Sellers Treybal Structural Engineers PC Employee Directory

Civil EngineeringVermont, United States2-10 Employees

Sellers Treybal Structural Engineers PC (STS) is a civil engineering consulting practice based in Vermont, with a main office in Shelburne and a part-time office in Middlebury. Founded in 2014 by Greg Sellers, PE, and John Treybal, PE, the firm serves both public and private clients across Vermont and has licensing in several states. STS emphasizes collaborative project delivery, combining the resources of a larger firm with hands-on principal involvement to develop structural solutions tailored to individual projects. The company focuses on a wide range of building methods and materials, offering project management across all phases from initial schematic design through construction completion. Its approach centers on integrating with other consulting and construction team members to support successful outcomes for clients.

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