Department of Justice NAICS 541330 and PSC R499 contractors

Engineering Services. SUPPORT- PROFESSIONAL: OTHER. Cross-code overlap under Department of Justice.

Department of Justice · NAICS 541330 · PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$45,009,556,086

State overlap

Top recipients

Visible recipients in the Department of Justice overlap of NAICS 541330 and PSC R499

American Systems Corporation

Mclean, VA

Mclean, VA | 295 awards | Top agency Department of Defense | NAICS 541330

$1,060,412,692

Constellation Newenergy, Inc.

Baltimore, MD

Baltimore, MD | 265 awards | Top agency General Services Administration | NAICS 541330

$417,626,503

Siemens Government Technologies INC

Arlington, VA

Arlington, VA | 227 awards | Top agency Department of Defense | NAICS 541512

$818,225,900

Tatitlek Technologies, LLC

Anchorage, AK

Anchorage, AK | 238 awards | Top agency Department of State | NAICS 561210

$461,929,674

Noresco, LLC

Westborough, MA

Westborough, MA | 81 awards | Top agency Department of Defense | NAICS 541330

$1,489,852,432

Chugach Technical Solutions LLC

Anchorage, AK

Anchorage, AK | 156 awards | Top agency Department of Defense | NAICS 541330

$497,317,019

Edgewater Federal Solutions, Inc.

Frederick, MD

Frederick, MD | 41 awards | Top agency Department of Energy | NAICS 541519

$137,127,927

Chenega Enterprise Systems & Solutions, LLC

Chesapeake, VA

Chesapeake, VA | 180 awards | Top agency Department of Health and Human Services | NAICS 541611

$317,059,418

Accelgov LLC

Bethesda, MD

Bethesda, MD | 89 awards | Top agency Department of Justice | NAICS 541614

$43,091,911

Chenega It Enterprise Services, LLC

Lorton, VA

Lorton, VA | 56 awards | Top agency Department of Defense | NAICS 541330

$127,363,242

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