Ganneston Construction Corp. Email Format

ConstructionMaine, United States11-50 Employees

Ganneston Construction Corp. is a Maine-based contractor offering general contracting, construction management, and design-build services. Founded in 1963, the firm serves private and public clients in Maine and New Hampshire, handling both renovation work and new construction. Its project scope includes commercial, historical, industrial, institutional, multi-family, government, and pre-engineered metal building ventures, reflecting a diversified portfolio. 
 
 Based in Augusta, it operates as a smaller to mid-sized regional contractor within the construction sector. The company holds the distinction of being the only general contractor in Maine certified as a Woman-Owned Business by the state, a credential that sets it apart in the market.

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