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NAICS 541990 and PSC R499 contractors in Ohio
All Other Professional, Scientific, and Technical Services. SUPPORT- PROFESSIONAL: OTHER. Use this deeper state cross-code page to see which visible contractors sit in the overlap between these two lanes inside Ohio.
Ohio · NAICS 541990 · PSC R499
Last updated: April 2, 2026
Visible recipients
1
Mapped obligations
$796,753
Buyer overlap
1
Top recipients
