Department of Homeland Security NAICS 541611 and PSC R405 contractors

Administrative Management and General Management Consulting Services. SUPPORT- PROFESSIONAL: OPERATIONS RESEARCH/QUANTITATIVE ANALYSIS. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541611 · PSC R405

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$692,893,345

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541611 and PSC R405

Reli Group INC

Windsor Mill, MD

Windsor Mill, MD | 119 awards | Top agency Department of Health and Human Services | NAICS 541611

$413,672,706

Catapult Consultants LLC

Fredericksburg, VA

Fredericksburg, VA | 5 awards | Top agency Department of Defense | NAICS 541611

$22,806,379

The Cadmus Group LLC

Arlington, VA

Arlington, VA | 289 awards | Top agency Environmental Protection Agency | NAICS 541620

$256,414,260

Agency profile

Loading buyer-level contractor and category paths

Home/Department of Homeland Security/NAICS 541611/PSC R405

Agency + NAICS + PSC page