Department of Transportation NAICS 541990 and PSC R427 contractors

All Other Professional, Scientific, and Technical Services. SUPPORT- PROFESSIONAL: WEATHER REPORTING/OBSERVATION. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of Transportation.

Department of Transportation · NAICS 541990 · PSC R427

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$1,936,102

State overlap

Top recipients

Visible recipients in the Department of Transportation overlap of NAICS 541990 and PSC R427

Macaulay-brown, Inc.

Dayton, OH

Macaulay-brown, Inc. is a federal category business profile based in Dayton, OH. The current public data layer shows $86,765,347 in visible federal obligations across 5 awards or transactions. General Services Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541511 (Custom Computer Programming Services). The profile also shows meaningful product and service activity in PSC 7050.

$1,936,102