| Company | City | State / Province | Country | Phone | Website |
|---|---|---|---|---|---|
| W. W. Thompson Concrete Products | Cohasset | MN | US | (218) 328-6296 | cohassetconcreteproducts.com |
| W.W. Thompson Concrete Products Co. | Brainerd | MN | US | (218) 829-9674 | wwthompson.com |
| Watkins Concrete Block Company, Inc. | Omaha | NE | US | (402) 896-0900 | watkinsconcreteblock.com |
| Wausau Tile | Wausau | WI | US | (715) 359-3121 | wausautile.com |
| Wausau Tile | Wausau | WI | US | (715) 241-0324 | wausautile.com |
| Western Interlock | Rickreall | OR | US | (503) 623-9084 | westerninterlock.com |
| Western Materials, Inc. | Yakima | WA | US | (509) 575-3000 | westernmaterials.com |
| Western Materials, Inc. | Vancouver | WA | US | (509) 575-3000 | |
| Westlake Royal Building Products | San Marcos | CA | US | (800) 925-1491 | eldoradostone.com |
| Westlake Royal Building Products | Irvine | CA | US | (770) 645-4500 |
Concrete Masonry and Hardscapes Association