Welcome to D/E/F Services Group, Ltd.


D/E/F Services Group is a multifaceted multi-trade service and installation company with the goal to provide VALUE in the handling OF all aspects in not just ONE, but several trades including Mechanical, Electrical, and Plumbing (MEP) for building systems so a customer only needs one service provider. 

Dedicated and conscious of our employees, our community, and our customers, D/E/F Services Group has been serving New England for twenty years and as we Build Our Value have become the one call our customers make for a contractor that can do it all.  

One Contractor, One Call, One Relationship – We provide the VALUE OF ONE


OUR CORE Services





Energy Efficiency