Lyman Henn Inc

Located in Denver, CTL|Thompson is a full-service geotechnical, environmental and materials engineering firm. It was formed in 1977 by the merger of Robert W. Thompson and Commercial Testing Laboratories. The company is one of the leading providers of engineering solutions with various operational offices in Colorado, Texas and Wyoming. It employs trained engineering specialists to manage a variety of residential and commercial construction projects. CTL|Thompson offers various kinds of services, including geotechnical engineering and geologic studies, and construction observation and testing. The company s other services include materials engineering and laboratory studies, pavement engineering, mining and subsidence, structural services, and storm water management planning and compliance.

Integra Engineering provides planning, design and construction services in the areas of water and wastewater treatment, pipelines, storage reservoirs, odor and corrosion control. Its technical specialties include pipeline forensic investigations, hydraulic analysis and wastewater treatment process research. The company offers engineering, conceptual planning, economic, hydraulic transient and network evaluations, waste minimization studies, process optimization, biosolids management, failure investigations and pipeline rehabilitative services. Integra Engineering s construction management services include resident engineering, cost estimating, operators training and contract administration services. The company has worked on various projects, including Black Hawk Hidden Valley Water Treatment Plant, Colorado Springs Utilities Septage Receiving Station, Montezuma Water Company Water Treatment Plant and Parker Water and Sanitation District. Integra Engineering is located in Denver.