Department of Energy (DOE)

• Battelle Memorial Institute, Columbus
• Los Alamos National Laboratory
• Pantex Plant
• Portsmouth Gaseous Diffusion Plant
• Rocky Flats Environmental Technology Site
• Sandia National Laboratory
• Savannah River Site
• Uranium Mill Tailings Remedial Action   (UMTRA)Project
• Weldon Spring Site Remedial Action Project
• Hanford Site

Department of Defense (DOD)

• U.S. Air Force
• U.S. Air Force NORAD
• Nellis Air Force Base
• U.S. Army Chemical Corps
• U.S. Army Materials Technology
• Laboratory
• U.S. Army sites:
  • Presidio of San Francisco
  • Twin Cities Army Ammunition Plant
  • Pueblo Chemical Depot
  • Tooele Army Depot
  • Jefferson Proving Ground
  • Fort Carson
• Rocky Mountain Arsenal
• U.S. Navy
• Norfolk Naval Air Station

Other Government Agencies

• U.S. EPA – Regional Response Team
• Federal Aviation Administration
• City and County of Denver, CO
• Colorado Department of Transportation
• Stapleton Airport
• City of Golden, CO
• City of Castle Rock, CO
• City of Breckenridge, CO
• City of Dillon, CO

Numerous private clients:

• AT&T
• Lockheed Martin
• Coors Brewing Company
• New Belgium Brewing Company
• International Paper Company
• Palo Verde Nuclear Generating Station
• Fort Saint Vrain Nuclear Generating Station
• Union Pacific Corporation
• Rockwell International
• J.A. Jones Construction Co.
• Renaud Constructors Inc.
• Fort Knox Gold Mine, Inc.
• Henderson Mines
• Colorado Interstate Gas
• Colorado Department of Health
• Tenneco Oil Company
• Union Oil Company
• United Creosoting Superfund site
• Biosphere II
• Ralston Water Treatment Plant
• CAP Water Treatment Plant
• Las Vegas Water Treatment Plant
• Boulder Wastewater Treatment Plant
• University of Michigan
• Martin Marietta Corporation, Astronautics Group
• Colorado Christian University
• Denver University
• Washington International Group
• Jacobs Engineering
• Onyx Environmental Services
• Hudspeth & Associates
• Environmental Chemical Corporation
• Mactec