- Agoura Hills
- Alhambra
- Anaheim
- Avalon
- Azusa
- Barstow
- Bishop
- Bell Gardens
- Beverly Hills
- Brentwood
- Buena Park
- Burbank
- Carlsbad
- Cathedral City
- Cerritos
- Clovis
- Chula Vista
- Coachella
- Colton
- Costa Mesa
- Covina
- Coronado
- Del Mar
- Downey
- El Centro
- El Monte
- El Segundo
- Encinitas
- Escondido
- Eureka
- Fountain Valley
- Fullerton
- Gardena
- Glendora
- Hawthorne
- Hemet
- Hermosa Beach
- Huntington Beach
- Indio
- Irvine
- Laguna Beach
- Laguna Hills
- Laguna Niguel
- La Habra
- Lake Forest
- La Mesa
- La Puente
- Long Beach
- Manhattan Beach
- Montebello
- Monterey Park
- Moorpark
- Murrieta
- Newport Beach
- Palmdale
- Pasadena
- Paso Robles
- Redlands
- Redondo Beach
- Reedley
- Rancho Cucamonga
- Rialto
- County of Riverside
- San Bernardino
- San Fernando
- San Gabriel
- San Marino
- City of Santa Barbara
- County of Santa Barbara
- Santa Monica
- Santee
- Seal Beach
- Sierra Madre
- Signal Hill
- Solvang
- South Pasadena
- Torrance
- Upland
- Victorville
- West Covina
- Westminster
*represents all city departments JL Group has worked with, including police and fire departments
Public Agencies
- Coachella Valley Mosquito and Vector Control District
- Desert Parks & Recreation District
- Midway City Sanitary District
- San Gabriel Valley Vector Control
- Port of Los Angeles
- Port of Long Beach
- Regional Criminal Justice Training Center
- San Diego Imperial Valley HIDTA
- Sunline Transit
Water & Sanitation Districts
- Idyllwild Water District
- Irvine Water District
- Orange Co. Sanitation District
- Orange Co. Water District
- San Bernardino Water District
- San Diego County Water Authority
- South Coast Water District
School Districts & Colleges
- Azusa Pacific University
- Glendale Unified School District
- Golden West College
- Palomar Community College
- Riverside Community College District
- Saddleback Community College
- Southwestern College
- University of California Irvine
Associations
Southern California Association of Governments (SCAG)