Callahan Construction Managers is a full-service construction management company based in Bridgewater MA, with regional offices in White Plains, NY. Callahan has served the New England and Northeast regions as a family business for over 65 years. As one of the region’s largest open shop construction firms, Callahan provides a wide range of preconstruction and construction management services to local, regional, and national clients. Callahan enforces a high quality and innovative approach to all projects and execute large- and small-scale building projects for clients in multiple markets. With extensive experience, dedication to strong partnerships, and the ability to provide enhanced services that the competition can’t, we consistently deliver solutions that exceed client’s expectations. It’s why we’re known as one of the leading open shop firms in New England.