| Business | Phone |
| Cornerstone Concrete & Constr 4251 22nd St, Dorr 49323 | (616) 681-2889 |
| Cornerstone Contracting 3328 142nd Ave, Dorr 49323 | (616) 896-1540 |
| Koopman Concrete Inc 4143 Cottontail Ct, Dorr 49323 | (616) 896-8710 |
| Proline Concrete Pumping Inc 4185 Pro Line Ct A, Dorr 49323 | (616) 877-5212 |
| Wever Concrete 4236 Park St, Dorr 49323 | (616) 681-2101 |