| Business | Phone |
| B & B Red-I-Mix Concrete Inc 590 Live Oak Ave, Irwindale 91706 | (626) 359-8371 |
| Chaparral Concrete Co 13000 Los Angeles St, Irwindale 91706 | (626) 813-4383 |
| Standard Concrete Products Co 13550 Live Oak Ln, Irwindale 91706 | (626) 303-1919 |
| United Rock Products Corp 1245 Arrow Hwy, Irwindale 91706 | (626) 358-4558 |
| Robertson's Ready Mix Irwindale 91706 | (626) 358-9835 |