| AGENCY | Address | City, State, Zip | Name | Phone | E-mail Address |
| LA County | 1000 S. Fremont Ave | Alhambra, CA 91803 | Jane White, P.E. | 626-300-2020 | jwhite@ladpw.org |
| City of Downey | 11111 Brookshire Ave | Downey, CA 90241 | Desi Alvarez | 562-904-7102 | dalvarez@downeyca.org |
| City of Norwalk | 12700 Norwalk Blvd. | Norwalk, CA 90651 | Delfino Consunji | 562-929-5727 | cconsunji@ci.norwalk.ca.us |
| City of Santa Fe Springs | 11710 Telegraph Rd. | Santa Fe Springs, CA 90670 | Robert Garcia | 562-868-0511 Ext. 7543 | robertgarcia@santafesprings.org |
| City of Paramount | 16400 Colorado Avenue | Paramount, CA 90723 | Bill Pagett | 562-220-2020 | bpagett@paramountcity.com |
| City of Compton | 205 S. Willowbrook | Compton, CA 90220 | Charles Bergson | 310-605-5505 | |
| City of Lynwood | 11330 Bullis Rd. | Lynwood, CA 90262 | Paul Nguyen | 310-603-0220 Ext. 287 | Pnguyen@lynwood.ca.us |
| City of La Mirada | 13700 La Mirada Blvd. | La Mirada, CA 90638 | Steve Forster | 562-902-2371 | sforster@cityoflamirada.org |
| City of South Gate | 8650 California Ave. | South Gate, CA 90280 | Mohammad Mostahkami, P.E. | 323-563-9582 | mmostahkami@sogate.org |
| City of Bellflower | 16600 Civic Center Dr. | Bellflower, CA 90706 | Jerry Stock | 562-804-1424 Ext. 2218 | jstock@bellflower.org |
| Caltrans | 100 S. Main St. | Los Angeles, CA 90012 | Romy Salvador | 213-897-0296 | s110722@dot.ca.gov |
