| Business | Phone |
| Fredericksen Engineering Inc 12308n Corporate Pkwy 400, Thiensville 53092 | (262) 243-9090 |
| J F Higgins Consulting 511 Madero Dr, Thiensville 53092 | (262) 242-5563 |
| Meehanite Metal Corp 11431 N Port Washington 201, Thiensville 53092 | (262) 240-0210 |