Company Name  | Name | Board Title | City | State | Phone |
| Angelus Block Co. | Edward Antonini | Associate Director | Sun Valley | CA | 818-767-8576 |
| Basalite Concrete Products, LLC | Dale Piwinski | Associate Director | Dixon | CA | 707-678-1901 |
| Calstone | Logan Belton | Associate Director | Sunnyvale | CA | 408-984-8800 |
| Diablo Valley Masonry, Inc. | Avery Pratt | Past President | Danville | CA | 925-838-5308 |
| Masonry Technology, Inc. | Joel Guth | Founding Director/Vice President | Moreno Valley | CA | 951-653-5700 |
| NuWay Masonry, Inc. | Roger Coons | Founding Director | Riverside | CA | 951-681-9052 |
| Orco Block Co., Inc. | Rick Muth | Associate Director | Stanton | CA | 714-527-2239 |
| Pacific Bay Masonry, Inc. | Ray Wetmore | Secretary | San Jose | CA | 408-971-4900 |
| R C P Block & Brick, Inc. | Gene Chubb | Associate Director | Lemon Grove | CA | 619-460-7250 |
| TMC Masonry | Tim McGordy | Treasure | Boise | ID | 208-331-8301 |