Department of Defense PSC F999 contractors

OTHER ENVIRONMENTAL SERVICES. Contractors in this PSC lane under Department of Defense.

Agency: Department of Defense

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$5,987,899,726

Visible recipients tied to Department of Defense and PSC F999

Wsp USA Environment & Infrastructure Inc.

Blue Bell, PA

Blue Bell, PA | 309 awards | Top agency Department of Defense | NAICS 236220

$239,495,810

Calibre Systems INC

Alexandria, VA

Alexandria, VA | 125 awards | Top agency Department of Defense | NAICS 541990

$129,874,705

Navarro Research And Engineering, Inc.

Oak Ridge, TN

Oak Ridge, TN | 102 awards | Top agency Department of Energy | NAICS 562910

$323,341,736

Sealaska Environmental Services, LLC

Juneau, AK

Juneau, AK | 20 awards | Top agency Department of Defense | NAICS 562910

$54,544,148

Hdr Environmental, Operations And Construction, Inc.

Englewood, CO

Englewood, CO | 109 awards | Top agency Department of Defense | NAICS 541330

$116,132,797

S & K Aerospace, LLC

Saint Ignatius, MT

Saint Ignatius, MT | 415 awards | Top agency Department of Defense | NAICS 541614

$40,471,621

Ce2 Kleinfelder Jv

Pleasanton, CA

Pleasanton, CA | 5 awards | Top agency Department of Defense | NAICS 562910

$13,583,073

Arcadis U.s., Inc.

Highlands Ranch, CO

Highlands Ranch, CO | 100 awards | Top agency Department of Defense | NAICS 541330

$347,069,084

Michael Baker International Holdco Corporation

Moon Township, PA

Moon Township, PA | 5 awards | Top agency Department of Defense | NAICS 541330

$1,628,791

Ahtna Global LLC

Anchorage, AK

Anchorage, AK | 92 awards | Top agency Department of Defense | NAICS 562910

$22,487,083

Page 2 of 3Prev 1 2 3 Next

Agency profile

Loading buyer-level contractor and category paths