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Security Systems in Los Angeles, CA

143 security systems in Los Angeles, CA. 33 of them carry a Google rating, from 1.0 to 5.0 stars across 3,694 reviews — 26 sit at 4.5 or better. 143 list a phone number and 71 a website. Best-rated first; contact them yourself, we don’t resell your details.

Listings here are compiled from public business data and cover Security Systems operating in Los Angeles specifically, rather than the wider CA. Confirm licensing and insurance directly before you hire.

DS

DPS Security Services

🛡️ Security Systems
530 Technology Dr Suite 200, Los Angeles, CA 90071
(714) 555-9999
★ 5.0 (25) Yelp 5.0
TE

T1 Electric & Security

🛡️ Security Systems
Los Angeles, CA 90733
(310) 974-1808
★ 5.0 (20) Yelp 5.0
UD

Ultimate Digital Security

🛡️ Security Systems
8721 Santa Monica Blvd, Los Angeles, CA 90069
(800) 655-6812
★ 5.0 (14) Yelp 5.0
CS

CCTV Security Camera Surveillance Systems Los Angeles

🛡️ Security systems
1400 N Fairfax Ave Apt 19, Los Angeles, CA 90046
(310) 341-3730
★ 5.0 (4)
TS

Total Security Tech

🛡️ Security systems
2621 W Olympic Blvd, Los Angeles, CA 90006
(213) 674-7709
★ 5.0 (4)
A

Alarm 24

🛡️ Security systems
3171 W Olympic Blvd, Los Angeles, CA 90006
(213) 383-1000
★ 5.0 (3)
TF

Three Factor Security Camera Installation

🛡️ Security Systems
800 Wilshire Blvd Ste 200, Los Angeles, CA 90017
(310) 289-4964
★ 5.0 (3) Yelp 4.4
HS

Hexagon Security

🛡️ Security Systems
10866 Wilshire Blvd Ste 400, Los Angeles, CA 90024
(310) 620-4060
★ 5.0 (2) Yelp 5.0
MJ

M & J Video Communications

🛡️ Security Systems
5310 Derry Ave, Los Angeles, CA 90071
(800) 404-8433
★ 5.0 (2) Yelp 4.1
T

TopTech

🛡️ Security Systems
Los Angeles, CA 91307
(818) 534-6002
★ 5.0 (2) Yelp 5.0
ZC

Zurtech CCTV

🛡️ Security Systems
2355 Westwood Blvd Ste 221, Los Angeles, CA 90064
(310) 564-6675
★ 5.0 (2) Yelp 4.7
CA

Commercial Alarm CO

🛡️ Security Systems
7009 Val Jean Ave, Los Angeles, CA 91406
(818) 746-2338
★ 5.0 (1) Yelp 5.0
ET

E&m Tech Security

🛡️ Security systems
70-71 Wells St, Los Angeles, CA W1W 8EX
(323) 594-6047
★ 5.0 (1)
I

Innov8av

🛡️ Security Systems
269 S Mariposa Ave Unit 407, Los Angeles, CA 90004
(805) 517-4668
★ 5.0 (1) Yelp 5.0
LV

Low Voltech

🛡️ Security Systems
Los Angeles, CA 91605
(747) 444-8309
★ 5.0 (1) Yelp 5.0
SS

SASSI Security

🛡️ Security Systems
6735 Sepulveda Blvd, Los Angeles, CA 91411
(888) 569-8931
★ 5.0 (1) Yelp 4.7
ST

Safe Tec Security

🛡️ Security Systems
21 Miller Alley, Los Angeles, CA 90013
(818) 404-4279
★ 5.0 (1) Yelp 5.0
W

WorldWideTech

🛡️ Security Systems
Los Angeles, CA 90001
(888) 701-5672
★ 5.0 (1) Yelp 5.0
TM

The Monitoring Center

🛡️ Security Systems
Los Angeles, CA 90240
(866) 247-4999
★ 4.9 (154) Yelp 2.8
AT

Avante Technologies

🛡️ Security Systems
8592 Venice Blvd, Los Angeles, CA 90034
(310) 776-7000
★ 4.9 (7) Yelp 4.8
DS

Digital Surveillance - Cctv Security Cameras Installation Los Angeles

🛡️ Security systems
620 Imperial St, Los Angeles, CA 90021
(310) 901-4972
★ 4.8 (4)
CU

California Unique

🛡️ Security systems
1610 W 7th St, Los Angeles, CA 90017
(213) 989-6981
★ 4.7 (278)
AS

Adr Security System

🛡️ Security systems
112 W 9th St, Los Angeles, CA 90015
(213) 622-5969
★ 4.7 (13)
AD

AT&T Digital Life Home Security

🛡️ Security systems
8471 Beverly Blvd, Los Angeles, CA 90048
(855) 288-2727
★ 4.5 (747)
ED

ETC Depot

🛡️ Security Systems
4466 Whittier Blvd, Los Angeles, CA 90022
(213) 278-0793
★ 4.5 (19) Yelp 5.0
EI

Eye In the Sky Security

🛡️ Security systems
9234 Firth Blvd, Los Angeles, CA 90002
(323) 251-6358
★ 4.5 (2)
M

Maxitech

🛡️ Security systems
1432 1/2 Mohawk St, Los Angeles, CA 90026
(818) 637-0208
★ 4.4 (27)
FH

Frontpoint Home Security

🛡️ Security Systems
22650 Executive Dr Suite 119-122, Los Angeles, CA 90012
(855) 814-8269
★ 4.3 (2295) Yelp 2.2
EC

Ess CCTV

🛡️ Security systems
1543 W Olympic Blvd, Los Angeles, CA 90015
(213) 500-7736
★ 4.0 (2)
GP

GSG Protective Services

🛡️ Security Systems
1330 Wilshire Blvd, Los Angeles, CA 90017
(213) 674-7472
★ 3.7 (28) Yelp 1.0
PS

Paragon Security

🛡️ Security systems
4853 W Jefferson Blvd, Los Angeles, CA 90016
(818) 895-5000
★ 3.0 (2)
AS

American Security Enterprise

🛡️ Security systems
1561 E Adams Blvd, Los Angeles, CA 90011
(310) 980-5771
★ 2.7 (27)
PA

Protect America

🛡️ Security Systems
3301 Coors Blvd NW #293, Los Angeles, CA 90064
(888) 951-5122
★ 1.0 (1) Yelp 1.4
DS

1 Day Security Systems Installation

🛡️ Security systems
11614 W Pico Blvd, Los Angeles, CA 90064
(310) 954-4834
RA

1St Response Alarms

🛡️ Security systems
106 1/2 Judge John Aiso St Ste 759, Los Angeles, CA 90012
(323) 203-0716
RA

1st Response Alarms

🛡️ Security Systems
5405 Wilshire Blvd Ste 317, Los Angeles, CA 90036
(213) 329-8012
Yelp 5.0
SS

24 7 Security Systems Installation

🛡️ Security systems
11661 San Vicente Blvd, Los Angeles, CA 90049
(310) 954-0645
A

A1support

🛡️ Security Systems
Los Angeles, CA 90011
(323) 688-8615
Yelp 3.0
AA

ADS - Advanced Digital Security

🛡️ Security Systems
Los Angeles, CA 91605
(818) 644-0473
Yelp 5.0
A

ADT

🛡️ Security systems
Private Address in Los Angeles CA, Los Angeles, CA
(888) 771-8831
AA

ADT Alarm and Home Security

🛡️ Security systems
150 S La Brea Ave, Los Angeles, CA 90036
(424) 227-5286
AP

ADT Protect Your Home ADT Authorized Premier Provi

🛡️ Security systems
6506 Compton Ave, Los Angeles, CA 90001
(323) 476-3664
AS

ADT Security Services

🛡️ Security Systems
Los Angeles, CA 90014
(323) 315-0683
Yelp 1.2
AA

ASAP Alarm

🛡️ Security Systems
Los Angeles, CA 90011
(877) 270-2021
Yelp 3.5
AC

ASAP CCTV Security Cameras

🛡️ Security Systems
Los Angeles, CA 90012
(323) 303-3710
Yelp 1.0
AA

AWest Alarm Screens

🛡️ Security Systems
Los Angeles, CA 90001
(818) 730-0277
Yelp 5.0
AC

Access Control Los Angeles

🛡️ Security systems
Los Angeles, CA
(888) 604-1376
AY

Adt-Protect Your Home-Adt Authorized Premier Provi

🛡️ Security systems
1713 E 58th Pl, Los Angeles, CA 90001
(323) 476-3665
AD

Advanced Direct Security

🛡️ Security systems
420 S Grand Ave, Los Angeles, CA 90071
(424) 204-4498
A

Alarm

🛡️ Security systems
801 E 7th St, Los Angeles, CA 90021
(213) 955-5745
AE

Alarm & Elevator Line

🛡️ Security systems
2211 W 6th St, Los Angeles, CA 90057
(213) 637-0343
AL

Alarm Line

🛡️ Security systems
1337 S Flower St, Los Angeles, CA 90015
(213) 746-4943
AL

Alarm Line

🛡️ Security systems
3005 Humboldt St, Los Angeles, CA 90031
(323) 224-6017
AL

Alarm Lines

🛡️ Security systems
4800 District Blvd, Los Angeles, CA 90058
(323) 589-0339
AL

Alarm Lines

🛡️ Security systems
2340 E 52nd St, Los Angeles, CA 90058
(323) 582-7078
AS

Alarmtron Security Systems

🛡️ Security systems
1926 Michigan Ave, Los Angeles, CA 90033
(213) 629-3830
AA

Allstate Alarm Systems

🛡️ Security systems
200 N Kenmore Ave, Los Angeles, CA 90004
(213) 381-2733
A

Alltronics

🛡️ Security Systems
404 S Los Angeles St, Los Angeles, CA 90013
(213) 625-0099
AS

Also Security Inc

🛡️ Security systems
913 E 11Th St, Los Angeles, CA 90021
(213) 243-5889
AS

Arm-tech Security Systems

🛡️ Security systems
3235 Craig Dr, Los Angeles, CA 90068
(800) 303-0828
AS

At Systems West Inc

🛡️ Security systems
1612 W Pico Blvd, Los Angeles, CA 90015
(213) 401-1015
AA

Audio and video AM

🛡️ Security Systems
330 S New Hampshire Ave, Los Angeles, CA 90020
(323) 363-0439
BS

BUSINESS SECURITY Camera INSTALLATION

🛡️ Security systems
633 W 5th St Floor 26, Los Angeles, CA 90071
(800) 431-3964
BL

Best Look Home Theater and Security

🛡️ Security Systems
123 S Figueroa St Ste 541, Los Angeles, CA 90012
(661) 436-8708
BT

Brim Telecom

🛡️ Security Systems
1001 Wilshire Blvd Ste 2109, Los Angeles, CA 90017
(424) 470-4433
CC

C & C Business System

🛡️ Security Systems
1738 S Vermont Ave, Los Angeles, CA 90006
(213) 700-1126
Yelp 5.0
CS

CFL Solution

🛡️ Security Systems
16060 Ventura Blvd Ste 161, Los Angeles, CA 91436
(818) 613-3075
CS

CYA Surveillance Systems

🛡️ Security Systems
Los Angeles, CA 90017
(310) 938-4843
CP

California Professional Security

🛡️ Security Systems
2500 Wilshire Blvd, Los Angeles, CA 90057
(213) 380-2805
CS

California Security Pro-ADT Authorized Dealer

🛡️ Security systems
445 S Figueroa St, Los Angeles, CA 90071
(213) 318-3960
Yelp 4.1
CH

Cellular Home Security Systems - PadFender

🛡️ Security Systems
824 Wilshire Blvd, Los Angeles, CA 90017
(213) 986-4344
CH

Cellular Home Security Systems PadFender

🛡️ Security systems
824 Wilshire Blvd, Los Angeles, CA 90017
(213) 986-4344
CA

Centurion Alarm Company

🛡️ Security systems
1650 W Florence Ave, Los Angeles, CA 90047
(310) 603-0015
CR

Cheap Residential Security Systems

🛡️ Security systems
717 N Highland Ave, Los Angeles, CA 90038
(323) 602-5703
CS

Cheap Security Systems

🛡️ Security systems
1328 S Santa Fe Ave, Los Angeles, CA 90021
(213) 330-3978
CT

ClearComm Technologies

🛡️ Security Systems
2822 Angus St, Los Angeles, CA 90039
(818) 572-0200
Yelp 5.0
CS

Cobra Security Systems

🛡️ Security systems
3742 Tracy St, Los Angeles, CA 90027
(323) 469-4253
Yelp 4.3
DC

D&m Cctv Security Cameras

🛡️ Security systems
1928 W Olympic Blvd, Los Angeles, CA 90006
(213) 587-3787
DS

Discounted Security Cameras

🛡️ Security Systems
5042 Wilshire Blvd, Los Angeles, CA 90036
(888) 874-5284
Yelp 1.0
DA

Dunbar Alarm Systems

🛡️ Security systems
500 S Hill St, Los Angeles, CA 90013
(213) 627-1144
EI

E-Cam Inc

🛡️ Security systems
3200 Wilshire Blvd Ste 1545, Los Angeles, CA 90010
(213) 368-0220
EE

Eagle Eye Security Systems

🛡️ Security Systems
Los Angeles, CA 90017
(323) 736-1110
Yelp 5.0
EA

Erick Audio Systems & Security

🛡️ Security systems
110 W 7th St, Los Angeles, CA 90014
(213) 623-2416
FA

Fire Alarms

🛡️ Security systems
2100 E 14th St, Los Angeles, CA 90021
(213) 745-7927
GS

Global Security Agency

🛡️ Security systems
6234 S Gramercy Pl, Los Angeles, CA 90047
(323) 292-4520
GG

Golden Guard Protection Security

🛡️ Security systems
5455 Wilshire Blvd, Los Angeles, CA 90036
(323) 634-0806
GP

Group Prodigy

🛡️ Security Systems
633 West Fifth St Fl 26, Los Angeles, CA 90071
(800) 975-5497
Yelp 5.0
HX

Help Xpress Surveillance for less

🛡️ Security Systems
3042 Rowena Ave, Los Angeles, CA 90039
(323) 445-1162
HS

High-Tech Security

🛡️ Security Systems
8726 S Sepulveda Blvd, Los Angeles, CA 90045
(310) 736-4140
Yelp 4.0
I

IT-systems

🛡️ Security Systems
453 S Spring St Ste 400, Los Angeles, CA 90013
(323) 287-1070
IS

Infinite Security Solutions

🛡️ Security Systems
Los Angeles, CA 90037
(323) 630-0086
Yelp 5.0
IS

Intelligent Surveillance Systems

🛡️ Security Systems
Los Angeles, CA 91042
(818) 482-3300
Yelp 5.0
IS

Intercon Security Systems Inc

🛡️ Security systems
255 E Temple St, Los Angeles, CA 90012
(213) 687-6684
JS

Jet Security Systems

🛡️ Security Systems
Los Angeles, CA 90011
(844) 900-2400
JP

Just Plug It

🛡️ Security Systems
Los Angeles, CA 91335
(818) 318-6433
Yelp 5.0
KI

Keep It Lockt

🛡️ Security Systems
Los Angeles, CA 90035
(424) 362-4867
Yelp 5.0
LB

L.a's Best Audio Video Installers

🛡️ Security Systems
861 N Detriot St, Los Angeles, CA 90046
(888) 575-0219
Yelp 5.0
LS

LA Security Systems

🛡️ Security systems
411 W 5th St, Los Angeles, CA 90013
(424) 652-6775
Yelp 5.0
LS

Legit Security Systems

🛡️ Security Systems
Los Angeles, CA 90014
(714) 417-5334
Yelp 5.0
LA

Los Angeles Home Security Systems

🛡️ Security Systems
111 N Union Ave, Los Angeles, CA 90026
(213) 261-3607
Yelp 5.0
LA

Los Angeles Security Cameras

🛡️ Security Systems
Los Angeles, CA 90028
(888) 518-6756
Yelp 4.9
LA

Los Angeles lockmaster

🛡️ Security Systems
7119 W Sunset Blvd Ste 200, Los Angeles, CA 90046
(323) 515-8440
LF

Lucio Franco

🛡️ Security systems
4989 Huntington Dr N, Los Angeles, CA 90032
(323) 441-2134
ME

M E R Enterprises Alarm Lines

🛡️ Security systems
4007 Medford St, Los Angeles, CA 90063
(323) 526-0757
M

Maintel

🛡️ Security Systems
112 W 9th St Ste 604, Los Angeles, CA 90015
(310) 467-9972
Yelp 4.8
MS

McIntosh Security Systems Inc

🛡️ Security systems
7117 W Manchester Ave, Los Angeles, CA 90045
(310) 670-3144
MP

Motion Picture Security

🛡️ Security systems
2331 S Hill St, Los Angeles, CA 90007
(323) 490-2478
MF

Murzaiev Family Services

🛡️ Security Systems
Los Angeles, CA 91604
(626) 742-4420
Yelp 5.0
N

NESTECH

🛡️ Security Systems
Los Angeles, CA 90042
(213) 833-8223
Yelp 4.8
NL

No Long Term Security Systems

🛡️ Security systems
1056 Lanark St, Los Angeles, CA 90041
(323) 474-0086
NS

NuBell Securities

🛡️ Security Systems
728 Valencia, Los Angeles, CA 90017
(213) 400-7554
Yelp 5.0
OS

Olympic Security Company

🛡️ Security systems
3921 Wilshire Blvd Ste 303, Los Angeles, CA 90010
(213) 387-6100
OS

Optic Security Cameras

🛡️ Security Systems
Los Angeles, CA 90006
(213) 915-9182
PS

Pacwest Security Services

🛡️ Security Systems
1545 Wilshire Blvd Ste 302, Los Angeles, CA 90017
(213) 413-3500
Yelp 2.5
P

Padfender

🛡️ Security systems
824 Wilshire Blvd Ste 200, Los Angeles, CA 90017
(877) 606-8080
PS

Parnell Secure Solutions

🛡️ Security Systems
Los Angeles, CA 90028
(916) 768-6187
PS

Professionals Security Systems

🛡️ Security systems
1240 Sierra Alta Way, Los Angeles, CA 90069
(424) 359-3187
PS

Props Security

🛡️ Security systems
3559 E 1st St, Los Angeles, CA 90063
(323) 768-2000
QH

Quality Home Security

🛡️ Security systems
4215 Don Tomaso Dr Ste 14, Los Angeles, CA 90008
(323) 212-7142
QS

Quality Security Systems

🛡️ Security systems
727 S Spring St, Los Angeles, CA 90014
(213) 271-9876
SL

Safe Links Security & Courier

🛡️ Security systems
2822 E Olympic Blvd, Los Angeles, CA 90023
(205) 277-0436
SS

Safe Streets USA - ADT Authorized Dealer

🛡️ Security Systems
Los Angeles, CA 90071
(877) 731-2850
Yelp 1.0
S

Sectron

🛡️ Security Systems
14320 Ventura Blvd Ste 758, Los Angeles, CA 91423
(213) 335-3335
Yelp 5.0
SS

Secure Sight CCTV

🛡️ Security Systems
650 S Hill St Ste 7071, Los Angeles, CA 90014
(213) 652-2267
Yelp 5.0
SE

Security & Entry Systems Los Angeles

🛡️ Security systems
S Ridgeley Dr, Los Angeles, CA 90016
(310) 355-8031
SC

Security Camera Installation Los Angeles Tron

🛡️ Security systems
418 Bamboo Lane Ste A, Los Angeles, CA 90012
(213) 531-0016
SF

Security First

🛡️ Security systems
5900 S Eastern Ave, Los Angeles, CA 90040
(323) 597-1321
SS

Security System Quotes

🛡️ Security Systems
490B Ducommun St, Los Angeles, CA 90012
(310) 388-4915
SS

Security Systems Services

🛡️ Security systems
1250 Long Beach Ave, Los Angeles, CA 90021
(213) 330-3977
SS

SmartHome Security Expert

🛡️ Security Systems
Los Angeles, CA 90068
(480) 819-7427
Yelp 5.0
SV

SoCal Visuals

🛡️ Security Systems
660 N Spaulding Ave, Los Angeles, CA 90036
(323) 905-4166
Yelp 5.0
SH

Song Homin

🛡️ Security systems
940 S Los Angeles St, Los Angeles, CA 90015
(213) 623-2138
SS

Steel Shield Security Inc

🛡️ Security systems
4068 Crenshaw Blvd, Los Angeles, CA 90008
(323) 296-2623
TA

Technologent Access

🛡️ Security Systems
Los Angeles, CA 90004
(719) 225-2225
TC

Tims Cctv Security Cameras

🛡️ Security systems
564 S Flower St, Los Angeles, CA 90071
(323) 410-7729
TD

Total Defense Systems

🛡️ Security Systems
Los Angeles, CA 90013
(844) 833-2073
TS

Tri-Net Security Solutions

🛡️ Security Systems
1070 N Western Ave Ste B, Los Angeles, CA 90029
(213) 318-1812
Yelp 5.0
TS

Trinity Solutions CCTV

🛡️ Security Systems
Los Angeles, CA 90007
(213) 858-9970
TS

Twin Springs Alarm Lines

🛡️ Security systems
419 S Spring St, Los Angeles, CA 90013
(213) 623-8331
UT

U Tech

🛡️ Security Systems
Los Angeles, CA 90006
(323) 719-3263
Yelp 5.0
UP

USO Plaza

🛡️ Security Systems
934 E 11th St Ste B, Los Angeles, CA 90021
(310) 467-8810
WS

Watch Security Cameras Los Angeles

🛡️ Security systems
100 S Main St, Los Angeles, CA 90012
(310) 448-2112
WS

West Side Watchers

🛡️ Security Systems
Los Angeles, CA 90001
(424) 426-8309
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