- Alameda Mosquito Control District
- AWI Training Institutes (2015-2019)
- City of Anaheim
- City of Baldwin Park
- City of Beverly Hills
- Biscomerica
- City of Buena Park
- California Crime Lab Directors
- California Sanitation Risk Management Authority
- City of Calimesa
- City of Calexico
- City of Carlsbad
- Castaic Lake Water Agency
- Coachella Valley Vector Control Distr
- Alameda Mosquito Control District
- AWI Training Institutes (2015-2019)
- City of Anaheim
- City of Baldwin Park
- City of Beverly Hills
- Biscomerica
- City of Buena Park
- California Crime Lab Directors
- California Sanitation Risk Management Authority
- City of Calimesa
- City of Calexico
- City of Carlsbad
- Castaic Lake Water Agency
- Coachella Valley Vector Control District
- Conejo Recreation and Park District
- City of Costa Mesa
- County of Contra Costa Housing Authority
- Costa Mesa Sanitation District
- City of Desert Hot Springs
- Eastern Metropolitan Water District
- City of El Segundo
- El Toro Water District
- City of Fontana
- Foothill Metropolitan Water District
- City of Goleta
- City of Glendale
- City of Hesperia
- Housing Authority for the City of Los Angeles
- County of Imperial
- City of Indian Wells
- Inland Area Public Management Association
- Inland Empire Utility Agency
- City of Irvine
- Jurupa Community Service District
- City of Lancaster
- Liebert Cassidy Whitmore Annual Client Conferences
- City of Long Beach
- Los Angeles County Child Support Services
- Los Angeles County District Attorneys’ Office
- Los Angeles County Public Defend
- City of Indian Wells
- Inland Area Public Management Association
- Inland Empire Utility Agency
- City of Irvine
- Jurupa Community Service District
- City of Lancaster
- Liebert Cassidy Whitmore Annual Client Conferences
- City of Long Beach
- Los Angeles County Child Support Services
- Los Angeles County District Attorneys’ Office
- Los Angeles County Public Defenders’ Office
- Los Angeles County Sanitation District
- Los Angeles Superior Court
- City of Lynwood
- City of Los Angeles
- County of Los Angeles
- City of Montclair
- City of Manhattan Beach
- City of Monterey Park
- Metropolitan Water District
- Mt. San Antonio Community College
- City of Montclair
- City of Murrieta
- City of Newport Beach
- North County Fire Protection District
- Orange County Superior Court
- Orange County Vector Control District
- City of Ontario
- County of Orange
- City of Oxnard
- PARMA (Public Agency Risk Managers Association)
- City of Pasadena
- Pasadena City College
- PIHRA (Professional in Human Resources Association)
- City of Rancho Cucamonga
- City of Redondo Beach
- Rio Hondo College
- City of Rosemead
- San Bernardino County Department of Social Services
- San Bernardino Child Support Services
- City of San Bernardino Metropolitan Water District
- City of San Luis Obispo
- County of Sa
- City of Pasadena
- Pasadena City College
- PIHRA (Professional in Human Resources Association)
- City of Rancho Cucamonga
- City of Redondo Beach
- Rio Hondo College
- City of Rosemead
- San Bernardino County Department of Social Services
- San Bernardino Child Support Services
- City of San Bernardino Metropolitan Water District
- City of San Luis Obispo
- County of San Luis Obispo
- City of Santa Barbara
- County of Santa Barbara
- Santa Barbara County Air Pollution Control District
- City of Santa Maria
- City of Santa Monica
- City of Simi Valley
- City of South Gate
- City of South Pasadena
- City of Temecula
- Tri-City Mental Health District
- City of Torrance
- Vallecitos Water District
- City of Ventura
- County of Ventura
- County of Ventura Human Services Agency
- West Valley Mosquito and Vector Control District
- Yorba Linda Water District