According to our records, this business is located at P.O. BOX 409 in Milford (in Sussex County), Delaware 19963, the location GPS coordinates are: 38.9126129 (latitude), -75.4279748 (longitude). Key Builders Supply Inc is categorized under Hotel/Motel and Multi-Family Home Construction (SIC code 1522). Known organization president is Elmer Fanning. Current estimates show that the unit has a sales volume of $2,000,000 and staff of approximately 11 people. You can contact the company by phone at (302) 424-3650.