Department of Homeland Security NAICS 541519 contractors

Other Computer Related Services. Contractors in this NAICS lane under Department of Homeland Security.

Agency: Department of Homeland Security

Last updated: April 17, 2026

Visible recipients

129

Mapped obligations

$62,629,111,568

Visible recipients tied to Department of Homeland Security and NAICS 541519

Avantus Federal LLC

Mc Lean, VA

Mc Lean, VA | 95 awards | Top agency Department of Defense | NAICS 541330

$93,559,774

American Systems Corporation

Mclean, VA

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

$255,031,500

Securigence LLC

Leesburg, VA

Leesburg, VA | 71 awards | Top agency Department of Defense | NAICS 541511

$28,621,038

Guidehouse Digital LLC

Mc Lean, VA

Mc Lean, VA | 389 awards | Top agency Department of Homeland Security | NAICS 541512

$169,246,546

Rei Systems, Inc.

Chantilly, VA

Chantilly, VA | 168 awards | Top agency Department of Health and Human Services | NAICS 541519

$795,021,335

Aoc Connect, LLC

Ashburn, VA

Ashburn, VA | 241 awards | Top agency Department of Defense | NAICS 517110

$47,691,290

Agile Defense, LLC

Mclean, VA

Mclean, VA | 496 awards | Top agency Department of Defense | NAICS 541512

$392,438,275

Red River Technology LLC

Chantilly, VA

Chantilly, VA | 407 awards | Top agency Department of Defense | NAICS 541519

$2,789,036,250

Govplace, LLC

Bethesda, MD

Bethesda, MD | 341 awards | Top agency Department of Homeland Security | NAICS 541519

$1,324,658,096

Kadiak LLC

Anchorage, AK

Anchorage, AK | 175 awards | Top agency Department of Defense | NAICS 541611

$109,767,330

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