Multiple Counties
Access Control Security (ACS), Chatsworth, Anaheim
AlliedBarton Security Services, Westlake, Carson, El Monte, Orange, Riverside, Palm Desert, Newbury Park
All American Private Security, West Covina, Riverside
Boyd & Associates, North Hollywood, Santa Ana, Oxnard, Rancho Mirage - also alarm systems, central station monitoring
Brinks, Downtown LA, Northridge, Lancaster, Anaheim, San Bernardino
Camelot Group, Hollywood, Anaheim
DJA Group, Fontana, Chino Hills, Garden Grove
G4S Secure Solutions, Mid-Wilshire, Anaheim, Riverside, Victorville, Oxnard - formerly Wackenhut
Guard Systems, El Monte, Burbank, Ontario
GuardForce Security, Mid-Wilshire (Wilshire Center), Reseda, Santa Ana
Guardian Eagle Security, Mid-Wilshire (Hancock Park), Orange
Guardsmark, citywide
I.N.S. Guard, Westchester, Victorville
IPC International, citywide - shopping centers
Lantz Security, Calabasas, Santa Clarita (Valencia), Lancaster, Apple Valley
Pacific Task Force (PTF), Fullerton, Moreno Valley - bilingual Spanish
PACWEST Security Services, Downtown LA, Costa Mesa
U.S. Security Associates, City of Industry, Orange, Upland
Universal Protection Service, West LA, Downtown LA, Long Beach, Canoga Park, Santa Ana, Orange, Riverside
WSA Group, Westchester, Ontario

Los Angeles County
A & A Protective Services, Hawthorne
A & S Professional Security Services, Covina
Abacus Security Services, Hawthorne
ABM Security Services, Commerce, Irvine, Riverside
Absolute Protection Services, Mid-City LA
Access 1 Confidential Security, Inglewood
AKAL Security, Santa Fe Springs
Alexander Protective Services (APS), West LA (South Robertson)
All Action Security & Consulting Group, Reseda
All Nation Security Services, Mid-Wilshire (Wilshire Center)
All Points Security Services, Long Beach
All Star Security, Los Feliz
Allied Nationwide Security, Reseda
Allied Protection Services (APS), Westchester
Allpoints Security Services, Long Beach
Alpa Security Services, Van Nuys
Alpha Omega Group, The, Beverly Hills
Altha Private Security, Santa Clarita (Newhall)
American Asset Protection, East LA
American Corporate Security, Long Beach
American Guard Services, Carson
American Network Security, Mid-Wilshire (Wilshire Center)
American Professional Security, Westlake
American Protection Industries (API), Inglewood
American Protection Security Services (APSS), North Hollywood
American Safeguard, Mission Hills
American Security Group (ASG), Irwindale
Americorp Protective Services, West LA (Westwood)
Amir Private Security (A.P.S.), Panorama City
Andrews International (AI), Santa Clarita (Valencia), Burbank, Van Nuys
Apex Group, Northridge
B & G Protective Services, Westlake
Babylon Security, North Hollywood
Badge Private Security, Van Nuys
Beach Cities Protective Services, San Pedro
Bel Air Security, Beverly Hills
Bradley Security, Commerce
C.S.I. Patrol Service, Long Beach
Cal Star Security, Hollywood
California General Security Services (CGSS), East LA
California Panther Security, Westchester
California Top Security, Culver City
CEED Security, South LA
Centerpoint Security Services, Tarzana
Centurion Group, The, North Hollywood
Chase Protective Services, Santa Clarita (Newhall)
Citadel Security, Long Beach
Citiguard, Glendale
City National Security, Westchester
Code 3 Security, Signal Hill
Command Security Incorporating Aviation Safeguards (CSC), Westchester
Contemporary Services (CSC), Northridge
Cooke Protective Services (CPS), Culver City
Copper Eagle Patrol & Security, Santa Clarita (Canyon Country)
CSI Patrol Service, Long Beach
Cultural Property Protection Group, Northridge
Cypress Private Security, Santa Fe Springs
DGSP Security & Patrol Services, Mid-Wilshire (Wilshire Center)
Eagle Security Services, Westchester
ESP Event Staffing Professionals, Westwood
Espy Security & Patrol, Bellflower
Executive Assurance, Burbank - entertainment
Fidelity Security Services, Santa Clarita (Valencia)
First Interstate Security, Encino
Five-O Inc, Beverly Hills
Flaming Sword Private Security, South LA
Fortress Security, East LA
Gavin de Becker & Associates, Studio City
GETT Security & Bodyguard Services, Studio City
Golden West Security, Pacoima, Santa Clarita (Valencia)
Guard Pros Security Services, South LA
GuardForce Security, Reseda
Guardian National Security, Canoga Park
Hamilton Security Services, Santa Clarita (Valencia)
Hawks International Security, Northridge
High Protective Services, East LA
Hollywood Production Security (HPS), West Hills
Hollywood Security, South LA
Industry Security Services, City of Industry
Inland Nighthawk Security, Claremont
International Security Affiliates
Intersec, Santa Monica - bilingual Japanese
ISA Security & Investigation, West LA (South Robertson)
J & F Security Services, Hollywood
Karas Security Services, West LA (Mar Vista)
Kato San Security, Canoga Park
Keeper's Assistance Services, Altadena
La Best Security Services, Van Nuys
Langner Security Special Services, Long Beach
Leader Private Security, Reseda
Lincoln Security Services, Cerritos
Los Angeles Protection Services, Atwater Village
Majesty Enterprises, Downtown LA
Mariman Security, Compton
Maxum Security Services, Beverly Hills, Dana Point
McRoberts Protective Agency, Hollywood
MLK Executive Protection and Security Services, Agoura Hills
Nagy Protection Services, Encino
Nastec International
Nation Protection Private Security, Winnetka
New York Private Security, Palmdale
O & R Protective Services, Glendale
Odona Central Security, Monterey Park
Omega Security Services & Consultants, Northridge
OMT Security, Whittier
OMT Security, Whittier
On-Scene Security Services, Santa Clarita (Valencia)
123 Security Services (Aegis Consultants), Culver City
Opsec Specialized Protection, Lancaster
Pacific National Security, Culver City
Pacific Protection Services, Woodland Hills
Paez Patrol Security, Covina
Panamerica Private Security, Northridge
Paramount Protective Services, Westchester
PBI (Picore Beristain Initiative), Calabasas
Perma Guard Security Systems, Northridge
Pfaff Protective Group, Universal City
Pinkerton Government Services (PGS), Torrance
Pinkus International S.S. Enterprises, Monterey Park
Pittman Protection Services, Paramount
Platinum Security, West LA (Westwood)
Platt Security Services, Signal Hill
Premiere Nationwide Security Services, North Hollywood
Prestige Security Service, Culver City
Primary Protection Security & Patrol, Santa Clarita (Valencia)
Private Security, South Pasadena
Pro International Team, Hollywood
Protective Services Group, Encino
Public Security, Baldwin Hills
Quality Security Service, Encino
Reel Security, North Hollywood - entertainment industry
RF Security Services
Robinson Security, Mid-Wilshire (Mid-City LA)
Royal Security Service, Van Nuys
S.O.S. Security Guards, Pasadena
Safeguard Protective Services, Santa Fe Springs
Safetek Security Industries, South LA
Salient Security Services, Beverly Hills
Sanfaz Security, Mid-Wilshire (Wilshire Center)
Scaife Protection Services, Lawndale
Screen International Security Services (S.I.S.S.), Beverly Hills
Secure Net Protection (SNP), Burbank
Securitech Security Services, Mid-Wilshire (Wilshire Center)
Security America, Long Beach
Security Industry Specialists (SIS), Culver City
Security of Los Angeles (SOLA), Pacoima
Security Pro USA, Beverly Hills
Security Specialists Patrol, Van Nuys
Select Patrol Agency, Atwater Village, Sylmar
Sharp Guard Services, Hollywood
Sky Security Services, Burbank
Source 1 Security, Santa Monica
Southwest Patrol, Diamond Bar
Spear Security, Hollywood
St. Moritz Security Services, Mid-Wilshire (Wilshire Center)
Starside Security & Investigation, Diamond Bar, Culver City, Westchester
Stratus Security Services, Hawthorne
Team One Security Services, Santa Fe Springs
Templar Protection, Beverly Hills
The Officers Group, Beverly Hills
Total Security Solutions, Gardena
Tribeca International Protective Services, Beverly Hills
U.S. Private Protection Security, Culver City
Ultimate Event Security and Protective Services, La Mirada
United Nationwide Security, Hawthorne
United Security Services, Chatsworth
United States Security Services, Carson
Urban Protective Services, Santa Monica
Vance Executive Protection, Hollywood
Venue Management Services (VMS), Arcadia
Vernon Security, Paramount
VIP Security Services, North Hills
Weiser Security Services, Irwindale
Western Area Security Services (WASS), Burbank
White Eagle Security, Downtown LA
Widescope Security Services Group, Burbank - hidden cameras
World Security, Northridge
Wright Way Protective Services, Beverly Hills

Orange County
Acclaim Guard Services, Santa Ana
Advantage Guard Services (AGS), Anaheim
Aegis Services, Yorba Linda
Alert Response Security Protection, Santa Ana
American Shield Private Security, Garden Grove
Armed Security Services, Lake Forest
Bell Private Security, Huntington Beach
Black Shield Security, Santa Ana
California Tactic Patrol, Costa Mesa
Central Protection, Orange
Checkpoint Security Services, Irvine
Contractor's Security, Fullerton
Courtesy Patrol Services, Anaheim
Encinas California Security Academy, Anaheim Hills
Excell Security, Fullerton
Frank A Barcott Security, Cypress
Gladiator Enterprises, Trabuco Canyon
Gold Shield Enterprises, Garden Grove
Homeland Security Services, Anaheim
Internal Protection Specialists (IPSI), Orange
Jan-Steven Merson Protection & Investigative Services, Fullerton
Justice Security Service, Huntington Beach
LEO Protection Services, Irvine
Long & Danilevicius Associates, Laguna Hills
Lyon Patrol, Santa Ana
Master Protection Security, Irvine
Master Protection Services, Laguna Hills
MPP Body Guard Security, Huntington Beach
New York Security & Private Patrol, Aliso Viejo
Nordic Security Services, Newport Beach
O.C. Metro Patrol, Anaheim
Pacific Eagle International Security, Garden Grove
Pacific West Patrol, Laguna Hills
Patrol One, Santa Ana
Platinum Protection Group, Anaheim
Royal Guard Services, Laguna Hills
SecurElite Services Group, Huntington Beach
Securtec District Patrol, Irvine
South District Patrol, Santa Ana
Threat Management and Protection, Huntington Beach
Umbrella Protection Group, Rancho Santa Margarita
Village Patrol, Tustin

Riverside County
AD Entertainment Services, Riverside
Barry's Security Services, Riverside
Big Will's Security Services, Riverside
Bower Events, Palm Desert
Colt Security, Palm Desert
First United Security Services, Riverside
Four Star Private Patrol, Temecula
GAP Security Services, Corona
O'Linn Executive Security, Palm Springs
Patrol Plus, Riverside
Progressive Protective Services, Moreno Valley
Statewide Patrol Services, Hemet
Temecula Valley Public Safety, Temecula
TNT Executive Services, La Quinta
Valley Protective Services, Temecula

San Bernardino County
A-List Security, Victorville
Active Private Security, San Bernardino
Apollo Protective Services, Chino
American Force Private Security, San Bernardino
Brantus Group dba Sterling Enterprises, San Bernardino
California Special Patrol, Rancho Cucamonga
Capital Protection Security, Rancho Cucamonga
CCH Western States Security & Patrol, Colton
Community Protective Services (CPS Patrol), San Bernardino
County Wide Security & Training, Fontana
Enders Security and Investigations, San Bernardino
Gordon Security, Victorville
Guard Express, Fontana
Harrison Organization Security Services Group, Rancho Cucamonga (Etiwanda)
Lake Arrowhead Patrol & Security Services
Nu-Way Security and Investigative Services, Adelanto
Pacific National Security, Culver City, Yorba Linda
Security Defense, Rialto
SMS Security, Redlands
SP&I Group, Rancho Cucamonga
Sygnus Defendant, San Bernardino
Tibor Protection Services, San Bernardino
Veteran Security, Apple Valley

Ventura County
Aviles Security Patrol, Simi Valley
Doucette Security, Ventura
Gardner, Robert A. CPP, Camarillo - crime risk management
Gold Coast Security, Ventura
Parliament Security, Simi Valley
Wilshire Protection, Oxnard