1. In Touch Systems 1520 Airport Rd, Sumter, SC 29153 Coordinate: 33.96307,-80.34933 Phone: (803) 778-2320
2. FTC Wireless 1280 Peach Orchard Rd, Sumter, SC 29154 Coordinate: 33.95578,-80.49905 Phone: (803) 494-4327