| Business | Phone |
| Accu Right Technology 392 W Larch Rd, Tracy 95304 | (209) 832-4588 |
| All-Am Machining Inc 4160 Commercial Dr # A, Tracy 95304 | (209) 833-1302 |
| Boss Tool & Manufacturer Co Inc 25445 S Schulte Rd, Tracy 95377 | (209) 832-9760 |
| Concentric Percision Machining 950 E Grant Line Rd, Tracy 95304 | (209) 832-9953 |
| Henry's Machine Co 392 W Larch Rd # 23, Tracy 95304 | (209) 832-8228 |
| L & S Machine Tracy 95376 | (209) 836-2297 |
| Motion Devices Engineering 300 W Larch Rd, Tracy 95304 | (209) 833-3441 |
| Motorsports Manufacturer 232 W Larch Rd, Tracy 95304 | (209) 836-1090 |
| N Q Engineering Svc 7470 Carmelo Ct, Tracy 95304 | (209) 836-3255 |
| Omega Precision Machine 320 W Larch Rd # 15, Tracy 95304 | (209) 833-6502 |
| Paragon Co 1311 Claremont Dr, Tracy 95376 | (209) 836-2097 |
| United Equipment Manufacturer 1852 W 11th St # 471, Tracy 95376 | (209) 832-2226 |
| Wai's Machine Co 392 W Larch Rd, Tracy 95304 | (209) 834-2455 |