| Business | Phone |
| Atkinson Construction 425 N Behlman Rd, Oak Harbor 43449 | (419) 898-1237 |
| Blair Group 2535 S State Route 19, Oak Harbor 43449 | (419) 898-8186 |
| Curt Rieff Builders 7529 W Beier Rd, Oak Harbor 43449 | (419) 898-5216 |
| Lee Harder Builders Inc 920 S Lickert Harder Rd, Oak Harbor 43449 | (419) 898-0767 |
| Toussaint Developers 238 E Walnut St, Oak Harbor 43449 | (419) 898-3049 |
| Unilliance Inc 3346 S 4 Mile House Rd, Oak Harbor 43449 | (419) 898-4438 |