| Business | Phone |
| Milton's Automotive Head Svc 4539 Highway 80 W, Jackson 39209 | (601) 922-8131 |
| Novelty Machine Works Inc 3120 Highway 80 W, Jackson 39204 | (601) 948-2075 |
| Patrick Manufacturing Engineer 3165 W Northside Dr, Jackson 39213 | (601) 982-3742 |
| Portable Boring & Machine Wrks 5556 Cahill Dr, Jackson 39209 | (601) 922-9333 |
| S & S Auto Welding & Fab 410 Oneida Ave, Jackson 39212 | (601) 372-9749 |
| Sunbelt Manufacturing Co Inc 5752 Gallant Dr, Jackson 39206 | (601) 977-5292 |
| Ulmer Machine Co Inc 130 Aztec Dr, Jackson 39218 | (601) 939-5812 |
| United Die-Mold Inc 110 Beatty St, Jackson 39201 | (601) 352-7587 |
| Amerimac Manufacturing Corp 1902 Valley St, Jackson 39204 | (601) 948-1900 |
| Bryant's Machine Shop 5734 Highway 80 W, Jackson 39209 | (601) 922-1937 |
| Easley's Machine Shop Inc 4430 W Northside Dr, Jackson 39209 | (601) 922-1410 |
| D & B Machined Parts 199 Tomahawk Trl, Jackson 39208 | (601) 932-4299 |
| Jackson Cylinder Head Svc 545 Terry Rd, Jackson 39203 | (601) 353-1014 |