Business Details
50+ Years
experience
Emergency
services
Trusted Concrete Construction Services in the Western U.S.
The Conco Companies have been delivering premium concrete services throughout the Western U.S. since 1959. As an industry leader, we combine decades of experience with cutting-edge technology to provide comprehensive solutions from pre-construction design to project completion. Our services include digital construction, rebar reinforcement, concrete formwork, ConFoam cellular concrete, pumping, finishing, and shotcrete. We operate two state-of-the-art rebar fabrication facilities and maintain a fleet of advanced equipment to ensure precision and efficiency. Our commitment to safety, innovation, and customer satisfaction has earned us a reputation as a trusted partner for commercial, industrial, and public works projects.We prioritize collaboration with clients, leveraging Building Information Modeling (BIM) and 4D planning to optimize project outcomes. Our team of engineers, estimators, and skilled laborers works tirelessly to meet deadlines and budgets while adhering to the highest quality standards. With offices in California, Oregon, and Washington, we serve major markets across the West Coast. Our proprietary ConFoam technology offers cost-effective void-filling solutions, and our emergency response capabilities ensure rapid deployment for critical projects. We remain family-owned and dedicated to advancing the concrete construction industry through sustainable practices and continuous improvement.
Services
Pre-Construction Design/Build
Digital Construction
Rebar Reinforcement
Concrete Formwork
Cellular Concrete ConFoam
Concrete Pumping
Concrete Finishing
Shotcrete
Pipe Abandonment Backfill
Swimming Pool Demolition
Details
- Year established: 1959
Highlights and features
- We offer over 60 years of specialized expertise in concrete construction.
- Our full-service approach covers every project phase from design to finishing.
- We utilize advanced technologies like BIM and robotic total stations for precision.
- Our safety-first culture ensures the highest standards for employees and clients.
- We provide customized solutions for complex challenges with rapid response capabilities.
Services
Concrete Pumping
Our concrete pumping division operates one of the largest fleets in the U.S., offering specialized solutions for challenging access and time-sensitive projects. We utilize high-capacity pumps and telebelts to ensure precise placement in difficult locations. Our crews are trained to handle complex logistics, minimizing delays and optimizing efficiency for commercial and infrastructure developments.
Cellular Concrete ConFoam
ConFoam is a lightweight, flowable cellular concrete used for void filling, trench backfill, and subbase applications. Its self-compacting properties eliminate mechanical compaction needs while reducing load pressures on existing structures. Customizable densities and rapid installation make it ideal for pipeline abandonment, swimming pool demolition, and unstable soil stabilization projects.
Rebar Reinforcement
We provide full-service rebar fabrication and installation using state-of-the-art equipment and BIM technology. Our two West Coast facilities produce project-specific reinforcement systems, including post-tension cables and stud rails. This coordinated approach ensures quality control, reduces delays, and supports structural integrity for commercial and infrastructure projects.
Shotcrete
Our shotcrete services apply high-velocity concrete to vertical and overhead surfaces, eliminating extensive formwork requirements. This method reduces labor costs and accelerates project timelines while maintaining structural integrity. We specialize in both structural applications and sculptured architectural finishes for retaining walls and underground structures.
Digital Construction
We integrate Building Information Modeling (BIM) and 4D planning throughout project lifecycles, from pre-construction visualization to as-built documentation. Our digital tools enable clash detection, resource optimization, and real-time field coordination using robotic total stations and laser scanning to enhance accuracy and reduce rework.
People
Steve Gonsalves
President & CEO
Steve Gonsalves has led The Conco Companies since 1986, expanding operations across the Western U.S. With over 45 years in the industry, he oversees strategic planning, estimating, and client relations while championing safety and innovation. He actively supports industry education and community youth programs.
Questions
What concrete services does Conco offer?
We provide full-service concrete solutions including design/build, rebar reinforcement, formwork, pumping, finishing, shotcrete, and proprietary ConFoam applications for commercial and infrastructure projects.
What is ConFoam cellular concrete?
ConFoam is a lightweight, pumpable concrete used for void filling and backfill applications. It self-compacts, requires no mechanical vibration, and reduces structural loading while enabling rapid installation.
Do you offer emergency concrete services?
Yes, our ConFoam system provides rapid response for emergency void filling and pipeline abandonment projects with mobilization within one hour of arrival.
Which areas do you serve?
We operate across Northern and Southern California, Oregon, Washington, and SW Washington, with strategically located fabrication facilities and pumping equipment.
How does Conco ensure project safety?
Safety is our top priority. We implement rigorous training programs, utilize advanced equipment, and maintain strict compliance with OSHA standards across all project phases.
What construction technologies do you use?
We employ BIM, robotic total stations, laser scanning, and 4D planning tools to enhance precision, reduce rework, and improve project coordination for complex developments.
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