Thomas J. Dyer Company Employee Directory

Industrial Machinery ManufacturingOhio, United States51-200 Employees

The Thomas J. Dyer Company is a mid-sized mechanical and plumbing contractor based in Cincinnati, Ohio, founded in 1908. It provides full-service fabrication, installation, and service for HVAC, piping, and plumbing projects across the United States, and emphasizes technology-driven delivery through building information modeling, GPS-based layout, and on-screen 3D estimating. 

The company integrates prefabricated assemblies into its work, including multi-trade corridor racks and equipment skids, to improve quality and schedule. Its scope includes turnkey construction, design/build with in-house engineers, LEAN construction, and 24-hour emergency service, as well as maintenance, facility management, and energy auditing. The firm has completed projects ranging from simple service repairs to large facilities such as a million-square-foot hospital, demonstrating capacity to handle a broad spectrum of sizes.

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