| Business | Phone |
| Antonneau-Wood Builders Inc 1654 12th Ave, Grafton 53024 | (262) 377-3890 |
| Carstensen Construction 1335 11th Ave, Grafton 53024 | (262) 377-5622 |
| Isec Inc 1895 Shady Ln, Grafton 53024 | (262) 376-8842 |
| Keshemberg Builders Inc 1724 Maple Rd, Grafton 53024 | (262) 377-8783 |
| Kratz Construction Inc 1920 Ulao Pkwy, Grafton 53024 | (262) 375-3720 |
| Robert G Hoffmann Co 1680 Sharon Ln, Grafton 53024 | (262) 377-6878 |