The current list is outdated to a large degree. We will request that consultants who desire to be listed here re-input their information to be sure it is current.
| Firm | Location(s) | Website (new window) |
| Kittelson & Associates, Inc. | Anaheim | http://www.kittelson.com |
| KOA Corporation | Monterey Park Orange Ontario San Diego | http://www.koacorp.com |
| Kritzinger + Rao | LOS ANGELES | http://www.krdesigninc.com |
| Land Econ Group LLC | San Francisco | http://landecongroup.com |
| Land Use Developers Corp. | Los Angeles | http://www.landusedevelopers.com |
| Lisa Wise Consulting | San Luis Obispo Los Angeles San Francisco | http://www.lisawiseconsulting.com/ |
| MIG, Inc. | Berkeley Pasadena Riverside Fullerton | http://www.migcom.com |
| Moffatt & Nichol | Long Beach Walnut Creek San Diego Oakland | http://moffattnichol.com |
| NV5 | San Diego | https://www.nv5.com/services/environmental-services/ |
| PlaceWorks | Santa Ana Los Angeles | http://www.placeworks.com |
| PM Environmental | Long Beach | http://www.pmenv.com |
| PMC | Torrance San Diego | http://www.pmcworld.com |
