| Business | Phone |
| California Style Construction Northridge 91324 | (818) 349-3626 |
| Dodd B Concrete 19467 Merridy St, Northridge 91324 | (818) 341-9432 |
| Icon Concrete Design Northridge 91324 | (818) 298-0806 |
| Us Concrete Design 19151 Parthenia St # D, Northridge 91324 | (818) 998-9220 |
| Concord Concrete Masonary Inc 8730 Etiwanda Ave, Northridge 91325 | (818) 349-3992 |