EFI distributes of a range of energy and water conservation related products, including compact fluorescent lightbulbs, ventilation fans, weatherization materials, and water conservation devices.

High temperature vacuum/inert gas atmosphere furnace designed specifically for university, industrial, and government research laboratories.

Energy conservation analysis from Trinidad Engineering, Inc.

Corrado Building & Remodeling expert craftsmanship in carpentry, renovation and new home construction in the Metro West Massachusetts area.

Vantage Builders incorporated in 2000 to provide general contracting services to corporations, developers, property managers, retailers and private institutions throughout New England. The founders and principals of Vantage, John Connor, Ed Silva and Jim Taylor, have more than fifteen years of experience managing and building commercial projects ranging from specialized tenant build-outs and ...