General Services Administration NAICS 541611 and PSC R499 contractors

Administrative Management and General Management Consulting Services. SUPPORT- PROFESSIONAL: OTHER. Cross-code overlap under General Services Administration.

General Services Administration · NAICS 541611 · PSC R499

Last updated: April 17, 2026

Visible recipients

100

Mapped obligations

$81,431,103,990

State overlap

Top recipients

Visible recipients in the General Services Administration overlap of NAICS 541611 and PSC R499

Paragon Technical Services, Inc.

Hilliard, OH

Hilliard, OH | 16 awards | Top agency Department of Energy | NAICS 561612

$321,038,748

Livanta LLC

Virginia Beach, VA

Virginia Beach, VA | 10 awards | Top agency Department of Health and Human Services | NAICS 541618

$10,470,047

Telum Protection CORP

Southern Pines, NC

Southern Pines, NC | 5 awards | Top agency Department of Defense | NAICS 541611

$7,165,906

Aoc Solutions, INC

Fairfax, VA

Fairfax, VA | 23 awards | Top agency Department of Defense | NAICS 541611

$122,350,694

Olgoonik Technical Services, LLC

Anchorage, AK

Anchorage, AK | 21 awards | Top agency Department of Defense | NAICS 493110

$46,445,511

Hntb Corporation

Kansas City, MO

Kansas City, MO | 24 awards | Top agency Department of Defense | NAICS 541330

$16,741,918

Trigent Solutions INC

Chantilly, VA

Chantilly, VA | 65 awards | Top agency Department of Health and Human Services | NAICS 541512

$13,780,462

Lantana Consulting Group, INC

East Thetford, VT

East Thetford, VT | 32 awards | Top agency Department of Health and Human Services | NAICS 541519

$225,005,791

Knowesis, Inc.

Fairfax, VA

Fairfax, VA | 39 awards | Top agency Department of Defense | NAICS 541611

$168,029,498

Tria Federal, LLC

Arlington, VA

Arlington, VA | 27 awards | Top agency Department of Veterans Affairs | NAICS 541611

$82,055,171

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