Established in 1897, DAS has proudly served New England for over 128 years. Our long-standing success is rooted in a steadfast commitment to personalized project management, exceptional craftsmanship, and delivering lasting value to our commercial clients in both the public and private sectors.

​What sets DAS apart is our deep local knowledge and strong relationships with regional jurisdictions, subcontractors, and suppliers. These connections, built over generations, allow us to navigate complexities with ease and deliver high-quality results while fostering meaningful partnerships that lead to project success.