Agency + NAICS page

Department of State NAICS 541710 contractors

Research and Development in the Physical, Engineering, and Life Sciences. Use this buyer-scoped industry page to see which visible contractors sit closest to this NAICS lane under Department of State.

Agency: Department of State
Last updated: April 8, 2026

Visible recipients

3

Mapped obligations

$1,626,583,988

Top PSC links

4

Top recipients

Visible recipients tied to Department of State and NAICS 541710

Peraton Inc.

Herndon, VA

Peraton Inc. is a federal category business profile based in Herndon, VA. The current public data layer shows $2,259,377,244 in visible federal obligations across 1,140 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 D318.

$1,523,447,018

Hdr Environmental, Operations And Construction, Inc.

Englewood, CO

Hdr Environmental, Operations And Construction, Inc. is a federal category business profile based in Englewood, CO. The current public data layer shows $59,678,442 in visible federal obligations across 109 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 C211.

$10,372,888

Social & Scientific Systems, Inc.

Silver Spring, MD

Social & Scientific Systems, Inc. is a federal category business profile based in Silver Spring, MD. The current public data layer shows $34,734,611 in visible federal obligations across 84 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541712 (Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)). The profile also shows meaningful product and service activity in PSC AZ11.

$92,764,082