| Business | Phone |
| Cora Constructors 74885 Joni Dr # 4, Palm Desert 92260 | (760) 674-3201 |
| G R Underground Inc 39725 Garand Ln # A, Palm Desert 92211 | (760) 360-7994 |
| Cashman Pipeline Corp 77680 Mountain View Ave, Palm Desert 92211 | (760) 773-3100 |
| Jacobsson Engineering Constr 41625 Eclectic St, Palm Desert 92260 | (760) 340-0194 |
| Jha Engineering Inc 77-810 Las Montanas Road, Suite 201, Palm Desert 92211 | (760) 345-1352 |