| Business | Phone |
| Demtech Service Inc 6414 Capitol Ave, Diamond Springs 95619 | (530) 621-3200 |
| Mc Daniel Manufacturing Co 6180 Enterprise Dr, Diamond Springs 95619 | (530) 626-6336 |
| Airpoint Precision Inc 6221 Enterprise Dr # D, Diamond Springs 95619 | (530) 622-0510 |
| Bravo Machining 6101 Enterprise Dr, Diamond Springs 95619 | (530) 626-3520 |
| Excalibur Machining 6566 Commerce Way, Diamond Springs 95619 | (530) 295-9440 |
| Graduate Nc Machining 6411 Capitol Ave, Diamond Springs 95619 | (530) 626-6974 |
| Matteson Machine 6411 Capitol Ave, Diamond Springs 95619 | (530) 626-4163 |
| Medtec 512 Main St # 8, Diamond Springs 95619 | (530) 295-0865 |
| O R Tool Works 6125 Enterprise Dr # 6, Diamond Springs 95619 | (530) 621-4088 |
| Sunol Prototype Machines 6100 Enterprise Dr, Diamond Springs 95619 | (530) 295-0783 |