ATL supports a wide range of federal and state agencies; national laboratories; DOE and DoD secure facilities, and commercial customers. Through our dedication to quality, cost-effectiveness, and loyalty to clients’ missions, ATL has served many customers continuously for more than two decades.

Federal Government

U.S. Department of Defense (DoD)

  • Defense Intelligence Agency (DIA)

  • Defense Technical Information Center

  • Defense Threat Reduction Agency (DTRA)

  • National Geospatial-Intelligence Agency (NGA)

  • Naval Facilities Engineering Command, Southwest Division

  • Naval Sea Systems Command (NAVSEA)

  • Naval Surface Warfare Center (NSWC)-Carderock

  • U.S. Air Force – Patrick AFB

  • U.S. Air Force Technical Applications Center

  • U.S. Army Corps of Engineers (USACE)

  • U.S. Naval Research Laboratory

U.S. Department of Energy (DOE)

  • Headquarters (HQ)

  • National Nuclear Security Administration (NNSA)/Office of Emergency Management (NA-41)

  • Office of Environmental Management (EM)

  • Office of River Protection (ORP)

  • Office of Science – Chicago (SC)

U.S. Department of Health and Human Services (HHS)

  • Centers for Disease Control and Prevention (CDC)/National Institute for Occupational Safety and Health (NIOSH)

  • Federal Occupational Health (FOH)

  • Food and Drug Administration

  • National Institutes of Health (NIH)

U.S. Department of Homeland Security (DHS)

  • Human Capital Policy and Programs, Office of the Chief Human Capital Officer

  • Immigration and Customs Enforcement

  • Transportation Security Administration (TSA)

  • U.S. Coast Guard (USCG)

U.S. Department of Labor (DOL)

  • Occupational Safety and Health Administration (OSHA)


  • U.S. Environmental Protection Agency (EPA)

  • U.S. Nuclear Regulatory Commission (NRC)

  • Federal Deposit Insurance Corporation (FDIC)

  • National Aeronautics and Space Administration (NASA)

  • National Institute of Standards and Technology

National Laboratories

  • Argonne National Laboratory

  • Los Alamos National Laboratory

  • Oak Ridge National Laboratory

  • Pacific Northwest National Laboratory

  • Sandia National Laboratories

State and Local Government

  • Commonwealth of Kentucky

  • Maryland Department of Environment


  • Associated Oregon Loggers

  • Booz Allen and Hamilton

  • BTS Badger Tech

  • BWXT Technical Services Group, Inc.

  • Cabrera

  • CACI

  • CB&I

  • CDW Government LLC

  • CH2M HILL Plateau Remediation Company

  • Dade Moeller

  • DS Federal

  • DTE

  • Energy Solutions, LLC

  • Environmental Chemical Corporation (ECC)

  • Fluor Fernald Inc.

  • Fluor Hanford Inc.

  • GEM

  • Hensel Phelps

  • International Paper

  • International Union of Operating Engineers (IUOE)

  • KapStone Container Corporation

  • Lockheed Martin Energy System

  • Lockheed Martin Information Systems and Global Solutions

  • Mele Associates

  • Metawise Group, Inc.

  • Mission Support Alliance

  • Nuclear Waste Partnership (NWP)

  • Pajarito Scientific Corp

  • Portage, Inc.

  • Prolepsis

  • Remedial Construction Services, L.P.

  • Resource Management Group

  • Shaw Areva Mox

  • Spectra Tech

  • Stoller

  • UCOR URS | CH2M Oak Ridge LLC

  • Unitech Services Group

  • URS Corproation

  • UT-Battelle, LLC

  • Walker Company

  • Washington Closure Hanford

  • Washington River Protection Solutions (WRPS)

  • Western Pulp

  • Winstream

  • Zeltech


  • San Yuan Tech Co., Ltd.