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Harmon Engineering  and Construction Co., Inc. (HARMON) is a turn-key engineering and construction company, providing engineering, environmental, and construction services.

Harmon has been an ADEM approved trust-fund contractor since the inception of the program in 1993.

We also offer a variety of industrial wastewater services from total system design and installation to mobile treatment plant rentals. 

Harmon was established in 1969 by founder Grady R. Harmon and has been providing professional engineering, contracting, and environment services to industrial, commercial, governmental, and private sector clients located primarily throughout the southeastern United States.


Harmon is both a professional consulting engineering firm and a licensed general contractor. A majority of Harmon's work is performed as a design/build service on a negotiated basis. In addition to a staff of experienced professionals,  Harmon maintains working relationships with several other consulting engineering firms, licensed contractors and licensed subcontractors throughout the southeast.


 After 50 years of service, Harmon has developed an extensive client list including Leehan America, AJIN USA, Chambers County Industrial Park, LaFayette Industrial Park, Randolph County Industrial Park, Fort McClellan Base Realignment, Celebrate Alabama, etc. 

Our clients know us as a professional company that gives attention to project details and completes projects on time and on budget.

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