Department of Defense NAICS 541330 and PSC AD21 contractors

Engineering Services. R&D- DEFENSE OTHER: SERVICES (BASIC RESEARCH). Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of Defense.

Department of Defense · NAICS 541330 · PSC AD21

Last updated: April 2, 2026

Visible recipients

Mapped obligations

$47,771,043

State overlap

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 541330 and PSC AD21

Abbott On Call, Inc.

Vienna, VA

Abbott On Call, Inc. is a federal category business profile based in Vienna, VA. The current public data layer shows $2,793,351 in visible federal obligations across 22 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC R425.

$47,771,043