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

Cherokee Nation Technology Solutions LLC

Tulsa, OK

Tulsa, OK | 20 awards | Top agency Department of Defense | NAICS 541620

$41,228,262

Tetra Tech Ec, Inc.

San Diego, CA

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

$215,451,342

Ecc Constructors LLC

Burlingame, CA

Burlingame, CA | 61 awards | Top agency Department of Defense | NAICS 562119

$1,866,566,670

Chenega Global Services LLC

San Antonio, TX

San Antonio, TX | 5 awards | Top agency Department of Defense | NAICS 562910

$81,275,559

Aecom Technical Services, Inc.

Los Angeles, CA

Los Angeles, CA | 1,077 awards | Top agency Department of Defense | NAICS 541330

$454,684,853

Ahtna Facility Services, Incorporated

Anchorage, AK

Anchorage, AK | 20 awards | Top agency Department of Energy | NAICS 562910

$102,017,045

Aptim Federal Services, LLC

Baton Rouge, LA

Baton Rouge, LA | 303 awards | Top agency Department of Defense | NAICS 562910

$665,771,701

Shaw Infrastructure, Inc.

Monroeville, PA

Monroeville, PA | 5 awards | Top agency Department of Defense | NAICS 561210

$20,988,179

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

Hunt Valley, MD

Hunt Valley, MD | 522 awards | Top agency Department of Defense | NAICS 562910

$600,988,011

Nv5 Geospatial, Inc.

Saint Petersburg, FL

Saint Petersburg, FL | 132 awards | Top agency Department of the Interior | NAICS 541360

$14,059,450

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