| Business | Phone |
| Accurate Measurement Systems 2360 N Lindbergh Blvd, St Louis 63114 | (314) 890-0002 |
| Westhoff Machine Co 9462 Watson Industrial Park, St Louis 63126 | (314) 963-7130 |
| New Century Machine Tools 7157 Waterman Ave, St Louis 63130 | (314) 727-9050 |
| Hydromat Inc 2341 Seven Pines Dr, St Louis 63146 | (314) 439-0139 |
| Icon Machine Tool Inc 4622 Skyridge Dr, St Louis 63128 | (314) 277-6602 |
| Hartwig Inc 10617 Trenton Ave, St Louis 63132 | (314) 426-5300 |
| Dynamic Machine Tool Ltd 84 Hubble Dr # 200, St Louis 63141 | (314) 447-2900 |