| Business | Phone |
| Danix Corp 501 N Court St, Crown Point 46307 | (219) 663-9545 |
| Infiltrator Systems 1330 Arrowhead Ct, Crown Point 46307 | (219) 226-1750 |
| Dan Lafond 10971 Four Seasons Pl, Crown Point 46307 | (219) 663-1677 |
| Little Sales & Marketing Inc 101 E North St, Crown Point 46307 | (219) 662-6888 |
| Rah Assoc 832 Shannon Dr, Crown Point 46307 | (219) 226-0539 |
| Smith Assocs 10996 Four Seasons Pl, Crown Point 46307 | (219) 663-0838 |