Agency + NAICS page

Department of the Interior NAICS 561110 contractors

Office Administrative Services. Use this buyer-scoped industry page to see which visible contractors sit closest to this NAICS lane under Department of the Interior.

Agency: Department of the Interior
Last updated: April 8, 2026

Visible recipients

5

Mapped obligations

$384,193,720

Top PSC links

4

Top recipients

Visible recipients tied to Department of the Interior and NAICS 561110

Alutiiq International Solutions, LLC

Anchorage, AK

Alutiiq International Solutions, LLC is a federal 8a program participant profile based in Anchorage, AK. The current public data layer shows $655,714,507 in visible federal obligations across 5 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Y119.

$254,499,325

Trace Systems, Inc.

Mclean, VA

Trace Systems, Inc. is a federal category business profile based in Mclean, VA. The current public data layer shows $123,648,231 in visible federal obligations across 124 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 334220 (Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing). The profile also shows meaningful product and service activity in PSC R425.

$71,573,008

The Bizzell Group LLC

Hyattsville, MD

The Bizzell Group LLC is a federal 8a program participant profile based in Hyattsville, MD. The current public data layer shows $58,681,920 in visible federal obligations across 126 awards or transactions. Department of Health and Human Services 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 U006.

$10,281,009

Sierra7, Inc.

Mclean, VA

Sierra7, Inc. is a federal category business profile based in Mclean, VA. The current public data layer shows $35,411,480 in visible federal obligations across 141 awards or transactions. Department of Veterans Affairs appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC DA01.

$11,200,324

Interactive Government Holdings, Inc.

Springfield, VA

Interactive Government Holdings, Inc. is a federal 8a program participant profile based in Springfield, VA. The current public data layer shows $8,344,038 in visible federal obligations across 32 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561110 (Office Administrative Services). The profile also shows meaningful product and service activity in PSC R699.

$36,640,054