| Business | Phone |
| Wayne G Lischka Architectural 8009 Lee Blvd, Leawood 66206 | (913) 642-1000 |
| Pinnacle Engineering Inc 15405 Aberdeen St, Leawood 66224 | (913) 814-9977 |
| Dupont Refinery Solutions 11350 Tomahawk Creek Pkwy #150, Leawood 66211 | (913) 338-2559 |
| Larson Binkley Inc 8900 State Line Rd # 150, Leawood 66206 | (913) 383-2621 |