Since 1947, Sheridan Construction Corporation has designed and constructed 3000+ value-engineered buildings across Maine and the Northeast, including landmark projects in all economic sectors—industrial, commercial, municipal, institutional, and retail. What makes Sheridan Construction Corporation different from another Maine commercial construction company? Over 70% of our clients are repeat customers. It’s simple: From drafting table to ribbon cutting, Sheridan Construction Corporation clients consistently enjoy a better building experience.