| Business | Phone |
| Anderson Engineering Inc 5655 N 28th Ave, Wausau 54401 | (715) 675-2974 |
| Baars Mechanical Design 4202 Kinglet Cir, Wausau 54401 | (715) 359-5151 |
| Becher-Hoppe Assoc Inc 330 4th St, Wausau 54403 | (715) 845-8000 |
| Elbert Engineering 3245 8th St, Wausau 54403 | (715) 842-1909 |
| Iacona Wausau 54403 | (715) 842-1286 |
| Jrw Enterprises 2818 Glendale Ave, Wausau 54401 | (715) 845-2782 |
| Lang Associates Inc 510 N 17th Ave, Wausau 54401 | (715) 845-1333 |
| Tetra Tech 555 S 72nd Ave, Wausau 54401 | (715) 845-4100 |
| Rei 4080 N 20th Ave, Wausau 54401 | (715) 675-9784 |
| W J Higgins & Assoc 6241 Packer Dr, Wausau 54401 | (715) 848-8677 |
| Rvt Engineering Svc 1613 Mccarthy Blvd, Wausau 54401 | (715) 675-0700 |
| Short Elliott Hendrickson Inc 1500 Merrill Ave, Wausau 54401 | (715) 675-1131 |