Sellers Treybal Structural Engineers (STS) is an experienced consulting engineering firm operating in Vermont and licensed several states. STS serves both public and private clients and offers service from their main office in Shelburne, Vermont and part-time office in Middlebury, Vermont.Greg Sellers, PE and John Treybal, PE founded STS in January 2014 and both bring expertise in a wide range of projects and building methods and materials to the firm. They have project management experience covering all aspects and phases of a project from early schematic level design through construction and completion of a project. STS believes that working in a collaborative approach with the other consulting and construction team members leads to a successful project for the client. STS offers this approach with the capabilities of a larger firm, while delivering the hands-on principal involvement of a small practice. With experience, insight, and a willingness to use state of the art ideas, the principals of the firm collaborate to target the correct structural solutions for a given project.