| Business | Phone |
| Back Country Backhoe Po Box 2673, Valley Center 92082 | (760) 749-8800 |
| Donaldson Backhoe Po Box 2524, Valley Center 92082 | (760) 749-0302 |
| J C Grading Inc Po Box 2202, Valley Center 92082 | (760) 749-2246 |
| T S Construction Valley Center 92082 | (760) 749-9791 |
| Sorrento Valley Construction 28960 Lilac Rd # C, Valley Center 92082 | (760) 749-2211 |
| Accurate Backhoe Svc Engineer 15590 Eva De Luca Way, Valley Center 92082 | (760) 742-8997 |