MACHINING/WELDING & MANUFACTURING MDS Manufacturing Co., Inc.1301 S. SD Hwy 37(605) 928-7951www.mdsmfg.com Murtha Repair, Inc.1005 S. First St.(605) 928-3361www.santel.net/~murtharepair/ Parkston Precision Machining LLC105 N. SD Hwy 37(605) 928-7700