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Department of the Interior NAICS 541612 and PSC R499 contractors

Human Resources Consulting Services. SUPPORT- PROFESSIONAL: OTHER. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of the Interior.

Department of the Interior · NAICS 541612 · PSC R499
Last updated: April 8, 2026

Visible recipients

3

Mapped obligations

$2,906,563,017

State overlap

1

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 541612 and PSC R499

Magellan Federal, Inc.

Arlington, VA

Magellan Federal, Inc. is a federal category business profile based in Arlington, VA. The current public data layer shows $341,270,986 in visible federal obligations across 118 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 624190 (Other Individual and Family Services). The profile also shows meaningful product and service activity in PSC G099.

$1,582,574,217

Calibre Systems INC

Alexandria, VA

Calibre Systems INC is a federal category business profile based in Alexandria, VA. The current public data layer shows $70,878,330 in visible federal obligations across 125 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541990 (All Other Professional, Scientific, and Technical Services). The profile also shows meaningful product and service activity in PSC R499.

$1,234,215,542

Goldbelt Glacier Health Services, LLC

Herndon, VA

Goldbelt Glacier Health Services, LLC is a federal 8a program participant profile based in Herndon, VA. The current public data layer shows $34,691,422 in visible federal obligations across 71 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC Q201.

$89,773,258