| Business | Phone |
| Technical Services Inc 2100 S Fox Trl, Sioux Falls 57103 | (605) 371-3526 |
| C & C Mfg Inc 1931 E 60th St N, Sioux Falls 57104 | (605) 357-0840 |
| Dakota Swiss 212 S Euclid Ave, Sioux Falls 57104 | (605) 988-9717 |
| De Raad Welding & Machine Inc 1421 E 54th St N, Sioux Falls 57104 | (605) 335-3768 |
| Park Tool & Machine 1308 W Bailey St, Sioux Falls 57104 | (605) 332-9917 |
| Machining Services Inc 3501 N 1st Ave, Sioux Falls 57104 | (605) 357-8113 |