TERRADON Corporation

Civil EngineeringWest Virginia, United States51-200 Employees

Terradon Corporation is a civil engineering firm that provides design engineering and consulting services across the Appalachian and Mid-Atlantic regions. With over 25 years of operation, it has established a family-owned, second-generation leadership that emphasizes flexible, cost-effective design and reliable, client-focused service. The company is based in Poca, West Virginia, and operates as a midsize firm serving a regional market. 

Terradon’s work has earned recognition from professional bodies including the American Society of Civil Engineers, state highway departments, environmental agencies, and the American Institute of Architects, reflecting its multi-disciplinary engineering offerings. It is the largest women-owned engineering firm in West Virginia and holds a certified Women’s Business Enterprise designation. In February 2026, Terradon named Ryan Wheeler as President, marking a notable leadership change.

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