Department of Defense NAICS 541330 contractors

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

Agency: Department of Defense

Last updated: April 19, 2026

Visible recipients

391

Mapped obligations

$384,687,047,787

Visible recipients tied to Department of Defense and NAICS 541330

J & J Maintenance INC

Mclean, VA

Mclean, VA | 374 awards | Top agency Department of Defense | NAICS 236220

$331,410

Aecom Technical Services, Inc.

Los Angeles, CA

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

$2,819,256,261

Tatitlek Support Services INC

Anchorage, AK

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

Icf Incorporated, L.l.c.

Reston, VA

Reston, VA | 1,306 awards | Top agency Department of Health and Human Services | NAICS 541611

$632,779,985

Noblis, Inc.

Reston, VA

Reston, VA | 372 awards | Top agency Department of Transportation | NAICS 541330

$1,875,508,467

Techflow, Inc.

San Diego, CA

San Diego, CA | 35 awards | Top agency Department of Homeland Security | NAICS 811219

$46,513,236

Network Security Systems Plus, INC

Mc Lean, VA

Mc Lean, VA | 6 awards | Top agency Department of Defense | NAICS 541512

$96,239,768

Credence Management Solutions Limited Liability Company

Mclean, VA

Mclean, VA | 222 awards | Top agency Department of Defense | NAICS 541330

$1,809,633,334

Asrc Federal System Solutions LLC

Beltsville, MD

Beltsville, MD | 422 awards | Top agency National Aeronautics and Space Administration | NAICS 541330

$974,322,888

It Concepts, Inc.

Mclean, VA

Mclean, VA | 98 awards | Top agency Department of Veterans Affairs | NAICS 541512

$21,613,682

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