GDS Contracting is a specialty commercial contractor located in Berlin, Conn. We specialize in: Gypsum Drywall Systems; Light Gage Metal Framing Systems; Thermal & Sound Insulation; Doors, Frames & Hardware; Acoustical Ceilings; Carpentry. GDS' projects range in size from small $1,000 renovations up to multi-million dollar hotels and living communities. Most projects we work on are primarily in, but not limited to, Connecticut, Massachusetts, Rhode Island, New York, North Carolina and South Carolina. We are proud to be an open shop contractor.