• Construction

    The CGRS team has the answers for all of your CNG, refined fuel, and water and wastewater needs.

  • Environmental Services

    CGRS is a full-service environmental-consulting company proudly serving both the private and public sectors since 1987.

    Denver Water soil testing

  • Your Partner for Regulatory Compliance Certainty

    For operators challenged by stringent regulations, CGRS is the solution.

    CGRS Environmental Consultant

  • Fuel Services

    We help you navigate regulatory compliance, system design-build, leak detection, UST/AST removal, SPCC plans and more.

    CGRS fuel system upgrades

  • Water & Wastewater Services

    Designing and building water and wastewater systems and facilities that ensure our community has fresh, clean water.

    CGRS Fueling Station Project

  • Training & Resources

    CGRS provides in-house and online Class A&B Operator training. Just one more way we’ve got your back.

    CGRS tanks

  • Committed to Safety

    Safety always comes first at CGRS.

    CGRS Safety First
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Fuel

Serving the fuel industry from refinery to dispenser. We make it simple.

Construction

Industry leaders in a variety of design-build services, including CNG projects, wastewater treatment facilities, bulk fuel facilities, convenience stores and gas stations.

Water & Wastewater

Engineering and construction for all of your water and wastewater projects.

Oil & Gas

Providing turnkey energy services from engineering, design, development and delivery to market.

Natural Resources

Cost-effective solutions to protect the natural world, including due diligence investigations, remediation, regulatory compliance, UST/AST closure, environmental assessment and emergency spill response.

California

Our California office is your one-stop solution for all things related to compliance, enhanced leak detection, and AST / UST tank top and piping upgrades.

Reliable service since 1987. We do more than just solve problems. We deliver solutions.