| Business | Phone |
| Answers Inc 450 Weidman Rd, Ballwin 63011 | (636) 386-6707 |
| Architectural Studios 233 Old Meramec Station Rd, Ballwin 63021 | (636) 256-0055 |
| Tec Plus 301 Sovereign Ct # 203a, Ballwin 63011 | (636) 230-8822 |
| Steven Dye Architects 482 Sunstone Dr, Ballwin 63011 | (636) 527-5600 |
| Pfaff Partnership 180 S Weidman Rd # 218, Ballwin 63021 | (636) 256-0666 |
| Jones Mayer Architecture Inc 884 Woods Mill Rd, Ballwin 63011 | (636) 256-3800 |
| Jeffrey Bumb Architect Inc 13610 Barrett Office Dr # 205, Ballwin 63021 | (314) 909-1311 |
| Hampton Architecture 501 Old State Rd # A, Ballwin 63021 | (636) 256-6500 |
| Bruns-Pak 2535 Newpoint Dr, Ballwin 63011 | (636) 273-4390 |
| Charles L Willis Iii & Assoc 114 Holloway Rd, Ballwin 63011 | (636) 394-6857 |