| Business | Phone |
| Carras-Szany Kuhn & Assoc Inc 6919 Lincoln Hwy, Crown Point 46307 | (219) 322-5950 |
| In Architects & Planners Inc 305 Courthouse Sq # 305, Crown Point 46307 | (219) 663-6046 |
| Jds/Aia Architects Inc 1001 Merrillville Rd, Crown Point 46307 | (219) 662-0381 |
| R Keilman & Assoc 111 1/2 W Joliet St, Crown Point 46307 | (219) 662-0580 |