David Martin

GPD Construction Holdings, Inc. operates as a holding company. The company is headquartered in Akron, OH.

Stone Mountain Technologies Inc. creates innovative and economical comfort solutions for space heating, water heating, and pool heating. The company is based in Johnson City, TN. The team includes Scott Reed as VP of Marketing & Strategy, Dave Monk as VP of Engineering & Operations, Nick Hitchcock as Manager of Manufacturing Engineering, and Matthew Blaylock as Manager of Product Engineering. The company specializes in sorption heat pumps for residential and light commercial applications. Stone Mountain Technologies has been featured in various publications, including raising $15M in a series A to decarbonize building heating and announcing the next round of investment with Enbridge Inc. The company was founded by Michael Garrabrant, who has been the CEO since incorporation.

GPD Services Co., Inc. engages in the provision of construction services. It offers construction management, general contractor, project and program management, project tracking, design and build, testing and special inspections, mapping and field verification, permitting, due diligence, zoning and entitlement, site investigation reports, site development, and build-to-suit services. The company was founded in 1981 and is headquartered in Akron, OH.