Department of Defense NAICS 541330 and PSC R499 contractors

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

Department of Defense · NAICS 541330 · PSC R499

Last updated: April 17, 2026

Visible recipients

156

Mapped obligations

$295,426,329,118

State overlap

Top recipients

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

Noresco, LLC

Westborough, MA

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

$1,489,852,432

The Mil Corporation

Bowie, MD

Bowie, MD | 189 awards | Top agency Department of Defense | NAICS 541519

$751,981,084

Softek Feditc LLC

Piscataway, NJ

Piscataway, NJ | 5 awards | Top agency Department of Homeland Security | NAICS 541511

$71,824

Delta Solutions & Strategies LLC

Colorado Springs, CO

Colorado Springs, CO | 47 awards | Top agency Department of Defense | NAICS 541330

$567,701,009

Hdr Environmental, Operations And Construction, Inc.

Englewood, CO

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

$594,758,035

Strategic Technology Institute INC

Rockville, MD

Rockville, MD | 130 awards | Top agency Department of Defense | NAICS 336411

$132,819,792

Chugach Technical Solutions LLC

Anchorage, AK

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

$497,317,019

Bowhead Total Enterprise Solutions, LLC

Springfield, VA

Springfield, VA | 75 awards | Top agency Department of Defense | NAICS 541513

$125,037,074

Edgewater Federal Solutions, Inc.

Frederick, MD

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

$137,127,927

Energy Systems Group LLC

Newburgh, IN

Newburgh, IN | 62 awards | Top agency Department of Defense | NAICS 541330

$414,863,046

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