| Business | Phone |
| B & B Machine Shop 252 East Ave # G, Chico 95926 | (530) 879-0620 |
| B & M Automotive Machine Shop 26 Jordans Pl # 100, Chico 95973 | (530) 343-7071 |
| Norcal Engines 925a Orange St, Chico 95928 | (530) 893-8224 |
| Putney's Custom Auto Machine 40 Rash Ln, Chico 95973 | (530) 892-1451 |
| Riebe's Machine Shop 175 E 20th St, Chico 95928 | (530) 342-4263 |