Top federal contractors for Department of Defense, NAICS 562910, and PSC F999.

Tetra Tech Ec, Inc.

San Diego, CA · Department of Defense

Chenega Global Services LLC

San Antonio, TX · Department of Defense

Aecom Technical Services, Inc.

Los Angeles, CA · Department of Defense

Ahtna Facility Services, Incorporated

Anchorage, AK · Department of Energy

Aptim Federal Services, LLC

Baton Rouge, LA · Department of Defense

Shaw Infrastructure, Inc.

Monroeville, PA · Department of Defense

Ea Engineering, Science, And Technology, Inc., Pbc

Hunt Valley, MD · Department of Defense

Wsp USA Environment & Infrastructure Inc.

Blue Bell, PA · Department of Defense

Navarro Research And Engineering, Inc.

Oak Ridge, TN · Department of Energy

Sealaska Environmental Services, LLC

Juneau, AK · Department of Defense

Hdr Environmental, Operations And Construction, Inc.

Englewood, CO · Department of Defense

Ce2 Kleinfelder Jv

Pleasanton, CA · Department of Defense

Arcadis U.s., Inc.

Highlands Ranch, CO · Department of Defense

Ahtna Global LLC

Anchorage, AK · Department of Defense

Stantec Consulting Services Inc.

Denver, CO · Department of Defense

Aecom International Inc.

Frankfurt Am Main · Department of Defense

Osage Nation Energy Services LLC

Tulsa, OK · Department of Defense

Ahtna Solutions, LLC

Anchorage, AK · Department of Defense

Aleut Remediation LLC

Oak Ridge, TN · Department of Defense

Sealaska Remediation Solutions, LLC

Seattle, WA · Department of Defense

Shaw Environmental & Infrastructure, Inc.

Moorestown, NJ · Department of Defense