Department of the Interior NAICS 541511 and PSC DA01 contractors

Custom Computer Programming Services. IT AND TELECOM - BUSINESS APPLICATION/APPLICATION DEVELOPMENT SUPPORT SERVICES (LABOR). Cross-code overlap under Department of the Interior.

Department of the Interior · NAICS 541511 · PSC DA01

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$2,475,423,761

State overlap

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 541511 and PSC DA01

Caci Enterprise Solutions, LLC

Chantilly, VA

Chantilly, VA | 11 awards | Top agency Department of Defense | NAICS 541512

$405,648,898

Ardent Management Consulting, LLC

Vienna, VA

Vienna, VA | 82 awards | Top agency Department of Homeland Security | NAICS 541511

$286,094,025

Octo Consulting Group LLC

Reston, VA

Reston, VA | 35 awards | Top agency Department of Defense | NAICS 541512

$89,985,150

Zantech It Services, Inc.

Reston, VA

Reston, VA | 51 awards | Top agency Department of Homeland Security | NAICS 541611

$25,035,183

Enquizit LLC

Mc Lean, VA

Mc Lean, VA | 24 awards | Top agency Department of Health and Human Services | NAICS 541519

$72,613,096

Page 2 of 2Prev 1 2

Agency profile

Loading buyer-level contractor and category paths