Design and Engineering Contractors in California

7,942 Results

Market Sector
Company Type
Business Classification
Trades and Services (10)
Architectural Design and Engineering
Civil Design and Engineering
Design and Engineering
Electrical Design and Engineering
Fire Protection Engineering
Interior Design
Landscape Design and Engineering
Mechanical Design and Engineering
Structural Design and Engineering
Technology Design and Engineering
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Fire Codes Compliance, LLC

New York, NY • Alabama • Arizona • Arkansas • California • Colorado • Florida • Georgia • Illinois • Indiana • Iowa • Kansas • Kentucky • Louisiana • Maryland • Michigan • Minnesota • Mississippi • Missouri • Montana • Nebraska • Nevada • New Mexico • North Carolina • North Dakota • Ohio • Oklahoma • Oregon • Pennsylvania • South Carolina • South Dakota • Tennessee • Texas • Utah • Virginia • Washington • West Virginia
Consultant, Specialty Contractor, Supplier
Commercial, Healthcare, Institutional, Residential
Applied Fire Protection, Fire and Smoke Protection, Fire Detection and Alarm, Fire Extinguishing Systems, Fire Protection Engineering, Fire Protection Specialties, Fire Pumps, Fire Suppression, Fire Suppression Systems Insulation, Fire Suppression Water Storage, Firestopping, Gas Detection and Alarm, Instrumentation and Control For Fire Suppression System, Integrated Automation Battery Monitors, Integrated Automation Control and Monitoring Network, Integrated Automation Control Dampers, Integrated Automation Control Valves, Integrated Automation Current Sensors, Integrated Automation Lighting Relays, Integrated Automation Systems For Fire Suppression, Smoke Containment Barriers, Smoke Seals, Temporary Fire Protection, Water Based Fire Suppression Systems, Water Detection and Alarm
Fire Codes Compliance, LLC is a Consultant, Specialty Contractor, Supplier that serves the Fort Mill, SC area and specializes in Applied Fire Protection, Fire and Smoke Protection, Fire Detection and Alarm, Fire Extinguishing Systems, Fire Protection Engineering, Fire Protection Specialties, Fire Pumps, Fire Suppression, Fire Suppression Systems Insulation, Fire Suppression Water Storage, Firestopping, Gas Detection and Alarm, Instrumentation and Control For Fire Suppression System, Integrated Automation Battery Monitors, Integrated Automation Control and Monitoring Network, Integrated Automation Control Dampers, Integrated Automation Control Valves, Integrated Automation Current Sensors, Integrated Automation Lighting Relays, Integrated Automation Systems For Fire Suppression, Smoke Containment Barriers, Smoke Seals, Temporary Fire Protection, Water Based Fire Suppression Systems, Water Detection and Alarm.
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Lynn Energy Services

Calgary, AB • Alabama • Alaska • 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
Consultant, Engineer, Specialty Contractor, Supplier
Industrial and Energy
Commissioning, Communications, Electrical, Electrical Design and Engineering, Electrical Power Generation, Fabricated Engineered Structures, Fire Detection and Alarm, Gas Detection and Alarm, General Commissioning Requirements, Instrumentation and Control For Electrical Systems, Instrumentation and Control For Fire Suppression System, Integrated Automation Battery Monitors, Integrated Automation Software, Integrated Automation Systems For Electrical, Integrated Automation Systems For Electronic Safety, Integrated Automation Systems For Facility Equipment, Integrated Automation Ups Monitors, Project Management and Coordination, Site Controls
Lynn Energy Services Group, based in Humble, Texas, is a specialized energy services company providing a range of solutions for the oil, gas, and renewable energy industries. The company focuses on project execution, equipment solutions, and field services, supporting energy infrastructure across multiple sectors. Key Services & Capabilities: Midstream & Upstream Services – Installation, maintenance, and operations support for pipelines, processing facilities, and production assets. Engineering & Construction – Providing turnkey solutions for energy infrastructure projects, including design, fabrication, and construction. Compression & Process Equipment – Offering equipment solutions such as gas compressors, skids, and related process systems. Renewable Energy & RNG Projects – Supporting sustainable energy projects, including renewable natural gas (RNG) and hydrogen infrastructure. Field Services & Maintenance – Skilled technicians for equipment commissioning, troubleshooting, and routine maintenance. Lynn Energy Services is committed to safety, reliability, and innovation, ensuring clients receive high-quality services that improve efficiency and maximize asset performance. The company serves a wide range of clients, from major operators to independent producers, helping them achieve their operational goals in an evolving energy landscape.
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Siemens Energy, Inc

Alabama • Alaska • Arizona • Arkansas • California • Colorado • Connecticut • Delaware • District of Columbia • Florida • Georgia • Hawaii • 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
Architect, Engineer, General Contractor, Specialty Contractor
Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional
Bim and Model Making Services, Design and Engineering, Electrical, General Construction Management, Project Management and Coordination
At Siemens Energy, our mission is to empower our customers to meet the growing global demand for energy while transitioning to a more sustainable world. How? Our innovative technologies, extensive energy experience and an ambitious strategy to decarbonize global energy systems are all central to our efforts to be the partner and driver of the energy transition. And our top focus areas in ESG, innovation and transformation share how we're making the future of tomorrow different today, for both our partners - and our people.
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SEL Engineering Services, Inc.

Alabama • Alaska • Arizona • Arkansas • California • Colorado • Connecticut • Delaware • District of Columbia • Florida • Georgia • Hawaii • 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, Industrial and Energy, Infrastructure, Institutional
Communications, Design and Engineering, Electrical, Electronic Life Safety, Electronic Security, Project Management and Coordination
SEL specializes in creating digital products and systems that protect, control, and automate power systems around the world. This technology prevents blackouts and improves power system reliability and safety at a reduced cost. A 100 percent employee-owned company headquartered in Pullman, Washington, SEL has manufactured products in the United States since 1984 and serves customers worldwide. As part of our commitment to designing and manufacturing reliable, high-quality products, we research, design, build, test, distribute, teach, and support each of our technologies at SEL facilities. Assembled SEL products travel directly from our hands to where they need to be, so we feel confident that you and your customers can rely on them to keep critical systems fully operational.

Certerra Northwest LLC

Arizona • California • Nevada • Oregon • Texas • Washington
Consultant, Engineer, Specialty Contractor
Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential
Abatement and Remediation, Airfield Construction, Asbestos Abatement and Remediation, Bridges, Cast In Place Concrete, Cast In Place Concrete Retaining Walls, Civil Design and Engineering, Commissioning, Concrete, Concrete Paving, Contaminated Soils Abatement and Remediation, Design and Engineering, Environmental Assessment, Existing Conditions Assessment, Existing Material Assessment, Firestopping, Grouting, Marine Construction and Equipment, Masonry, Paving Specialties, Railway Construction, Reinforced Soil Retaining Walls, Reinforcement Bars, Retaining Walls, Roadway Construction, Shop Fabricated Structural Wood, Stone Retaining Walls, Structural Steel, Underground Storage Tank Removal, Unit Masonry Retaining Walls, Wood Framing
Certerra Northwest LLC is a Consultant, Engineer, Specialty Contractor that serves the Bellingham, WA area and specializes in Abatement and Remediation, Airfield Construction, Asbestos Abatement and Remediation, Bridges, Cast In Place Concrete, Cast In Place Concrete Retaining Walls, Civil Design and Engineering, Commissioning, Concrete, Concrete Paving, Contaminated Soils Abatement and Remediation, Design and Engineering, Environmental Assessment, Existing Conditions Assessment, Existing Material Assessment, Firestopping, Grouting, Marine Construction and Equipment, Masonry, Paving Specialties, Railway Construction, Reinforced Soil Retaining Walls, Reinforcement Bars, Retaining Walls, Roadway Construction, Shop Fabricated Structural Wood, Stone Retaining Walls, Structural Steel, Underground Storage Tank Removal, Unit Masonry Retaining Walls, Wood Framing.
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BCES HUB

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
Architect, Consultant, Engineer, General Contractor, Specialty Contractor, Supplier
Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential
Concrete, Conservation Treatment For Period Openings, Construction Scheduling, Demolition, Electrical, Excavation and Fill, Exterior Insulation and Finish Systems Eifs, Finish Carpentry, Fire and Smoke Protection, Fire Detection and Alarm, Fire Protection Specialties, Fire Pumps, Fire Suppression, Flooring, Heating Ventilating and Air Conditioning HVAC, Masonry, Mechanical Design and Engineering, Metals, Painting, Painting and Coatings, Plumbing, Preconstruction Bidding, Roof and Deck Insulation, Roofing, Rough Carpentry
We serve as a dedicated estimating support partner for general contractors and trade specialists, helping teams bid more projects without increasing internal workload. Our team provides accurate material quantity takeoffs and detailed cost estimates for residential, commercial, public projects to support competitive and well-structured bids. We support projects across nationwide (all over the USA), providing: Clear, color-coded PDF mark-ups, Detailed quantity takeoffs, Labor and material costing, Overhead, profit, and total bid summaries, Typical turnaround of 24–48 hours for small projects, Cost-effective pricing aligned with your project scope If you share the drawings and scope of work, we’ll review them and send a quick quote for your approval before proceeding. Regards, BCES HUB info@bceshub.com 929-447-2296 469-445-4668 213-322-1660
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Trachte Building Systems, INC.

Alabama • Alaska • Arizona • Arkansas • 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 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
Engineer, General Contractor, Supplier
Commercial, Industrial and Energy, Infrastructure
Design and Engineering, Metal Doors and Frames, Roof Panels, Structural Steel, Structural Steel Framing Erection, Structural Steel Framing Fabrication
Trachte (pronounced Trock-tee) is a company that designs, manufactures, and erects a full line of durable, pre-engineered and customized steel self-storage systems. Headquartered in Sun Prairie, Wisconsin, we are one of the largest manufacturers of steel self-storage systems in the industry. With over 120 years of experience, we’ve mastered the art of developing smart building products designed, engineered, and customized to meet your needs. We are also committed to delivering services with your needs in mind. We’ll be there with expert advice, industry know-how, and educational resources to guide you through the entire development process.

Top Cities in California

Frequently Asked Questions

How many Design and Engineering contractors in California are on the Procore Construction Network?

There are currently 7,942 Design and Engineering contractors in California on the Procore Construction Network.

How can I find and connect with Design and Engineering contractors in California?

The Procore Construction Network allows you to search for Design and Engineering contractors in California 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 Design and Engineering contractors in California 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 Design and Engineering contractors in California 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 Design and Engineering contractors in California 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 Design and Engineering contractors in California are on the Procore Construction Network?

There are currently 7,942 Design and Engineering contractors in California on the Procore Construction Network.

How can I find and connect with Design and Engineering contractors in California?

The Procore Construction Network allows you to search for Design and Engineering contractors in California 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 Design and Engineering contractors in California 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 Design and Engineering contractors in California 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 Design and Engineering contractors in California 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.