| Business | Phone |
| Dykstra Contractors Princeton 54968 | (920) 295-6984 |
| Green Lake Carpentry & Contr N5310 County Road T, Princeton 54968 | (920) 295-4449 |
| Krakow Construction 251 N 2nd St, Princeton 54968 | (608) 697-1247 |
| Mashuda Contractors N6504 Highway 73, Princeton 54968 | (920) 295-3329 |
| Mike Murphy Construction 222 W Main St, Princeton 54968 | (920) 295-6079 |
| T J Roofing & Contracting W3726 Hwy 23, Princeton 54968 | (920) 295-4182 |