| Company | City | State / Province | Country | Phone | Website |
|---|---|---|---|---|---|
| RidgeRock Retaining Walls | Charlotte | NC | US | (704) 504-3358 | ridge-rock.com |
| Robinson Brick Company | Billings | MT | US | (423) 282-4661 | |
| Rochester Concrete Products | Rochester | MN | US | (507) 288-8850 | rochestercp.com |
| Rochester Concrete Products - Beaver Dam | Juneau | WI | US | (507) 288-8850 | rochestercp.com |
| Rochester Concrete Products - Jordan | Jordan | MN | US | (507) 288-8850 | rochestercp.com |
| Rochester Concrete Products - Rochester | Rochester | MN | US | (507) 288-8850 | rochestercp.com |
| Rochester Concrete Products - Thorp | Thorp | WI | US | (507) 288-8850 | rochestercp.com |
| S-BIC Company, Ltd. | Taksaki-shi Gunma-ken | JP | (027) 384-4190 | s-bic.co.jp | |
| Santerra Stonecraft | Amherstburg | ON | CA | (519) 726-5444 | santerrastonecraft.com |
| Sessler Building Materials Inc, dba Barnes & Cone | Syracuse | NY | US | (315) 437-0305 | barnesandcone.com |
Concrete Masonry & Hardscapes Association