| Business | Phone |
| A & I Machine & Fabrication 8967 Castille Rd, Baton Rouge 70809 | (225) 753-7004 |
| Allements' Roberson Machine 930 Scenic Hwy, Baton Rouge 70802 | (225) 343-7165 |
| Ameritek Heat Treating & Field 10434 Mammoth Ave, Baton Rouge 70814 | (225) 387-8760 |
| Associated Technologies & Mfg 7284 Tom Dr, Baton Rouge 70806 | (225) 926-4045 |
| Custom Machining & Repair 10040 Mammoth Ave, Baton Rouge 70814 | (225) 924-4999 |
| Dacc Ltd Inc 5235 Adams Ave, Baton Rouge 70806 | (225) 357-5816 |
| David Brown Union Pumps Co 12742 Ronaldson Rd, Baton Rouge 70807 | (225) 775-2660 |
| Delta Machine & Supply 5185 Adams Ave, Baton Rouge 70806 | (225) 356-2000 |
| Dowty's Machine Works 12040 Plank Rd, Baton Rouge 70811 | (225) 774-1369 |
| J & C Machine Works & Fab Inc 1070 Neosho Ave, Baton Rouge 70802 | (225) 359-6117 |
| Lands Welding 267 Burgin Ave, Baton Rouge 70808 | (225) 766-1433 |
| Lawco Industrial Machine Works 3047 S Burnside & Highway 44amp;, Baton Rouge 70802 | (225) 343-2032 |
| Metal Works Corp 1820 Choctaw Dr, Baton Rouge 70805 | (225) 355-8891 |
| Superior Plant Svc 3020 Scenic Hwy, Baton Rouge 70805 | (225) 358-0300 |
| Plant Machine Works Inc 4633 Blount Rd, Baton Rouge 70807 | (225) 775-7163 |
| Precision Industries Inc 7978 S Choctaw Dr, Baton Rouge 70815 | (225) 924-5353 |
| Reliance Valve & Machine Inc 2579 Monterrey Dr, Baton Rouge 70814 | (225) 925-5889 |
| Salco Machining Svc 12626 Jefferson Hwy, Baton Rouge 70816 | (225) 756-5756 |
| Thermacon Manufacturing 2824 Fellsway Dr, Baton Rouge 70814 | (225) 923-3064 |
| A 1 Waterjet Svc Inc 11439 Pennywood Ave, Baton Rouge 70809 | (225) 753-1641 |