Douglas Lee Doerr

SCS Engineers, Inc. provides engineering, construction, long term operations, and maintenance services. It is an environmental consulting and contracting firm serving public and private clients across the nation and around the world. The firm specializes in the assessment, design, permitting, construction, operation and maintenance, and monitoring of sustainable environmental solutions and facilities. It offers waste management and environmental services. SCS Engineers was founded by Robert P. Stearns, Tom E. Conrad, and Curt J. Schmidt in 1970 and is headquartered in Long Beach, CA.

Aquaterra Environmental Solutions, Inc. provided environmental and engineering services. The company was founded in 2002 and was headquartered in Overland Park, KS.