Department of the Interior NAICS 561110 and PSC DA01 contractors

Office Administrative Services. IT AND TELECOM - BUSINESS APPLICATION/APPLICATION DEVELOPMENT SUPPORT SERVICES (LABOR). 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 561110 · PSC DA01

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$71,398,828

State overlap

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 561110 and PSC DA01

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.

$71,398,828