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Contractors in Ontario, CA

22,763 Results within

Market Sector
Company Type
Business Classification
Trades and Services

AWT Maintenance

Anaheim, CA • Brea, CA • Costa Mesa, CA • Cypress, CA • Huntington Beach, CA • Irvine, CA • Los Angeles, CA • Ontario, CA • Orange, CA • Rancho Cucamonga, CA • Stanton, CA • Whittier, CA
General Contractor, Owner Real Estate Developer
Commercial, Infrastructure
Project Management and Coordination
AWT Maintenance is a General Contractor, Owner Real Estate Developer that serves the Cypress, CA area and specializes in Project Management and Coordination.
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SPJ Inc.

Arcadia, CA • Azusa, CA • Camarillo, CA • Fontana, CA • La Canada Flintridge, CA • Lancaster, CA • Los Angeles, CA • Monrovia, CA • Ontario, CA • Oxnard, CA • Palmdale, CA • Pasadena, CA • Santa Clarita, CA • Thousand Oaks, CA • Upland, CA • Ventura, CA
General Contractor
Commercial
Project Management and Coordination
SPJ Inc. is a General Contractor that serves the Lake Elsinore, CA area and specializes in Project Management and Coordination.
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NT Construction, Inc.

Anaheim, CA • Apple Valley, CA • Arcadia, CA • Azusa, CA • Brea, CA • Cathedral City, CA • Chino Hills, CA • Chino, CA • City of Industry, CA • Claremont, CA • Corona, CA • Costa Mesa, CA • Covina, CA • Downey, CA • Eastvale, CA • Escondido, CA • Fontana, CA • Fullerton, CA • Glendora, CA • Hacienda Heights, CA • Hesperia, CA • Huntington Beach, CA • Irvine, CA • La Habra, CA • La Mirada, CA • La Quinta, CA • La Verne, CA • Long Beach, CA • Los Angeles, CA • Monrovia, CA • Murrieta, CA • Newport Beach, CA • Norco, CA • Ontario, CA • Palm Springs, CA • Pasadena, CA • Pomona, CA • Rancho Cucamonga, CA • Riverside, CA • San Dimas, CA • Santa Ana, CA • Temecula, CA • Torrance, CA • Tustin, CA • Upland, CA • Victorville, CA • West Covina, CA • Yorba Linda, CA
General Contractor, Specialty Contractor
Commercial, Healthcare, Institutional, Residential
Architectural Design and Engineering, Architectural Wood Casework, Countertops, Custom Ornamental Simulated Woodwork, Display Cases, Finish Carpentry, Manufactured Casework, Ornamental Woodwork, Panel Doors, Plastic Composite Fabrications, Plastic Countertops, Stone Countertops, Wardrobe and Closet Specialties, Wood Countertops, Wood Doors and Frames, Wood Paneling, Wood Wall Panels
Custom Cabinet and Millwork. C6 and General B licenses. Plastic Laminate Casework and Countertops. Quartz and Granite Stone Countertops.
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BEAR FLAG CONSTRUCTION SERVICES

Alhambra, CA • Aliso Viejo, CA • Altadena, CA • Anaheim, CA • Arcadia, CA • Azusa, CA • Baldwin Park, CA • Banning, CA • Beaumont, CA • Bell Gardens, CA • Bellflower, CA • Bonsall, CA • Brea, CA • Buena Park, CA • Burbank, CA • Calimesa, CA • Camp Pendleton Marine Corps Base, CA • Carlsbad, CA • Carson, CA • Cerritos, CA • Chino Hills, CA • Chino, CA • Chula Vista, CA • City of Industry, CA • Claremont, CA • Commerce, CA • Compton, CA • Corona del Mar, CA • Corona, CA • Costa Mesa, CA • Covina, CA • Cypress, CA • Dana Point, CA • Downey, CA • Eastvale, CA • El Cajon, CA • El Monte, CA • El Segundo, CA • Encinitas, CA • Escondido, CA • Fallbrook, CA • Fontana, CA • Fountain Valley, CA • Fullerton, CA • Garden Grove, CA • Gardena, CA • Glendale, CA • Glendora, CA • Hacienda Heights, CA • Hawthorne, CA • Hemet, CA • Hermosa Beach, CA • Huntington Beach, CA • Huntington Park, CA • Inglewood, CA • Irvine, CA • Jurupa Valley, CA • La Canada Flintridge, CA • La Habra Heights, CA • La Habra, CA • La Mirada, CA • Laguna Beach, CA • Laguna Hills, CA • Laguna Niguel, CA • Laguna Woods, CA • Lake Elsinore, CA • Lake Forest, CA • Lakewood, CA • Lawndale, CA • Loma Linda, CA • Long Beach, CA • Los Alamitos, CA • Los Angeles, CA • Lynwood, CA • Malibu, CA • Manhattan Beach, CA • Midway City, CA • Mira Loma, CA • Mission Viejo, CA • Monrovia, CA • Montebello, CA • Monterey Park, CA • Moorpark, CA • Moreno Valley, CA • Murrieta, CA • Newport Beach, CA • Norco, CA • Norwalk, CA • Oceanside, CA • Ontario, CA • Orange, CA • Pala, CA • Palos Verdes Estates, CA • Palos Verdes Peninsula, CA • Paramount, CA • Pasadena, CA • Perris, CA • Pico Rivera, CA • Placentia, CA • Pomona, CA • Rancho Cucamonga, CA • Rancho Palos Verdes, CA • Rancho Santa Fe, CA • Rancho Santa Margarita, CA • Redlands, CA • Rialto, CA • Riverside, CA • Rowland Heights, CA • San Bernardino, CA • San Clemente, CA • San Diego, CA • San Jacinto, CA • San Juan Capistrano, CA • San Marcos, CA • San Marino, CA • Santa Ana, CA • Santa Clarita, CA • Santa Fe Springs, CA • Santa Monica, CA • Seal Beach, CA • Simi Valley, CA • South El Monte, CA • South Gate, CA • Stanton, CA • Sunset Beach, CA • Temecula, CA • Temple City, CA • Thousand Oaks, CA • Torrance, CA • Tustin, CA • Upland, CA • Vernon, CA • Vista, CA • Walnut, CA • West Covina, CA • Westminster, CA • Whittier, CA • Yorba Linda, CA
General Contractor, Specialty Contractor
Commercial
Concrete, Roofing
BEAR FLAG CONSTRUCTION SERVICES is a General Contractor, Specialty Contractor that serves the Huntington Beach, CA area and specializes in Concrete, Roofing.
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Commtrac Floors Inc.

Adel, GA • Alhambra, CA • Aliso Viejo, CA • Anaheim, CA • Arcadia, CA • Artesia, CA • Azusa, CA • Banning, CA • Beaumont, CA • Bonsall, CA • Brea, CA • Burbank, CA • Cabazon, CA • Calimesa, CA • Carlsbad, CA • Chino Hills, CA • Chino, CA • City of Industry, CA • Claremont, CA • Coachella, CA • Compton, CA • Corona, CA • Costa Mesa, CA • Covina, CA • Dana Point, CA • Desert Hot Springs, CA • Diamond Bar, CA • Downey, CA • Eastvale, CA • El Monte, CA • Fontana, CA • Fountain Valley, CA • Fullerton, CA • Garden Grove, CA • Gardena, CA • Glendale, CA • Hawthorne, CA • Hemet, CA • Hermosa Beach, CA • Hesperia, CA • Huntington Beach, CA • Indio, CA • Irvine, CA • Jurupa Valley, CA • La Quinta, CA • Ladera Ranch, CA • Laguna Beach, CA • Laguna Hills, CA • Laguna Niguel, CA • Laguna Woods, CA • Lake Elsinore, CA • Lake Forest, CA • Lakewood, CA • Lawndale, CA • Los Angeles, CA • Malibu, CA • Midway City, CA • Mission Viejo, CA • Moreno Valley, CA • Murrieta, CA • Newport Beach, CA • Ontario, CA • Orange, CA • Palm Desert, CA • Palm Springs, CA • Pasadena, CA • Perris, CA • Pomona, CA • Rancho Cucamonga, CA • Riverside, CA • San Bernardino, CA • San Clemente, CA • San Diego, CA • San Jacinto, CA • San Marcos, CA • Santa Ana, CA • Santa Clarita, CA • Seal Beach, CA • Sunset Beach, CA • Temecula, CA • Thousand Oaks, CA • Torrance, CA • Tustin, CA • Victorville, CA • Vista, CA • West Covina, CA • Westminster, CA • Whittier, CA • Wildomar, CA • Winchester, CA
Specialty Contractor
Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential
Countertops, Flooring, Tile
We Specialize in commercial flooring. We have a vast array of installations we can do. If it goes on the floor you can just about assure you we can do it. Need a contractor for a phased occupied office lift job or a senior living phased with moisture mitigation while in operation. We can handle it. Tile walls/floors, epoxy, sealed concrete, LVT, VCT, Carpet Tile, Broadloom Carpet, Sheet Vinyl, Rubber Flooring, Stair Treads, etc.
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Pacific Rim Contractors, Inc.

Alhambra, CA • Aliso Viejo, CA • Anaheim, CA • Arcadia, CA • Artesia, CA • Azusa, CA • Baldwin Park, CA • Bell Gardens, CA • Bell, CA • Bellflower, CA • Brea, CA • Buena Park, CA • Burbank, CA • Carson, CA • Cerritos, CA • Chino Hills, CA • Chino, CA • City of Industry, CA • Colton, CA • Compton, CA • Corona, CA • Costa Mesa, CA • Covina, CA • Culver City, CA • Cypress, CA • Dana Point, CA • Diamond Bar, CA • Downey, CA • Eastvale, CA • El Monte, CA • El Segundo, CA • Fontana, CA • Fountain Valley, CA • Fullerton, CA • Garden Grove, CA • Gardena, CA • Glendale, CA • Glendora, CA • Hacienda Heights, CA • Hawthorne, CA • Huntington Beach, CA • Huntington Park, CA • Inglewood, CA • Irvine, CA • Jurupa Valley, CA • La Habra Heights, CA • La Habra, CA • La Mirada, CA • La Verne, CA • Laguna Beach, CA • Laguna Hills, CA • Laguna Niguel, CA • Laguna Woods, CA • Lake Forest, CA • Lakewood, CA • Lawndale, CA • Loma Linda, CA • Long Beach, CA • Los Alamitos, CA • Los Angeles, CA • Lynwood, CA • Manhattan Beach, CA • Mission Viejo, CA • Monrovia, CA • Montclair, CA • Montebello, CA • Newport Beach, CA • Norco, CA • Norwalk, CA • Ontario, CA • Orange, CA • Palos Verdes Estates, CA • Palos Verdes Peninsula, CA • Paramount, CA • Pasadena, CA • Perris, CA • Pico Rivera, CA • Placentia, CA • Playa Vista, CA • Playa del Rey, CA • Pomona, CA • Rancho Cucamonga, CA • Rancho Palos Verdes, CA • Redlands, CA • Redondo Beach, CA • Rialto, CA • Riverside, CA • Rosemead, CA • San Bernardino, CA • San Clemente, CA • San Dimas, CA • San Juan Capistrano, CA • Santa Ana, CA • Santa Fe Springs, CA • Santa Monica, CA • Seal Beach, CA • South Gate, CA • South Pasadena, CA • Stanton, CA • Torrance, CA • Tustin, CA • Upland, CA • Walnut, CA • West Covina, CA • West Hollywood, CA • Westminster, CA • Whittier, CA • Yorba Linda, CA
Specialty Contractor
Commercial, Healthcare, Infrastructure, Institutional
Ceilings, Gypsum Board, Painting, Partitions
Pacific Rim is a self-performing specialty steel stud framing, drywall, paint, wallpaper, and fireproofing contractor. CA Contractors Lic. #604592 Class C9 C33. Carpenter Union Signatory Drywall. We specialize in commercial interior development and office tenant improvements. Pacific Rim has been in business for over 30 years, completed over 22,000 projects in metal stud framing, drywall, paint, wallpaper, and fireproofing subcontracts. Notable Projects: $800,000 EC&J LLP, Beverly Hills, CA | $180,000 Cal State Fullerton, Fullerton, CA | $600,000 Google IRV2 - Irvine, CA | $190,000 LA Dept. of Child Services - Commerce, CA | $500,000 Homeland Security - Santa Ana, CA | $160,000 County of Orange IT - Orange, CA | $400,000 OC Public Defender - Santa Ana, CA | $70,000 Austin Financial - Los Angeles, CA | $50,000 Sotheby International - Pasadena, CA | $60,000 Invitation Homes - Glendale, CA | $70,000 Genetic Foresight - San Bernardino, CA |
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SDH and Associates Inc

Anaheim, CA • Apple Valley, CA • Banning, CA • Beaumont, CA • Corona, CA • Fontana, CA • Hesperia, CA • Lake Elsinore, CA • Menifee, CA • Moreno Valley, CA • Murrieta, CA • Norco, CA • Ontario, CA • Perris, CA • Rancho Cucamonga, CA • Riverside, CA • San Bernardino, CA • Temecula, CA • Upland, CA • Victorville, CA
Engineer
Commercial, Industrial and Energy, Institutional, Residential
Design and Engineering
SDH and Associates Inc is a Engineer that serves the Temecula, CA area and specializes in Design and Engineering.
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TMH Roofing Inc.

Anaheim, CA • Chino Hills, CA • Chino, CA • Corona, CA • Eastvale, CA • Hemet, CA • Lake Elsinore, CA • Menifee, CA • Moreno Valley, CA • Murrieta, CA • Norco, CA • Nuevo, CA • Ontario, CA • Orange, CA • Perris, CA • Rancho Cucamonga, CA • Riverside, CA • Temecula, CA • Wildomar, CA
Specialty Contractor
Commercial, Residential
Roofing
TMH Roofing Inc. is a Specialty Contractor that serves the Menifee, CA area and specializes in Roofing.
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3 Kings Enterprises

Chino, CA • Diamond Bar, CA • Fort Worth, TX • Moreno Valley, CA • Ontario, CA • Pomona, CA • Redlands, CA • Rialto, CA • Riverside, CA • San Bernardino, CA • Yucaipa, CA
Specialty Contractor
Commercial, Healthcare, Industrial and Energy, Institutional, Residential
Roofing
Roofing and Sheet Metal Contractor

GreenBee

Anaheim, CA • Carlsbad, CA • Carson, CA • Chino Hills, CA • Corona, CA • Costa Mesa, CA • Eastvale, CA • Fontana, CA • Henderson, NV • Indio, CA • Irvine, CA • La Quinta, CA • Lake Elsinore, CA • Los Angeles, CA • Menifee, CA • Mission Viejo, CA • Moreno Valley, CA • Murrieta, CA • Newport Beach, CA • Ontario, CA • Palm Springs, CA • Perris, CA • Redondo Beach, CA • Riverside, CA • San Bernardino, CA • San Diego, CA • San Jacinto, CA • San Pedro, CA • Simi Valley, CA • Temecula, CA • Van Nuys, CA • Wildomar, CA • Yorba Linda, CA • Yucaipa, CA
Specialty Contractor
Residential
Concrete, Landscaping, Masonry
GreenBee is a Specialty Contractor that serves the Perris, CA area and specializes in Concrete, Landscaping, Masonry.

David Evans and Associates

Ontario, CA
Engineer
Commercial, Industrial and Energy, Residential
Design and Engineering
David Evans and Associates is a Engineer that serves the Ontario, CA area and specializes in Design and Engineering.

RS Construction & Development Inc

Chino, CA • Colton, CA • Corona, CA • Eastvale, CA • Fontana, CA • Highland, CA • Jurupa Valley, CA • Loma Linda, CA • Moreno Valley, CA • Ontario, CA • Rancho Cucamonga, CA • Redlands, CA • Rialto, CA • Riverside, CA • San Bernardino, CA • Upland, CA
General Contractor
Commercial, Institutional, Residential
Rough Carpentry
RS Construction & Development Inc is a General Contractor that serves the Ontario, CA area and specializes in Rough Carpentry.

BEI Construction

Anaheim, CA • Baldwin Park, CA • Chino, CA • Claremont, CA • Costa Mesa, CA • Covina, CA • El Monte, CA • Fontana, CA • Huntington Beach, CA • La Verne, CA • Los Angeles, CA • Montclair, CA • Newport Beach, CA • Ontario, CA • Rancho Cucamonga, CA • Rialto, CA • Riverside, CA • San Bernardino, CA • Upland, CA
Specialty Contractor
Commercial, Healthcare, Infrastructure
Data and Voice Communications
BEI Construction is a Specialty Contractor that serves the Chino, CA area and specializes in Data and Voice Communications.

Gibin Remodeling Inc.

Culver City, CA • Irvine, CA • Lake Arrowhead, CA • Long Beach, CA • Los Angeles, CA • Malibu, CA • Ontario, CA • Orange, CA • Pacific Palisades, CA • Santa Ana, CA • Santa Monica, CA • Topanga, CA • West Hollywood, CA
Specialty Contractor
Commercial, Industrial and Energy, Institutional, Residential
Closet Doors, Countertops, Doors and Frames, Finish Carpentry, Plastic Countertops, Plastic Doors and Frames, Plastic Wall Panels, Wood Doors and Frames, Wood Stairs and Railings
Gibin Remodeling Inc. is a Specialty Contractor that serves the Ontario, CA area and specializes in Closet Doors, Countertops, Doors and Frames, Finish Carpentry, Plastic Countertops, Plastic Doors and Frames, Plastic Wall Panels, Wood Doors and Frames, Wood Stairs and Railings.
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Harden Fire Protection, Inc.

Beaumont, CA • Bloomington, CA • Chino, CA • Claremont, CA • Colton, CA • Corona, CA • Covina, CA • Eastvale, CA • Fontana, CA • Jurupa Valley, CA • Menifee, CA • Moreno Valley, CA • Murrieta, CA • Norco, CA • Ontario, CA • Pomona, CA • Rancho Cucamonga, CA • Redlands, CA • Rialto, CA • Riverside, CA • San Bernardino, CA • Temecula, CA • Upland, CA
Specialty Contractor
Commercial, Residential
Fire Protection Specialties
Harden Fire Protection specializes in fire sprinkler system repairs, tenant improvements, inspections, and certifications in Southern California. We perform fire sprinkler system services for commercial buildings, residential homes, and apartment communities in the counties of Riverside, San Bernardino, Orange, San Diego, and Los Angeles. Harden Fire Protection is a fully licensed and insured C16 Fire Protection Company.
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Supreme Vision CCTV

Chino, CA • Corona, CA • Eastvale, CA • Fontana, CA • Jurupa Valley, CA • Norco, CA • Ontario, CA • Rancho Cucamonga, CA • Riverside, CA • San Bernardino, CA
Supplier
Commercial, Residential
Security Equipment
Supreme Vision CCTV is a professional security systems provider based in Corona, California, delivering reliable surveillance and protection solutions for residential and commercial properties. The company specializes in the design, installation, and maintenance of advanced CCTV and security camera systems tailored to each client’s needs. With a strong focus on system performance, image clarity, and long-term reliability, Supreme Vision CCTV helps clients enhance safety, monitor activity, and protect assets with confidence. Serving Corona as its primary location, the company also supports customers across Riverside, San Bernardino, Fontana, Rancho Cucamonga, Ontario, Chino, Norco, Eastvale, and Jurupa Valley with prompt, dependable service.
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brothers steel inc

Anaheim, CA • Burbank, CA • Camarillo, CA • Chino Hills, CA • Chino, CA • Irvine, CA • Lancaster, CA • Long Beach, CA • Los Angeles, CA • Ontario, CA • Orange, CA • Oxnard, CA • Palmdale, CA • Pasadena, CA • Riverside, CA • San Bernardino, CA • Santa Ana, CA • Santa Clarita, CA • Santa Monica, CA • Simi Valley, CA • Thousand Oaks, CA • Torrance, CA • Ventura, CA
Specialty Contractor
Commercial, Industrial and Energy, Infrastructure, Residential
Decking, Fabric Structures, Structural Steel, Structural Steel Framing Erection, Structural Steel Framing Fabrication
brothers steel inc is a Specialty Contractor that serves the LOS ANGELES, CA area and specializes in Decking, Fabric Structures, Structural Steel, Structural Steel Framing Erection, Structural Steel Framing Fabrication.

Park West Rescom Inc.

Anaheim, CA • Los Angeles, CA • Murrieta, CA • Ontario, CA • Rancho Cucamonga, CA
Specialty Contractor
Commercial, Healthcare, Industrial and Energy, Institutional, Residential
Landscaping
Park West Rescom Inc. is a Specialty Contractor that serves the Corona, CA area and specializes in Landscaping.
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Tranter, Inc.

DC, DC • Ontario, CA • Alabama • Arizona • Arkansas • California • Colorado • Connecticut • Georgia • Idaho • Illinois • Indiana • Iowa • Kansas • Kentucky • Louisiana • Maine • Maryland • Massachusetts • Michigan • Minnesota • Mississippi • Missouri • Montana • Nebraska • Nevada • New Hampshire • New Jersey • New Mexico • New York • North Carolina • North Dakota • Ohio • Oklahoma • Oregon • Pennsylvania • South Carolina • South Dakota • Tennessee • Texas • Utah • Virginia • Washington • West Virginia • Wisconsin • Wyoming
Supplier
Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential
Heating Ventilating and Air Conditioning HVAC
Tranter, Inc. is a Supplier that serves the Houston, TX area and specializes in Heating Ventilating and Air Conditioning HVAC.
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Elro Sign Company

DC, DC • Montréal, QC • Ontario, CA • Alabama • Arizona • Arkansas • California • Colorado • Connecticut • Delaware • Florida • Georgia • Idaho • Illinois • Indiana • Iowa • Kansas • Kentucky • Louisiana • Maine • Maryland • Massachusetts • Michigan • Minnesota • Mississippi • Missouri • Montana • Nebraska • Nevada • New Hampshire • New Jersey • New Mexico • New York • North Carolina • North Dakota • Ohio • Oklahoma • Oregon • Pennsylvania • Rhode Island • South Carolina • South Dakota • Tennessee • Texas • Utah • Vermont • Virginia • Washington • West Virginia • Wisconsin • Wyoming
Specialty Contractor
Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential
Architectural Design and Engineering, Art, Assessments and Studies, Cleaning and Maintenance Of Existing Period Conditions, Conservation Services, Design and Engineering, Design Coordination Services, Electrical, Entrances and Storefronts, Exterior Specialties, Flags and Banners, Integrated Automation Systems For Electrical, Interior Design, Interior Specialties, Metal Fabrications, Photography, Project Management, Project Management and Coordination, Signage, Surveying, Wall Coverings, Wall Finishes, Wall Panels, Wall Specialties
Built on a 75+ year legacy, Elro is a leading signage implementation company serving some of the world’s most recognized brands. Our expertise helps customers strengthen their brand and build deeper connections with their communities and clients.

Pattison Sign Group

Ontario, CA • Arizona • California • Delaware • Florida • Georgia • Iowa • Maine • Maryland • Massachusetts • Nevada • New Hampshire • New Jersey • New Mexico • New York • North Carolina • Oregon • Pennsylvania • South Carolina • Tennessee • Texas • Vermont • Virginia • Washington
Specialty Contractor
Commercial
Structural Steel
Pattison Sign Group is a Specialty Contractor that serves the Albuquerque, NM area and specializes in Structural Steel.

TQL

Ontario, CA • Alabama • Alberta • Arizona • Arkansas • British Columbia • California • Colorado • Connecticut • Florida • Georgia • Idaho • Illinois • Indiana • Iowa • Kansas • Kentucky • Louisiana • Maine • Manitoba • Maryland • Massachusetts • Michigan • Minnesota • Mississippi • Missouri • Montana • Nebraska • Nevada • New Brunswick • New Hampshire • New Jersey • New Mexico • New York • Newfoundland and Labrador • North Carolina • North Dakota • Nova Scotia • Ohio • Oklahoma • Ontario • Oregon • Pennsylvania • Prince Edward Island • Québec • Rhode Island • Saskatchewan • South Carolina • South Dakota • Tennessee • Texas • Utah • Vermont • Virginia • Washington • West Virginia • Wisconsin • Wyoming
Consultant, General Contractor
Commercial, Industrial and Energy, Infrastructure, Institutional, Residential
Concrete, Demolition, Design and Engineering, Earthwork, Electrical, Electronic Security, Fire Suppression, Heating Ventilating and Air Conditioning HVAC, Landscaping, Masonry, Plumbing, Project Management and Coordination, Roofing, Rough Carpentry, Structural Steel
TQL is a Consultant, General Contractor that serves the Orlando, FL area and specializes in Concrete, Demolition, Design and Engineering, Earthwork, Electrical, Electronic Security, Fire Suppression, Heating Ventilating and Air Conditioning HVAC, Landscaping, Masonry, Plumbing, Project Management and Coordination, Roofing, Rough Carpentry, Structural Steel.
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Titan Demolition Inc

Anaheim, CA • Calabasas, CA • Los Angeles, CA • Ontario, CA • San Bernardino, CA • Santa Ana, CA • Santa Monica, CA • Temecula, CA • Thousand Oaks, CA • California
Specialty Contractor
Commercial
Concrete, Cutting and Boring, Demolition, Landscaping, Painting, Shoring and Underpinning
Demolition Subcontractor we provide Interior soft demolition, hard demolition, Exterior demolition, Concrete Saw Cutting, Trenching for electrical and plumbing needs, Shoring, Concrete pour backs, Concrete curbs and Coring for plumbing and Electrical needs.
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CHA Companies

Kansas City, MO • Ontario, CA • Tennessee, IL • Alabama • Arizona • Arkansas • California • Colorado • Connecticut • Delaware • Florida • Georgia • Idaho • Illinois • Indiana • Iowa • Kansas • Kentucky • Louisiana • Maine • Massachusetts • Michigan • Minnesota • Mississippi • Missouri • Montana • Nebraska • Nevada • New Hampshire • New Jersey • New Mexico • New York • North Carolina • North Dakota • Ohio • Oklahoma • Oregon • Pennsylvania • South Carolina • South Dakota • Tennessee • Texas • Utah • Virginia • Washington • West Virginia • Wisconsin • Wyoming
Architect, Consultant, Engineer
Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential
Design and Engineering
CHA Companies is a Architect, Consultant, Engineer that serves the Albany, NY area and specializes in Design and Engineering.
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KPS Alarms, Inc

LA, CA • Ontario, CA • Sacramento, CA • West Sacramento, CA • California
Specialty Contractor
Residential
Communications, Electronic Security, Fire Suppression
KPS Alarms, Inc is a Specialty Contractor that serves the Ontario, CA area and specializes in Communications, Electronic Security, Fire Suppression.
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FAB Skylights

Alhambra, CA • Anaheim, CA • Chino Hills, CA • Chino, CA • Corona, CA • Coronado, CA • Culver City, CA • Inglewood, CA • Irvine, CA • Laguna Beach, CA • Lake Elsinore, CA • Long Beach, CA • Los Angeles, CA • Malibu, CA • Newport Beach, CA • Oceanside, CA • Ontario, CA • Orange, CA • Riverside, CA • San Diego, CA • San Juan Capistrano, CA • Santa Ana, CA • Santa Monica, CA • Temecula, CA • Tustin, CA • Villa Park, CA • Yorba Linda, CA • California
General Contractor, Specialty Contractor, Supplier
Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential
Roof Windows and Skylights, Unit Skylights
Serving Southern California, F A B CONSTRUCTION INC. specializes in Sky lighting and Full Spectrum Natural Daylighting Systems utilizing both traditional designs and cutting-edge advance glazing materials for new and retrofit construction. Velux and Wasco Certified Skylight installer. Kingspan and Bristolite skylight specialist. Sky-tech skylight specialist.
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J & E Martinez Inc.

Apple Valley, CA • Bakersfield, CA • Chino Hills, CA • Chula Vista, CA • Corona, CA • Del Mar, CA • Escondido, CA • Garden Grove, CA • Laguna Hills, CA • Lake Elsinore, CA • Los Angeles, CA • Murrieta, CA • Newport Beach, CA • Oceanside, CA • Ontario, CA • Orange, CA • Riverside, CA • San Diego, CA • Temecula, CA • Valley Center, CA • Victorville, CA • Wildomar, CA • California
Specialty Contractor
Commercial, Industrial and Energy, Infrastructure, Institutional, Residential
Concrete, Demolition, Earthwork, Transportation Construction and Equipment, Trucks
J&E Martinez Inc. is an SBE certified construction trucking company with 5+ years in the industry. Services including but not limited to: -Quick dispatching services for day & night jobs (Super10 dump trucks & end dump trucks - Low Side and High Side) -Transportation of aggregate & construction materials -Import/export

Volatus Aerospace USA Corp.

Baie-D'Urfé, QC • Brampton, ON • Burlington, ON • Burnaby, BC • Calgary, AB • Colorado Springs, CO • Columbus, OH • DC, DC • East Zorra-Tavistock, ON • Edmonton, AB • El Paso, TX • Erin, ON • Filadelfia, PA • Gatineau, QC • Greater Sudbury, ON • Guelph, ON • Halifax, NS • Hamilton, ON • Houston, TX • Indianapolis, IN • Kansas City, MO • Lake Zurich, IL • Laval, QC • London, ON • Los Angeles, CA • Lévis, QC • Maine, NY • Maine, WI • Maineville, OH • Mexico, NY • Miami, FL • Milton, ON • Minneapolis, MN • Minnedosa, MB • Minnetonka, MN • Mississippi Mills, ON • Montana Mines, WV • Montana, WI • Nebraska City, NE • Neva, WI • Nevada City, CA • Nevada, MO • New York, NY • Niagara Falls, ON • Niagara-on-the-Lake, ON • North Dansville, NY • North Dartmouth, MA • Oka, QC • Okanagan-Similkameen, BC • Oklahoma City, OK • Okotoks, AB • Ona, WV • Oneonta, NY • Ontario, CA • Ottawa, ON • Philadelphia, PA • Plympton-Wyoming, ON • Portland, OR • Queens, NY • Quesnel, BC • Quinte West, ON • Québec, QC • Red Deer, AB • Richmond Hill, ON • Richmond, BC • Saint John, NB • San Diego, CA • San Francisco, CA • San Jose, CA • South St Paul, MN • St Francois Xavier, MB • St John's, NL • St-François-Xavier-de-Brompton, QC • Strathcona County, AB • Surrey, BC • Tampa, FL • Toronto, ON • Union, NJ • University Park, PA • Uxbridge, ON • Vancouver, BC • Vaughan, ON • Ville de Québec, QC • Wilmot, ON • Winnipeg, MB • Wylie, TX • Wyoming, MI • Wytheville, VA • Xenia, IL • Xenia, OH • Yellowhead County, AB • York, PA • Zanesville, OH • Zorra, ON • Alabama • Alaska • Alberta • Arizona • Arkansas • British Columbia • California • Colorado • Connecticut • Delaware • Florida • Georgia • Hawaii • Idaho • Illinois • Indiana • Iowa • Kansas • Kentucky • Louisiana • Maine • Manitoba • Maryland • Massachusetts • Michigan • Minnesota • Mississippi • Missouri • Montana • Nebraska • Nevada • New Brunswick • New Hampshire • New Jersey • New Mexico • New York • Newfoundland and Labrador • North Carolina • North Dakota • Northwest Territories • Nova Scotia • Ohio • Oklahoma • Ontario • Oregon • Pennsylvania • Prince Edward Island • Québec • Rhode Island • Saskatchewan • South Carolina • South Dakota • Tennessee • Texas • Utah • Vermont • Virginia • Washington • West Virginia • Wisconsin • Wyoming
Supplier
Commercial, Industrial and Energy, Infrastructure
3d Capture Scanning, Video and Photography
Volatus Aerospace delivers reliable, professional drone solutions built for scale. We specialize in aerial inspections for critical infrastructure across sectors like utilities, energy, and oil & gas helping clients reduce risk, cut costs, and make faster, data-driven decisions. Whether it’s high-resolution inspections, thermal imaging, or aerial surveillance, our team leverages the latest in drone and aviation technology to get the job done right, safely, accurately, and on time. Volatus doesn't just fly drones and acquire data - we support the entire drone ecosystem. From equipment sales and technical support to best-in-class training programs, Volatus is a trusted partner for organizations looking to build or enhance their drone operations. With a growing footprint throughout North and South America, we bring global capability with local service. Volatus is ready to deliver the aerial intelligence your project needs—on time, on budget, and with precision. As your dedicated data partner, we deliver reliable, actionable insights captured through cutting-edge drone platforms, multi-sensor technology and AI-driven software, engineered to serve diverse industries and scalable to the required operations.

Telanet Canada

Ontario, CA • California • New York
Specialty Contractor
Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential
Data and Voice Communications
Telanet Canada is a Specialty Contractor that serves the Toronto, ON area and specializes in Data and Voice Communications.

LDKing, Inc.

Chino, CA • Eastvale, CA • Fontana, CA • Montclair, CA • Ontario, CA • Riverside, CA • San Bernardino, CA • Upland, CA • California
Engineer
Infrastructure
Civil Design and Engineering
LDKing, Inc. is a Engineer that serves the Ontario, CA area and specializes in Civil Design and Engineering.
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Enterprise Controls Group LLC

Ontario, CA • Alabama • Alaska • Arizona • Arkansas • California • Colorado • Delaware • Florida • Georgia • Hawaii • Idaho • Illinois • Indiana • Iowa • Kansas • Kentucky • Louisiana • Maine • Michigan • Minnesota • Mississippi • Missouri • Montana • Nebraska • Nevada • New Jersey • New Mexico • New York • North Carolina • North Dakota • Ohio • Oklahoma • Oregon • Pennsylvania • Rhode Island • South Carolina • South Dakota • Tennessee • Texas • Utah • Vermont • Virginia • Washington • West Virginia • Wisconsin • Wyoming
Engineer
Commercial, Healthcare, Industrial and Energy, Institutional
Heating Ventilating and Air Conditioning HVAC, Instrumentation and Control For Electrical Systems, Instrumentation and Control For HVAC, Integrated Automation Control Dampers, Integrated Automation Control Valves
Enterprise Controls Group LLC is a Engineer that serves the Lebanon, TN area and specializes in Heating Ventilating and Air Conditioning HVAC, Instrumentation and Control For Electrical Systems, Instrumentation and Control For HVAC, Integrated Automation Control Dampers, Integrated Automation Control Valves.
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Enterprise Electric Datacom

Beaumont, CA • Colton, CA • Corona, CA • Escondido, CA • Fontana, CA • Lake Elsinore, CA • Menifee, CA • Murrieta, CA • Oceanside, CA • Ontario, CA • Orange, CA • Palm Desert, CA • Palm Springs, CA • Perris, CA • Poway, CA • Rancho Cucamonga, CA • Riverside, CA • San Bernardino, CA • San Diego, CA • San Jacinto, CA • San Marcos, CA • Temecula, CA • Winchester, CA • California
Consultant, Specialty Contractor
Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional
Design and Engineering, Electrical, Electrical Design and Engineering, Electrical General
Enterprise Electric Datacom is a Consultant, Specialty Contractor that serves the Temecula, CA area and specializes in Design and Engineering, Electrical, Electrical Design and Engineering, Electrical General.

KARNAK

Calgary, AB • DC, DC • NY, NY • Ontario, CA • Québec, QC • Toronto, ON • Alabama • Alberta • Arizona • Arkansas • British Columbia • California • Colorado • Connecticut • Delaware • Florida • Georgia • Hawaii • Idaho • Illinois • Indiana • Iowa • Kansas • Kentucky • Louisiana • Maine • Maryland • Massachusetts • Michigan • Minnesota • Mississippi • Missouri • Montana • Nebraska • Nevada • New Brunswick • New Hampshire • New Mexico • New York • North Carolina • North Dakota • Ohio • Oklahoma • Ontario • Oregon • Pennsylvania • Québec • South Carolina • South Dakota • Tennessee • Texas • Utah • Virginia • Washington • West Virginia • Wisconsin • Wyoming
Supplier
Commercial
Air Barriers, Dampproofing, Fluid Applied Waterproofing, Roof Accessories, Roof Specialties, Roofing, Special Coatings, Water Repellents, Waterproofing, Weather Barriers
KARNAK is a Supplier that serves the Clark, NJ area and specializes in Air Barriers, Dampproofing, Fluid Applied Waterproofing, Roof Accessories, Roof Specialties, Roofing, Special Coatings, Water Repellents, Waterproofing, Weather Barriers.

Smart Monkeys, Inc.

Ontario, CA • Washington, DC • California • Florida • Georgia • Massachusetts • Minnesota • Missouri • Nevada • New York • Washington
Architect, Consultant, Engineer, General Contractor, Owner Real Estate Developer, Specialty Contractor, Supplier
Commercial, Infrastructure, Institutional
Design and Engineering
Smart Monkeys, Inc. is a Architect, Consultant, Engineer, General Contractor, Owner Real Estate Developer, Specialty Contractor, Supplier that serves the Miami, FL area and specializes in Design and Engineering.

Stilmas America Inc.

Alberta, AB • Manitoba, MB • Ontario, CA • Québec, QC • British Columbia • California • Georgia • Illinois • Maryland • Massachusetts • Michigan • New Jersey • New York • North Carolina • Pennsylvania • South Carolina • Wisconsin
Consultant, Engineer, Specialty Contractor, Supplier
Commercial, Healthcare, Industrial and Energy, Institutional
Technology Design and Engineering, Water and Wastewater Equipment
Stilmas America Inc. is a Consultant, Engineer, Specialty Contractor, Supplier that serves the Burlington, ON area and specializes in Technology Design and Engineering, Water and Wastewater Equipment.
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Glass Fabrication Inc

Aliso Viejo, CA • Anaheim, CA • Arcadia, CA • Banning, CA • Beaumont, CA • Bloomington, CA • Brea, CA • Cabazon, CA • Carlsbad, CA • Cerritos, CA • Chino Hills, CA • Chino, CA • Colton, CA • Corona, CA • Costa Mesa, CA • Covina, CA • Downey, CA • Eastvale, CA • Fallbrook, CA • Fontana, CA • Fountain Valley, CA • Fullerton, CA • Garden Grove, CA • Homeland, CA • Huntington Beach, CA • Irvine, CA • Jurupa Valley, CA • La Puente, CA • Laguna Beach, CA • Laguna Hills, CA • Laguna Niguel, CA • Lake Elsinore, CA • Lake Forest, CA • Lakewood, CA • Los Angeles, CA • Menifee, CA • Mission Viejo, CA • Moreno Valley, CA • Murrieta, CA • Newport Beach, CA • Norco, CA • Norwalk, CA • Nuevo, CA • Ontario, CA • Orange, CA • Perris, CA • Pomona, CA • Rancho Cucamonga, CA • Redlands, CA • Rialto, CA • Riverside, CA • San Bernardino, CA • San Diego, CA • San Jacinto, CA • Santa Ana, CA • Temecula, CA • Tustin, CA • West Covina, CA • White Water, CA • Whittier, CA • Wildomar, CA • Winchester, CA • Yucaipa, CA • California
Specialty Contractor, Supplier
Commercial, Healthcare, Infrastructure, Institutional, Residential
Acoustic Treatment, All Glass Entrances and Storefronts, Aluminum Framed Entrances and Storefronts, Automatic Entrances and Storefronts, Glass and Glazing, Glass Countertops, Glass Glazing, Metal Windows, Sliding Glass Doors, Structural Glass Curtain Walls, Window Wall Assemblies, Windows
Glass Fabrication Is a licensed glass and glazing contractor, wholesale supplier, and solutions company located in the Greater Southern California area.
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H2A Corporation

Ontario, CA • Alabama • Arizona • California • Colorado • Florida • Georgia • Hawaii • Indiana • Kentucky • Louisiana • Massachusetts • Michigan • Mississippi • New York • North Carolina • Ohio • Oklahoma • Pennsylvania • South Carolina • Tennessee • Texas • Utah • Virginia • Washington • West Virginia
Architect
Commercial
Design and Engineering, Project Management and Coordination
H2A Corporation is a Architect that serves the Alpharetta, GA area and specializes in Design and Engineering, Project Management and Coordination.
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Durolast Roofing

Ontario, CA • Alabama • Arizona • Arkansas • California • Colorado • Florida • Georgia • Idaho • Illinois • Indiana • Kentucky • Louisiana • Massachusetts • Michigan • Minnesota • Mississippi • Missouri • Nevada • New Mexico • New York • North Carolina • Ohio • Oklahoma • Oregon • Pennsylvania • South Carolina • Tennessee • Texas • Utah • Virginia • Washington • West Virginia • Wyoming
General Contractor
Commercial
Roofing
Durolast Roofing is a General Contractor that serves the Saginaw, MI area and specializes in Roofing.
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STACK Infrastructure

Ontario, CA • Arizona • California • Colorado • Georgia • Illinois • Oregon • Texas • Virginia
Owner Real Estate Developer
Commercial, Industrial and Energy
Communications, Project Management and Coordination
STACK Infrastructure is a Owner Real Estate Developer that serves the Denver, CO area and specializes in Communications, Project Management and Coordination.
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Mercury Construction

Agoura Hills, CA • Alhambra, CA • Anaheim, CA • Arcadia, CA • Azusa, CA • Baldwin Park, CA • Bell Gardens, CA • Bellflower, CA • Brea, CA • Buena Park, CA • Burbank, CA • Calabasas, CA • Carson, CA • Cerritos, CA • Chino, CA • City of Industry, CA • Claremont, CA • Commerce, CA • Covina, CA • Cypress, CA • Downey, CA • El Monte, CA • El Segundo, CA • Fontana, CA • Fountain Valley, CA • Fullerton, CA • Garden Grove, CA • Gardena, CA • Glendale, CA • Glendora, CA • Hawthorne, CA • Hermosa Beach, CA • Huntington Beach, CA • Huntington Park, CA • Inglewood, CA • Irvine, CA • Irwindale, CA • La Canada Flintridge, CA • La Mirada, CA • Lakewood, CA • Lancaster, CA • Lawndale, CA • Long Beach, CA • Los Alamitos, CA • Los Angeles, CA • Lynwood, CA • Manhattan Beach, CA • Maywood, CA • Monrovia, CA • Montclair, CA • Montebello, CA • Norwalk, CA • Ontario, CA • Orange, CA • Oxnard, CA • Palmdale, CA • Paramount, CA • Pasadena, CA • Pico Rivera, CA • Pomona, CA • Rancho Cucamonga, CA • Redlands, CA • Redondo Beach, CA • Riverside, CA • Rosemead, CA • San Bernardino, CA • San Marino, CA • Santa Ana, CA • Santa Barbara, CA • Santa Clarita, CA • Santa Fe Springs, CA • Santa Monica, CA • Sierra Madre, CA • Simi Valley, CA • South El Monte, CA • South Gate, CA • South Pasadena, CA • Temple City, CA • Thousand Oaks, CA • Torrance, CA • Upland, CA • Ventura, CA • West Covina, CA • Westlake Village, CA • Whittier, CA • California
General Contractor
Commercial, Healthcare, Residential
General Construction Management
Mercury Construction is a General Contractor that serves the Sylmar, CA area and specializes in General Construction Management.

Browse Contractors in Ontario, California by Trade

Design and Engineering

Project Management

Demolition

Earthwork

Landscaping

Concrete

Masonry

Structural Steel

Electrical

Flooring

Frequently Asked Questions

How many contractors in Ontario, CA are on the Procore Construction Network?

There are currently 22,763 contractors in Ontario, CA on the Procore Construction Network.

How can I find and connect with contractors in Ontario, CA?

The Procore Construction Network allows you to search for contractors in Ontario, CA that meet your business needs. Most companies provide a phone number or website on their business page so you can easily connect with them.

How can contractors in Ontario, CA join the Procore Construction Network?

The Procore Construction Network is free and open to any businesses in the construction industry. Click Sign Up at the top of this page to submit your information and create your business page.

How do I know what areas contractors in Ontario, CA cover?

Most businesses listed on the Procore Construction Network have updated their service area. Select a business to view a service area map and find what other areas they work in.

How do I invite contractors in Ontario, CA on the Procore Construction Network to bid on projects?

The Procore platform offers a Bidding tool to Procore customers. If your company uses our Bidding solution, you can search and invite businesses on the Procore Construction Network directly from the Bidding tool. Not yet using Procore? Request a demo.

How many contractors in Ontario, CA are on the Procore Construction Network?

There are currently 22,763 contractors in Ontario, CA on the Procore Construction Network.

How can I find and connect with contractors in Ontario, CA?

The Procore Construction Network allows you to search for contractors in Ontario, CA that meet your business needs. Most companies provide a phone number or website on their business page so you can easily connect with them.

How can contractors in Ontario, CA join the Procore Construction Network?

The Procore Construction Network is free and open to any businesses in the construction industry. Click Sign Up at the top of this page to submit your information and create your business page.

How do I know what areas contractors in Ontario, CA cover?

Most businesses listed on the Procore Construction Network have updated their service area. Select a business to view a service area map and find what other areas they work in.

How do I invite contractors in Ontario, CA on the Procore Construction Network to bid on projects?

The Procore platform offers a Bidding tool to Procore customers. If your company uses our Bidding solution, you can search and invite businesses on the Procore Construction Network directly from the Bidding tool. Not yet using Procore? Request a demo.