| ABR Consulting | - Phoenix, Arizona |
| AllenConsulting | - Mesa, Arizona |
| Atwell | - Mesa, Arizona |
| Bender & Associates | - Irvine, California |
| Betsy Ivey (Contractor) | - Phoenix, Arizona |
| BraCADD | - Buckeye, Arizona |
| Brad McClellan (Contractor) | - Tempe, Arizona |
| CanAm | - Mesa, Arizona |
| Jacobs/Carter & Burgess | - Dallas, Texas |
| Jacobs/Carter & Burgess | - Phoenix, Arizona |
| CES-LandTec | - Colton, California |
| CMX | - Parsippany, New Jersey |
| CMX | - Phoenix, Arizona |
| CMX | - Mesa, Arizona |
| CMX | - Chihuahua, Mexico |
| Coe & Van Loo Consulting | - Phoenix, Arizona |
| DEI | - Phoenix, Arizona |
| DZ Engineering | - Phoenix, Arizona |
| Fichtner Engineering | - Chennai, India |
| Francisco Bobadilla (Contractor) | - Mesa, Arizona |
| Garner Group | - Mesa, Arizona |
| HilgartWilson | - Phoenix, Arizona |
| Hunter Engineering | - Phoenix, Arizona |
| Jack West (Contractor) | - South Carolina |
| JMA | - Scottsdale, Arizona |
| Kimley-Horn Associates | - Phoenix, Arizona |
| Kimley-Horn Associates | - Tucson, Arizona |
| Kimley-Horn Associates | - Avondale, Arizona |
| KPFF | - Phoenix, Arizona |
| LA CAD | - Los Angeles, California |
| M2 Group | - Mesa, Arizona |
| M2 Group | - Hermasillo, Mexico |
| Manhard Consulting | - Phoenix, Arizona |
| Olsson Associates | - Phoenix, Arizona |
| Pender Engineering | - Cottonwood, Arizona |
| Pentacor | - Scottsdale, Arizona |
| Premier Engineering Corp. | - Phoenix, Arizona |
| Slater-Hanifan | - Las Vegas, Nevada |
| Southwest Land Consulting | - Phoenix, Arizona |
| Stanley Consultants | - Phoenix, Arizona |
| The Keith Companies TTG Corporation |
- Scottsdale, Arizona - Phoenix, Arizona |
| United Engineering Group | - Chandler, Arizona |
| Walter Click (Contractor) | - Phoenix, Arizona |
| West Company | - Scottsdale, Arizona |
| WRG | - Phoenix, Arizona |
| Horrocks | - Phoenix, Arizona |


