Established in 1897, D. A. Sullivan & Sons Inc. is a full-service construction company that provides construction services throughout western Massachusetts. It is a mid-sized general contracting/construction manager/owners project manager firm. The company serves a wide array of markets, such as institutions, businesses and municipalities in the surrounding communities. D.A. Sullivan & Sons Inc. is certified by the state of Massachusetts Division of Capital Asset Management (DCAM). The company offers a variety of project delivery methods, including lump sum bid, design/build, cost plus fixed fee and much more.