Construction Services

CGRS provides a wide array of construction services including design-build services for compressed natural gas stations (CNG), renewable natural gas (RNG) facilities, and water and wastewater treatment facilities, as well as installation of bulk refined fuel facilities at airports, truck stops, convenience stores and gas stations.

Click below to explore CGRS’s extensive construction services and capabilities.


CGRS is a leader in CNG, designing and/or building as well as providing service and maintenance to CNG and RNG facilities throughout the Rocky Mountain Region and beyond.


CGRS has the expertise to provide a variety of design-build services in the public and private sectors of the refined-fuel industry.


CGRS brings more than 30 years of experience to the design-build of top-notch water and wastewater treatment plants and related facilities.