| Business | Phone |
| Buerki Brennan Assoc 10134 N Port Washington Rd, Thiensville 53092 | (262) 241-4446 |
| Building Evaluation & Design Thiensville 53092 | (262) 240-2510 |
| Evans Associates 210 S Main St, Thiensville 53092 | (262) 242-6000 |
| Parsons Brinckerhoff 501 E Freistadt Rd, Thiensville 53092 | (262) 236-3746 |