Department of Transportation NAICS 541990 contractors in Ohio

All Other Professional, Scientific, and Technical Services. Use this deeper state-buyer-industry page to see which visible contractors sit closest to this exact overlap in the public AwardRegistry layer.

Ohio + Department of Transportation

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$968,051

Visible recipients tied to Department of Transportation, Ohio, and NAICS 541990

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.

$968,051