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Our History

In 1993, Master Electrician Greg Sarangoulis saw the need for a single subcontractor to design, install and service all the major mechanical systems (electrical, plumbing and HVAC). Greg believed that the logistics of having one company manage all these projects, rather than 3 or 4 companies, would lead to improved efficency; ultimately, the job(s) would be more managable and affordable for the contractor/owner. Having a ``one-stop-shop`` approach was an instant success and Greg's Mechanical, Inc. was offically in business.


In 2000, Greg Mechanical, Inc. was changed to GMI First, Inc, ``The name change reflects the growth of the company that provides a variety of professional and construction services.`` In 2007 GMI First, Inc. brought Steve Symons on board to help grow the GMI brand with his experience and knowledge in the mechanical trades. Today, with over twenty five years in business, GMI First, Inc. has created and bulit a reputable image for today's market. Located at 328 Buttonwood Street in the heart of Reading, Pennsylvania, GMI First, Inc. continues to prosper as a full-service mechical subcontractor for various commerical, residential and light-industrial projects throughout Pennsylvania, New Jersey, Delaware and Maryland.


Today, from our 24,000-square-foot headquarters at 328 Buttonwood Street in Reading, PA GMI First designs, constructs, and services Electrical, Plumbing, HVAC and Sprinkler Systems for numerous residential & commerical projects throughout Berks, Lehigh, Northampton, Lancaster, Chester, Montgomery and Schuylkill Counties in Pennsylvania, New Jersey, Delaware and Maryland.

Get in touch

328 Buttonwood St,
Reading PA 19601,
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