| Business | Phone |
| International Union-Oper Engrs N27w23233 Roundy Dr, Pewaukee 53072 | (262) 896-0139 |
| Operating Engineers N27w23233 Roundy Dr, Pewaukee 53072 | (262) 549-9190 |
| Milw Carpenters Dist Council N25w23055 Paul Rd, Pewaukee 53072 | (262) 970-5790 |
| Milwaukee & Southern Wisconsin N25w23055 Paul Rd, Pewaukee 53072 | (262) 353-3000 |