According to our records, this business is located at 701 Mccolley St. in Milford (in Sussex County), Delaware 19963, the location GPS coordinates are: 38.9029698 (latitude), -75.4243163 (longitude). Key Builders Supply Co is categorized under Siding Materials (SIC code 5211). Known organization president is Elmer Fannin. Current estimates show that the unit has a sales volume of $2,838,000 and staff of approximately 11 people. You can contact the company by phone at (302) 424-3650; the following fax number is also provided: (302) 424-6353.