| Business | Phone |
| Aurora Software Inc 11512 N Port Washington 201k, Thiensville 53092 | (262) 241-8558 |
| Cserve Corp 10412 N Baehr Rd, Thiensville 53092 | (262) 238-0272 |
| Eagle Technology Inc 10500 N Port Washington 300, Thiensville 53092 | (262) 241-3845 |
| Echelon 4 Corp 1045 W Glen Oaks Ln 202, Thiensville 53092 | (262) 240-2956 |
| International Data Corp 1009 W Glen Oaks Ln 206, Thiensville 53092 | (262) 240-9707 |
| Lake Co Inc 1317 W Towne Square Rd, Thiensville 53092 | (262) 241-5412 |
| Matrixone 11512 N Port Washington 201, Thiensville 53092 | (262) 241-5735 |
| Msi Data Systems 10500 N Port Washington 301, Thiensville 53092 | (262) 241-7800 |
| O'Brien Consulting Thiensville 53092 | (262) 241-9119 |
| Peter Storer & Assoc 1361 W Towne Square Rd, Thiensville 53092 | (262) 241-9005 |
| Simulation Technology 11520 N Port Washington Rd, Thiensville 53092 | (262) 240-0291 |
| Professional Computer Group 213 E Freistadt Rd, Thiensville 53092 | (262) 242-5160 |
| Quant Ix Software 1035 W Glen Oaks Ln 204, Thiensville 53092 | (262) 241-3990 |
| Rsa Security Inc 1001 W Glen Oaks Ln 211, Thiensville 53092 | (262) 241-9120 |