Callahan is a full service construction company serving the New England and Mid-Atlantic regions. We provide a wide range of preconstruction and construction management services, 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 clients’ expectations. It’s why we’re known as one of the leading open shop firms in New England.

Construction

Callahan Construction Managers

William Callahan

Tom Zimmerman

Kevin Lally

Mandi Callahan

Doug Morrison

John Thorne

Project Management Team

Finance and Accounting Team

Leadership Team

Operations Team

Teams at Callahan Construction Managers

Project Management Team

Finance and Accounting Team

Leadership Team

Operations Team