Department of Homeland Security NAICS 238220 and PSC AD25 contractors in Ohio

Plumbing, Heating, and Air-Conditioning Contractors. R&D- DEFENSE OTHER: SERVICES (OPERATIONAL SYSTEMS DEVELOPMENT). Use this deepest state-buyer cross-code page to see which visible contractors sit in the exact overlap of buyer, geography, industry, and product-service lane.

Ohio · Department of Homeland Security

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$122,864,355

Cross-code depth

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Top recipients

Visible recipients tied to Department of Homeland Security, Ohio, NAICS 238220, and PSC AD25

The Whitestone Group, Inc.

Reynoldsburg, OH

The Whitestone Group, Inc. is a federal category business profile based in Reynoldsburg, OH. The current public data layer shows $44,135,018 in visible federal obligations across 67 awards or transactions. Department of Transportation appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561612 (Security Guards and Patrol Services). The profile also shows meaningful product and service activity in PSC S206.

$122,864,355