| Business | Phone |
| J K Excavation & Grading 10206 Elm Ave, Fontana 92335 | (909) 357-1800 |
| Kelmac Tractor Svc 7320 Buckeye Dr, Fontana 92336 | (909) 463-4635 |
| Lazer Backhoe Svc 9267 Olive St, Fontana 92335 | (909) 428-5873 |
| Loal Construction Inc 9657 Sewell Ave, Fontana 92335 | (909) 877-0570 |
| M H Uyekawa Co 14228 Santa Ana Ave, Fontana 92337 | (909) 428-1777 |
| Ranney Brothers Constr Inc 17004 Walnut Ct, Fontana 92336 | (909) 429-7881 |
| Sanchez Grading 13981 Rose Ave, Fontana 92337 | (909) 357-3888 |