MJ Daly was founded in 1882 by Michael Joseph Daly as a small mechanical contracting firm using horse-drawn, wooden-wheeled trailers to deliver pipe and equipment to customers. Today, MJ Daly stands strong with decades of experience constructing and servicing buildings throughout Connecticut and Western Massachusetts. Our leading-edge approach in building information modeling (BIM), modular fabrication methodology, and integrated project delivery, provide MJ Daly a depth of expertise across a full range of system types.

Part of a Larger Group
MJ Daly is part of one of the largest Mechanical / HVAC Construction companies in New England – Arden Building Companies. Our multi-faceted group of geographically diverse firms provides building systems for new and existing buildings or facilities as well as service and maintenance for consistent performance at top efficiency.