Our Story

Nationally Recognized for Excellence

The Conco Companies have been delivering premium concrete services throughout the Western U.S. since 1959. As a leader in the industry, we continue to grow our operations and upgrade and expand facilities and equipment as well as our geographic footprint to better serve customers. The Conco name has been an integral partner on many architecturally distinguished projects, and we commit to bringing that same standard of excellence to each job we undertake.

Headquartered in the Bay Area, we currently serve the following cities and surrounding areas:

Los Angeles, San Francisco, San Jose, Sacramento, Seattle, Portland, Bay Area, Reno, and San Diego

Highest Customer Satisfaction for Concrete Construction Services

Conco understands that your project requires the very best start and we work hard to lay the groundwork for a solid foundation. We are a team of dedicated professionals with a broad scope of experience and work closely with contractors, developers, owners and engineers on various concrete methodologies to develop the best standards and practices found in the industry today.

Our services are impressive. Conco’s team of design experts has all the tools and resources at hand to assist from pre-construction to finish alleviating any problems or delays. We operate two state-of-the-art rebar facilities that have allowed us to become one of the largest reinforcing steel and post-tension cable contractors in the West. Our ability to create and implement any type of concrete formwork as well as experienced place and finish crews offers customers exceptional results.

As placement specialists, Conco’s large pumping company has an established record of offering unique solutions for projects with challenging access and time constraints. Furthermore, we not only provide quality shotcrete services, but we are leaders in the developing field of sculptured shotcrete walls that offer structural integrity and are visually attractive.

When needed, construction hauling services are available in some areas. Our goal is to provide customers the best value in the industry on all concrete and trucking services that meet or exceed expectations.

Conco’s mission is to be the best supplier of concrete services in the Western United States and to bring expertise, experience and quality to each project. We continue to upgrade and expand facilities to better serve the growing market for public works projects, commercial, parking structures, educational, and other construction development. Contact us to discuss how Conco can assist your next project with the services of our professional concrete construction companies.

Conco Locations West Coast


The Conco Companies

Conco Headquarters

(800) 695-6799


(800) 347-3407


(866) 347-3407


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Follow Our Activity

See how Conco is transforming communities with technology and innovation while delivering premium concrete services.

Northern California

(925) 685-6799

5141 Commercial Circle

Concord, CA 94520

Southern California

(909) 350-0474

13052 Dahlia Street

Fontana, CA 92337


(971) 808-5954

7025 N Leadbetter Road

Portland, OR 97203


(425) 251-1684

18644 72nd Avenue S

Kent, WA 98032

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