| Business | Phone |
| Up & Running Computer Svc N52w35475 W Lake Dr, Oconomowoc 53066 | (262) 569-9750 |
| Computer Craftsman Ltd 968 Chesterton Ct, Oconomowoc 53066 | (262) 567-2030 |
| Pendl Co 501 Cassie Lynn Ln, Oconomowoc 53066 | (262) 560-0527 |
| Lake Country Concrete Speclsts Po Box 657, Oconomowoc 53066 | (262) 560-4110 |
| Lightning Pc N48w37172 Wisconsin Ave, Oconomowoc 53066 | (262) 569-5754 |