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NAICS 541611 and PSC R499 contractors

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

NAICS 541611 + PSC R499

Last updated: April 17, 2026

Visible recipients

207

Mapped obligations

$127,315,211,125

State overlap

Top recipients

Visible recipients in the NAICS 541611 and PSC R499 overlap

Peerless Technologies Corporation

Fairborn, OH

Fairborn, OH | 65 awards | Top agency Department of Defense | NAICS 541330

$125,416,015

Prometheus Federal Services LLC

Chantilly, VA

Chantilly, VA | 95 awards | Top agency Department of Veterans Affairs | NAICS 561320

$41,684,841

Black & Veatch Corporation

Alpharetta, GA

Alpharetta, GA | 5 awards | Top agency Environmental Protection Agency | NAICS 541611

$286,853

Insignia Technology Services, LLC

Ashburn, VA

Ashburn, VA | 44 awards | Top agency Department of Veterans Affairs | NAICS 541512

$47,846,300

Amivero LLC

Reston, VA

Reston, VA | 80 awards | Top agency General Services Administration | NAICS 541511

$54,161,324

Jones Lang Lasalle Americas, Inc.

Washington, DC

Washington, DC | 191 awards | Top agency Department of Defense | NAICS 541611

$818,307,624

Concept Plus, LLC

Fairfax, VA

Fairfax, VA | 66 awards | Top agency Department of Defense | NAICS 541511

$93,012,309

Lower Brule Sioux Tribe

Lower Brule, SD

Lower Brule, SD | 111 awards | Top agency Department of the Interior | NAICS 541611

$1,485,598

Prescient Edge Corporation

Mc Lean, VA

Mc Lean, VA | 78 awards | Top agency General Services Administration | NAICS 541715

$129,886,604

Cloud Lake Technology LLC

Herndon, VA

Herndon, VA | 32 awards | Top agency Department of Defense | NAICS 541519

$79,064,236

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