NAICS 541990 and PSC AJ11 contractors

All Other Professional, Scientific, and Technical Services. GENERAL SCIENCE AND TECHNOLOGY R&D SERVICES; GENERAL SCIENCE AND TECHNOLOGY; BASIC RESEARCH. Use this cross-code page to see which visible federal contractors sit in the overlap between these two public category lanes.

NAICS 541990 + PSC AJ11

Last updated: April 5, 2026

Visible recipients

Mapped obligations

$194,645,350

State overlap

Top recipients

Visible recipients in the NAICS 541990 and PSC AJ11 overlap

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.

$194,645,350