| Business | Phone |
| Signtronix 1860 Executive Dr # B1, Oconomowoc 53066 | (262) 560-9646 |
| Oconomowoc Sign Co N58w39785 State Road 16, Oconomowoc 53066 | (262) 567-6115 |
| O'Connor Sign Planning & Dsgn N52w35966 Country Club Ln, Oconomowoc 53066 | (262) 569-1749 |
| Lange Enterprises 1131 W 2nd St, Oconomowoc 53066 | (262) 567-9541 |