Design and Engineering Contractors in California

7,374 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
Company Logo

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.
Company Logo

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.

LightSett, LLC

DC, DC • 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
Engineer, General Contractor, Specialty Contractor, Supplier
Commercial, Industrial and Energy, Infrastructure, Residential
3d Capture Scanning, Architectural Design and Engineering, Bored Piles, Communications, Communications Utilities Distribution, Construction Scheduling, Data and Voice Communications, Design and Engineering, Design Coordination Services, Electrical Design and Engineering, Excavation and Fill, Technology Design and Engineering, Traffic Control
LightSett, LLC is a Engineer, General Contractor, Specialty Contractor, Supplier that serves the Hendersonville, NC area and specializes in Excavation and Fill, Traffic Control, Electrical Design and Engineering, Design and Engineering, Bored Piles, Data and Voice Communications, Communications Utilities Distribution, Design Coordination Services, Technology Design and Engineering, Construction Scheduling, Architectural Design and Engineering, 3d Capture Scanning, Communications.
Company Logo

ONE ELECTRIC (1E)

Alhambra, CA • Altadena, CA • Arcadia, CA • Bellflower, CA • Burbank, CA • Carson, CA • Chino, CA • City of Industry, CA • Commerce City, CO • Compton, CA • Covina, CA • Downey, CA • El Monte, CA • El Segundo, CA • Gardena, CA • Glendale, CA • Hawthorne, CA • Hermosa Beach, CA • Huntington Park, CA • Inglewood, CA • Irvine, CA • La Canada Flintridge, CA • La Mirada, CA • Lawndale, CA • Long Beach, CA • Los Angeles, CA • Lynwood, CA • Malibu, CA • Manhattan Beach, CA • Monrovia, CA • Monterey Park, CA • Norwalk, CA • Orange, CA • Paramount, CA • Pasadena, CA • Pico Rivera, CA • Pomona, CA • Redondo Beach, CA • Riverside, CA • Rosemead, CA • San Bernardino, CA • San Diego, CA • San Marino, CA • Santa Clarita, CA • Santa Monica, CA • Simi Valley, CA • South Gate, CA • Temple City, CA • Torrance, CA • Ventura, CA • Whittier, CA
Specialty Contractor
Commercial, Healthcare, Industrial and Energy, Institutional, Residential
Electrical, Electrical Design and Engineering, Electrical General, Electrical Power Generation, Electronic Life Safety, Electronic Security, Facility Electrical Power Generating and Storing Equipment, Integrated Automation Systems For Electrical, Integrated Automation Systems For Electronic Safety, Integrated Automation Systems For Electronic Security, Temporary Electricity
Design-build contractor for all electrical, dry utilities, life safety, low voltage, and control systems

Top Cities in California

Frequently Asked Questions

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

There are currently 7,374 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 7,374 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.