| Business | Phone |
| Heindrichs Machine Products 350 Market St, Kenilworth 7033 | (908) 245-8690 |
| J O Tool & Manufacturer Co 835 Fairfield Ave, Kenilworth 7033 | (908) 241-8113 |
| Jersey Machine & Tool Co 160 N 8th St, Kenilworth 7033 | (908) 276-6530 |
| Jjj Machine & Drilling Inc 745 Lexington Ave, Kenilworth 7033 | (908) 241-3984 |
| Jmc Tool & Manufacturer Co 845 Fairfield Ave, Kenilworth 7033 | (908) 241-8950 |
| Lmk Waterjet 835 Fairfield Ave, Kenilworth 7033 | (908) 241-5858 |