Department of Homeland Security NAICS 541330 contractors

Engineering Services. Contractors in this NAICS lane under Department of Homeland Security.

Agency: Department of Homeland Security

Last updated: April 19, 2026

Visible recipients

163

Mapped obligations

$236,564,446,561

Visible recipients tied to Department of Homeland Security and NAICS 541330

Applied Research Associates, Inc.

Albuquerque, NM

Albuquerque, NM | 564 awards | Top agency Department of Defense | NAICS 541712

$818,811,767

Goldbelt Falcon LLC

Chesapeake, VA

Chesapeake, VA | 20 awards | Top agency Department of Defense | NAICS 811219

$14,253,816

Systems Planning And Analysis, Inc.

Alexandria, VA

Alexandria, VA | 238 awards | Top agency Department of Defense | NAICS 541330

$1,387,600,926

J & J Maintenance INC

Mclean, VA

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

$331,410

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

Dcs Corporation

Alexandria, VA

Alexandria, VA | 411 awards | Top agency Department of Defense | NAICS 541712

$1,525,242,309

Amentum Technical Services LLC

Aiken, SC

Aiken, SC | 6 awards | Top agency Department of Transportation | NAICS 541330

$221,963,528

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