| Company | City | State / Province | Country | Phone | Website |
|---|---|---|---|---|---|
| IDEAL Block | Waltham | MA | US | (978) 692-3076 | idealblock.com |
| Interlock Concrete Products Inc | Jordan | MN | US | (204) 326-3445 | interlock-concrete.com |
| Interlock Concrete Products, Inc. | Jordan | MN | US | (204) 326-3445 | interlock-concrete.com |
| Jandris Block | Gardner | MA | US | (978) 632-0089 | ajandris.com |
| Jewell, an Oldcastle Company | Dallas | TX | US | (770) 804-3363 | .customstone.com |
| Jewell, an Oldcastle Company | Grapevine | TX | US | (770) 804-3363 | belgard.biz |
| Jewell, an Oldcastle Company | Katy | TX | US | (770) 804-3363 | |
| Jewell, an Oldcastle Company | Hurst | TX | US | (770) 804-3363 | |
| Jewell, an Oldcastle Company | Austin | TX | US | (770) 804-3363 | |
| Jewell, an Oldcastle Company | Rosenberg | TX | US | (770) 804-3363 |
Concrete Masonry and Hardscapes Association