| Business | Phone |
| Eagle Creek Machining Co 1305 Erie Ct, Crown Point 46307 | (219) 661-1809 |
| Engineered Products Corp 1240 Arrowhead Ct, Crown Point 46307 | (219) 662-2080 |
| Imco Industrial Machine Corp 1201 Merrillville Rd, Crown Point 46307 | (219) 663-6100 |
| Merz Machine & Tool 916 N Main St, Crown Point 46307 | (219) 663-3863 |