| Business | Phone |
| Crown Point Chamber-Commerce 206 Courthouse Sq, Crown Point 46307 | (219) 663-1800 |
| Winfield Chamber Of Commerce 10649 Randolph St, Crown Point 46307 | (219) 226-0479 |
| Winfield Lofs Chamber-Cmmrc 1670 Sunnyslope Dr, Crown Point 46307 | (219) 988-4442 |