| Business | Phone |
| A-1 Machining Co 425 Napoleon Rd, Bowling Green 43402 | (419) 353-3838 |
| Davis Cnc Mach Svc & Sales 420 Industrial Pkwy, Bowling Green 43402 | (419) 353-2922 |
| Martin Machine & Tool Inc 435 W Woodland Cir, Bowling Green 43402 | (419) 373-1711 |
| Mazey Machining 504 E Woodland Cir, Bowling Green 43402 | (419) 354-7110 |