Department of State NAICS 541330 contractors

Engineering Services. Contractors in this NAICS lane under Department of State.

Agency: Department of State

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$58,969,835,380

Visible recipients tied to Department of State and NAICS 541330

Alutiiq Pacific, LLC

Anchorage, AK

Anchorage, AK | 20 awards | Top agency Department of Defense | NAICS 561210

$46,171,587

Alutiiq 3sg, LLC

Anchorage, AK

Anchorage, AK | 20 awards | Top agency Department of Defense | NAICS 541330

$123,849,633

Tetra Tech Ec, Inc.

San Diego, CA

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

$83,865,987

Pae Government Services, Inc.

Chantilly, VA

Chantilly, VA | 943 awards | Top agency Department of State | NAICS 561210

$595,486,483

Ecc International, LLC

Burlingame, CA

Burlingame, CA | 5 awards | Top agency Department of Defense | NAICS 236220

$37,480

Bae Systems Information & Electronic Systems Integration INC

Hudson, NH

Hudson, NH | 24 awards | Top agency Department of Defense | NAICS 336414

$89,968,974

Cae USA Inc.

Arlington, TX

Arlington, TX | 158 awards | Top agency Department of Defense | NAICS 336413

$937,226,255

Arcticom, LLC

Anchorage, AK

Anchorage, AK | 198 awards | Top agency Department of Defense | NAICS 541512

$70,704,702

Tetra Tech, Inc.

Pasadena, CA

Pasadena, CA | 260 awards | Top agency Department of Defense | NAICS 541330

$2,269,677,772

Esimplicity INC

Silver Spring, MD

Silver Spring, MD | 101 awards | Top agency Department of Health and Human Services | NAICS 541512

$50,623,159

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