| Business | Phone |
| A J Beinschroth & Sons 18794 Sentenac Rd, Apple Valley 92307 | (760) 242-2101 |
| Dgrk Inc Apple Valley 92307 | (760) 961-8947 |
| Don Hilly Engineering 14040 Oden Dr, Apple Valley 92307 | (760) 247-1917 |
| So & Assoc 16209 Kamana Rd # 200, Apple Valley 92307 | (760) 242-2365 |