J. D. Hair & Associates, Inc. Email Format

Civil EngineeringOklahoma, United States11-50 Employees

J. D. Hair & Associates, Inc. operates in the civil engineering sector with a focus on trenchless, geotechnical, and structural engineering. The firm recently merged with Mi-Tech Services, expanding its service portfolio under the Mi-Tech name and aligning with the Michels Family of Companies to enhance capabilities in engineering, design, and construction across infrastructure projects. Based in Tulsa, Oklahoma, the organization combines decades of experience in trenchless, structural, utility, and infrastructure disciplines to serve clients seeking integrated engineering and construction solutions. The merger broadens the firm’s reach within its industry and positions the combined entity to deliver expanded services through a unified platform. Since the acquisition in 2021, J. D. Hair & Associates has contributed to Michels’ geotechnical and structural engineering offerings, reflecting ongoing collaboration within the broader family of companies.

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