| Business | Phone |
| Central Wisconsin Engineers 5707 Schofield Ave, Schofield 54476 | (715) 359-9400 |
| Marathon Technical Svc 2000 Lester St, Schofield 54476 | (715) 843-7292 |
| Vierbicher Associates Inc 1521 Metro Dr 205, Schofield 54476 | (715) 359-2003 |
| Sts Consultants Ltd 3909 Concord St, Schofield 54476 | (715) 355-4304 |