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About

CLS can meet all of your compression and custom equipment and parts needs. From standard parts to design and fabrication to rentals and service, we are the experts in the industry. We do this by providing fabrication, machining, engineering/drafting, painting and sandblasting, sales, parts, rentals and service.

Family owned and operated for nearly 40 years, CLS is dedicated to providing the highest level of customer sales, service, and support no matter how big or small the project. The CLS owners, managers, leaders and team care about our customers and employees and value each as if they were family. As a family owned business, CLS will treat you like one of our own ensuring you leave satisfied and confident your product is built right the first time.

Our Story

In 1981, CLS was founded in Casper, Wyoming by Richard Gruner. The company’s core business was centered on long-term rentals and financial leases of air and gas compression equipment. Over the years, CLS’s focus grew to include not only renting and leasing equipment, but also the design, manufacturing and sales of air and gas compressors and other equipment and parts. 

In 1997, CLS was reincorporated, and Richard’s two sons, Ben and Daron, took over the company. Along with a small group of dedicated employees, the Gruner brothers set out to change the compressor industry by integrating products, processes and services into a company that supports all aspects of air and gas compression and equipment and part production and development. An upgrade in buildings allowed CLS to house an A.S.M.E. Code Vessel Shop, Skid Fabrication and Unit Assembly Line, Full-Service Machine Shop, and Sales, Engineering and Manufacturing Offices in the company’s 60,000 sq. ft. facilities. 

Today, CLS has facilities in Casper, Denver, Houston, and Gillette, Wyoming. Throughout our history, CLS has maintained an unwavering commitment to excellent equipment, service and customer relations.