Design and Engineering Contractors in California

7,767 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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consultant

Kyle, TX • New York, NY • Alabama • Arizona • Arkansas • California • Delaware • Florida • Georgia • Idaho • Illinois • Indiana • Iowa • Kentucky • Louisiana • Maine • Michigan • Mississippi • Missouri • Montana • Nebraska • Nevada • New Hampshire • New Jersey • New Mexico • New York • Newfoundland and Labrador • North Carolina • Nova Scotia • Ohio • Oklahoma • Oregon • Pennsylvania • South Carolina • Tennessee • Texas • Utah • Virginia • Washington • West Virginia • Wisconsin • Wyoming
Architect, Consultant, Engineer, General Contractor, Specialty Contractor
Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential
3d Capture Scanning, Architectural Design and Engineering, Architectural Wood Casework, Brick Tiling, Bridge Machinery, Bridge Specialties, Bridges, Building Information Modeling Bim, Building Modules and Components, Canvas Roofing, Civil Design and Engineering, Cleaning and Maintenance Of Existing Period Conditions, Cleaning Services, Coastal Construction, Coiling Doors and Grilles, Composite Wall Panels, Composite Windows, Concrete, Concrete Accessories, Concrete Countertops, Concrete Finishing, Concrete Paving, Concrete Tiling, Conservation Treatment For Period Roofing, Construction Scheduling, Design and Engineering, Design Coordination Services, Door and Window Hardware, Electrical, Electrical Design and Engineering, Electrical General, Fabric Structures, Fabricated Bridges, Fabricated Rooms, Flooring, General Construction Management, Glass and Glazing, Interior Design, Landscape Design and Engineering, Landscaping, Metal Fabrications, Metal Tiling, Metal Wall Panels, Metal Windows, Metals, Painting, Painting and Coatings, Project Management and Coordination, Retaining Walls, Roof and Deck Insulation, Roof Panels, Roofing, Sheet Metal Flashing and Trim, Shop Fabricated Structural Wood, Structural Glass Curtain Walls, Structural Steel, Structural Steel Framing Erection, Structural Steel Framing Fabrication, Swimming Pools, Temporary Fencing, Towers, Wall Panels, Wire Fences and Gates, Wood Doors and Frames, Wood Fences and Gates, Wood Flooring, Wood Framing
3d Capture Scanning, Architectural Design and Engineering, Architectural Wood Casework, Brick Tiling, Bridge Machinery, Bridge Specialties, Bridges,
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SE Builders

California
General Contractor
Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential
Demolition, Electrical, Flooring, Mechanical Design and Engineering, Painting and Coatings, Plumbing, Roofing, Structural Steel Framing Erection, Structural Steel Framing Fabrication, Wood Framing
Building Trust. Building Facilities. Building Legacies. ​ At SE Builders, we specialize in more than construction - we specialize in creating spaces where healthcare, veterinary, and dental professionals can thrive. With over a decade of experience across Southern California, our team has successfully delivered veterinary clinics, dental office build-outs, medical facilities, industrial spaces, and commercial projects of every size. Each project reflects our commitment to precision, compliance, and patient-centered design. Healthcare clients choose us because we understand the stakes. A veterinary hospital or dental office is not just a building - it is a place of healing, safety, and trust. That is why we prioritize code compliance, infection-control standards, workflow efficiency, and patient comfort at every stage of construction. At SE Builders, we believe great buildings are built on great relationships. We earn that trust through open communication, transparent pricing, and on-time delivery. Our clients know we will go above and beyond without cutting corner, compromising quality, or inflating costs. When you partner with SE Builders, you gain more than a general contractor. You gain a dedicated healthcare construction partner who respects your investment and your mission. We deliver spaces that stand the test of time - environments where staff can work efficiently, patients feel at ease, and your practice can grow.
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George T. Hall Company

Arizona • California • Idaho • Nevada • Utah
Engineer, Specialty Contractor, Supplier
Commercial, Industrial and Energy, Infrastructure, Institutional
Control Equipment For Dams, Controlled Environment Rooms, Data and Voice Communications, Design and Engineering, Detention Security Systems, Distributed Communications and Monitoring Systems, Electrical Design and Engineering, Electronic Security, Gas Detection and Alarm, Instrumentation and Control For Electrical Systems, Instrumentation and Control For Process Systems, Integrated Automation Control and Monitoring Network, Integrated Automation Current Sensors, Integrated Automation Kw Transducers, Integrated Automation Lighting Relays, Integrated Automation Local Control Units, Integrated Automation Network Devices, Integrated Automation Network Gateways, Integrated Automation Power Meters, Integrated Automation Sensors and Transmitters, Integrated Automation Software, Integrated Automation Systems For Communications, Integrated Automation Systems For Conveying Equipment, Integrated Automation Systems For Electrical, Integrated Automation Systems For Electronic Safety, Integrated Automation Systems For Electronic Security, Integrated Automation Systems For Facility Equipment, Integrated Automation Systems For Network Equipment, Integrated Automation Ups Monitors, Special Instrumentation, Technology Design and Engineering
As an ISO9001:2015 validated manufacturer and CSIA certified system integrator you can rely on us for quality project execution. GTH is a trusted SI and engineering partner accross many different industry applications. Our in-house capabilities include PLC, SCADA, instrumentation and motor control system design, along with custom UL control panel fabrication. With our team of Field Engineers we can also support a wide-range of onsite services including loop testing, instrument calibration, programming, calibration, system troubleshooting, and modernization. Whatever your needs, our team is here to help!
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Accurate Estimates, Building Accuracy

DC, DC • New York, NY • Alabama • Alaska • Arizona • 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 Jersey • New Mexico • North Carolina • North Dakota • Ohio • Oklahoma • Oregon • Pennsylvania • South Carolina • South Dakota • Tennessee • Texas • Utah • Vermont • Virginia • Washington • West Virginia • Wisconsin • Wyoming
Consultant
Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential
Concrete, Concrete Paving, Demolition, Electrical, Flooring, Grading, Masonry, Mechanical Design and Engineering, Membrane Roofing, Plumbing, Structural Steel Framing Erection
At Remarkable Estimating, we specialize in delivering accurate and reliable construction estimates for contractors, builders, and developers across the USA. Our mission is simple: help contractors win more bids, reduce costs, and save time. We achieve this by combining detailed quantity takeoffs, cost analysis, and transparent reporting. Whether you need residential, commercial, or industrial estimating, we’re your trusted partner. Why Choose Us? ✔ Accurate & Detailed Estimates ✔ Fast Turnaround Time ✔ Affordable & Transparent Pricing
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Telenet VoIP Inc. - HQ

Alhambra, CA • Anaheim, CA • Arcadia, CA • Artesia, CA • Azusa, CA • Bell Gardens, CA • Bell, CA • Bellflower, CA • Brea, CA • Buena Park, CA • Burbank, CA • Calabasas, CA • Camarillo, CA • Carson, CA • Cerritos, CA • City of Industry, CA • Compton, CA • Covina, CA • Cudahy, CA • Cypress, CA • Downey, CA • El Monte, CA • El Segundo, CA • Fullerton, CA • Garden Grove, CA • Gardena, CA • Glendale, CA • Hacienda Heights, CA • Harbor City, CA • Hawthorne, CA • Hermosa Beach, CA • Huntington Park, CA • Inglewood, CA • Irvine, CA • La Habra, CA • La Mirada, CA • Lakewood, CA • Lawndale, CA • Lomita, CA • Long Beach, CA • Los Alamitos, CA • Los Angeles, CA • Lynwood, CA • Malibu, CA • Manhattan Beach, CA • Maywood, CA • Montebello, CA • Monterey Park, CA • Moorpark, CA • Norwalk, CA • Oxnard, CA • Paramount, CA • Pasadena, CA • Pico Rivera, CA • Rancho Palos Verdes, CA • Redondo Beach, CA • Riverside, CA • Rolling Hills, CA • Rosemead, CA • Santa Ana, CA • Santa Clarita, CA • Santa Fe Springs, CA • Simi Valley, CA • South Gate, CA • Thousand Oaks, CA • Torrance, CA • Vernon, CA • West Covina, CA • Whittier, CA
Specialty Contractor
Commercial, Healthcare, Industrial and Energy, Institutional, Residential
Access Control, Applied Fire Protection, Audio Video Communications, Communications, Data and Voice Communications, Electronic Life Safety, Electronic Security, Fire Detection and Alarm, Mass Notification, Security Detection Alarm and Monitoring, Technology Design and Engineering, Temporary Telecommunications
For over forty years, Telenet VoIP Inc. has demonstrated our ability to execute a wide range of technology projects: small, large, complicated, fast-track, multi-system, and design-build. We are system integrators at heart and we bring that passion to work, every single day. The Telenet VoIP Inc. staff is comprised of professionals including Project Managers, Systems and Network Engineers, Sales, Business, and Service professionals. Our team members are highly knowledgeable industry experts, who have earned many professional and industrial certifications. Our Union workforce varies in size depending on the amount of work at hand, which includes both Communication and Sound Installers as well as Inside Wiremen. Telenet is a signatory to labor agreements in Los Angeles, Orange, and Riverside/San Bernardino, Ventura/Oxnard counties. Telenet VoIP Inc. has over eighteen years of Municipal and Educational sector construction experience. During that time, we have deployed hundreds of systems including Fire Life Safety, Security, Structured cabling, Fiber Optics, Access Control, DAS, and Video Surveillance Systems.
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Steady Solutions

Arizona • California • Idaho • Nevada • Washington
Engineer, General Contractor
Commercial, Industrial and Energy, Infrastructure, Institutional
Civil Design and Engineering, Decking, Design and Engineering, Design Coordination Services, Electrical Design and Engineering, Fences and Gates, Flooring, General Construction Management, Integrated Construction, Interior Wall Paneling, Masonry, Painting, Painting and Coatings, Partitions, Plumbing General, Preconstruction Bidding, Project Management, Project Management and Coordination, Roof and Deck Insulation, Roof Panels, Roof Tiles, Rough Carpentry, Sidewalk Lifts, Sidewalks, Siding, Signage, Wall Finishes, Wall Panels, Wood Flooring, Wood Framing, Wood Paneling
Steady Solutions is a commercial design-build firm serving clients across the Western U.S. We deliver high-performing projects for logistics operators, retail brands, office users, industrial facilities, educational institutions, and public agencies. Our scope spans tenant improvements, site and parking upgrades, horizontal work, repairs, and multi-site programs. We’re built for speed, clarity, and control. From initial feasibility and permitting to final punch and closeout, we bring structure and accountability to every step of the process. Our strength lies in strategic consulting backed by disciplined project management and a relentless focus on your business goals. Trusted by Fortune 500 companies and government entities alike, Steady is licensed in multiple states and structured to scale — managing simultaneous projects across geographies without compromising quality or responsiveness. In 2025, our founder was named SBA Person of the Year, and Steady was recognized on the Inc. 5000 list as one of the fastest-growing private companies in America. These milestones reflect our core commitment: to deliver exceptional results with professionalism, ownership, and a service-first mindset.

Top Cities in California

Frequently Asked Questions

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

There are currently 7,767 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 7,767 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.