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NAICS 541990 and PSC AD91 contractors in Maryland

All Other Professional, Scientific, and Technical Services. R&D- DEFENSE OTHER: OTHER (BASIC RESEARCH). Use this deeper state cross-code page to see which visible contractors sit in the overlap between these two lanes inside Maryland.

Maryland · NAICS 541990 · PSC AD91
Last updated: April 6, 2026

Visible recipients

1

Mapped obligations

$146,290

Buyer overlap

3

Top recipients

Visible recipients in the Maryland overlap of NAICS 541990 and PSC AD91