| Business | Phone |
| Conrad Yelvington Distributors 1700 Frontage Rd Sw, Grand Rapids 49503 | (616) 452-4801 |
| Riverfront Sand & Ready Mix 1400 Maynard Ave Sw, Grand Rapids 49534 | (616) 453-7452 |
| Grand Rapids Gravel Co 3401 Veterans Memorial Dr Sw, Grand Rapids 49544 | (616) 538-9000 |
| Koster Farms Contracting O-10763 Linden Dr Nw, Grand Rapids 49534 | (616) 677-5818 |
| Vermeulen & Assoc Inc 3725 Duchess Ave Se, Grand Rapids 49506 | (616) 877-0110 |
| Parker Excavating Gravel & Rcy 295 Hayes St Nw, Grand Rapids 49544 | (616) 784-1681 |
| Ottawa Aggregates Inc 11248 Linden Dr Nw, Grand Rapids 49534 | (616) 677-6190 |
| Ottawa Aggregates Inc 4640 Coit Ave Ne, Grand Rapids 49525 | (616) 363-6408 |
| Ottawa Aggregates Inc O-10600 Linden Dr Nw, Grand Rapids 49534 | (616) 677-2902 |