| Business | Phone |
| Concorde Consulting Group 4511 E Sunny Dunes Rd # E, Palm Springs 92264 | (760) 322-8626 |
| Campbell Engineering Inc 303 N Indian Canyon Dr, Palm Springs 92262 | (760) 318-7743 |
| Johnson & Nielsen Assoc 641 E Louise Dr, Palm Springs 92262 | (760) 322-0583 |