Largest Security & Protection Services Companies by Market Cap

Largest Security & Protection Services companies by market cap. The Security & Protection Services sector has 117 publicly listed stocks with a combined market cap of $179.85 Billion. ASSA ABLOY AB (publ) leads the sector with a market cap of $43.84 Billion. This ranking covers all Security & Protection Services stocks globally — from large-cap industry leaders to mid-cap and small-cap companies — ranked by market capitalization and updated daily.

Total Market Cap (USD)

$179.85 Billion

Companies Listed

117

Largest Company

ASSA ABLOY AB …

Top Security & Protection Services Stocks by Market Capitalization (October 2026)

Top Security & Protection Services stocks by market capitalization as of October 2026, covering 117 publicly listed companies.

Rank Company Market Cap (USD) Market Cap (Local) Country Price 24h Change 7d Change 24h Volume
1 ASSA ABLOY AB (publ)
ST:ASSA-B 		$43.84 Billion Skr407.40 Billion Sweden Skr386.80 +1.12% +8.38% 39.00 Million
2 ABB PAR AB B ADR/1/2/SK 1
F:ALZ 		$37.49 Billion €32.07 Billion Germany €16.90 -0.59% +4.32% 2.57K
3 SECOM CO.LTD ADR 1/4/O.N.
F:XSC0 		$12.30 Billion €10.52 Billion Germany €7.65 +0.66% -3.16% 0.00
4 Allegion PLC
NYSE:ALLE 		$10.97 Billion $10.97 Billion USA $187.06 +3.54% +17.65% 27.92 Million
5 Securitas AB
ST:SECU-B 		$9.01 Billion Skr83.70 Billion Sweden Skr153.30 -0.26% -7.71% 33.27 Million
6 MSA Safety
NYSE:MSA 		$6.91 Billion $6.91 Billion USA $179.16 +1.13% -2.28% 5.24 Million
7 Zhejiang Dahua Technology Co Ltd
SHE:002236 		$6.89 Billion CN¥47.07 Billion China CN¥14.32 -1.04% -3.57% 473.81 Million
8 Next Vision Stabilized Systems
TA:NXSN 		$4.90 Billion ILA1.83 Trillion Israel ILA20010.00 +1.57% +6.49% 11.97 Million
9 ADT Inc
NYSE:ADT 		$4.88 Billion $4.88 Billion USA $9.87 +33.20% +45.15% 335.77 Million
10 Brinks Company
NYSE:BCO 		$4.21 Billion $4.21 Billion USA $102.19 +2.00% -6.01% 11.67 Million
11 Loomis AB ser. B
ST:LOOMIS 		$3.89 Billion Skr36.14 Billion Sweden Skr540.00 -1.10% -3.57% 2.19 Million
12 Brady Corporation
NYSE:BRC 		$3.60 Billion $3.60 Billion USA $83.02 +1.42% +0.83% 5.77 Million
13 CoreCivic Inc
NYSE:CXW 		$3.07 Billion $3.07 Billion USA $31.08 +1.47% +5.28% 42.43 Million
14 S-1 Corp
KO:012750 		$2.21 Billion ₩3.26 Trillion Korea ₩96300.00 +1.26% -0.82% 2.42 Million
15 Geo Group Inc
NYSE:GEO 		$1.96 Billion $1.96 Billion USA $28.54 +3.52% +3.26% 56.70 Million
16 Taiwan Secom Co Ltd
TW:9917 		$1.51 Billion NT$47.96 Billion Taiwan NT$108.00 +0.47% +0.47% 7.76 Million
17 Prosegur
MC:PSG 		$1.43 Billion €1.22 Billion Spain €2.97 +0.68% -5.71% 4.03 Million
18 NAPCO Security Technologies Inc
NASDAQ:NSSC 		$1.43 Billion $1.43 Billion USA $39.98 +0.81% +7.36% 7.03 Million
19 Xiamen Meiya Pico Information
SHE:300188 		$1.37 Billion CN¥9.37 Billion China CN¥10.90 -1.18% +0.46% 316.89 Million
20 Jade Bird Fire Alarm
SHE:002960 		$1.27 Billion CN¥8.66 Billion China CN¥8.22 -2.95% -1.91% 231.10 Million
21 ITMAX System Berhad
KLSE:5309 		$1.15 Billion RM4.57 Billion Malaysia RM4.40 -0.68% -0.23% 35.95 Million
22 China Security & Fire Co Ltd Class A
SHG:600654 		$1.11 Billion CN¥7.60 Billion China CN¥2.64 -4.00% -8.33% 1.09 Billion
23 Shenzhen Infinova Ltd
SHE:002528 		$1.01 Billion CN¥6.87 Billion China CN¥5.73 -3.37% -6.68% 452.68 Million
24 ZKTECO Co. Ltd. A
SHE:301330 		$888.19 Million CN¥6.07 Billion China CN¥25.79 -0.69% -5.88% 91.26 Million
25 Evolv Technologies Holdings Inc
NASDAQ:EVLV 		$872.38 Million $872.38 Million USA $4.85 +1.89% +9.73% 52.64 Million
26 Beijing Telesound Electronics Co Ltd
SHE:003004 		$645.67 Million CN¥4.41 Billion China CN¥53.90 -4.57% -11.57% 41.02 Million
27 Sichuan Discovery Dream Science & Technology Co.Ltd
SHE:301213 		$626.56 Million CN¥4.28 Billion China CN¥38.23 -2.97% -7.68% 60.29 Million
28 SIS LIMITED
NSE:SIS 		$587.28 Million Rs54.30 Billion India Rs384.30 -0.01% +1.09% 4.28 Million
29 Wangli Security & Surveillance Product Co. Ltd
SHG:605268 		$579.94 Million CN¥3.96 Billion China CN¥8.88 -2.52% -7.60% 116.53 Million
30 Shenzhen MinDe Electronics Technology Ltd
SHE:300656 		$537.13 Million CN¥3.67 Billion China CN¥21.45 -8.22% -13.19% 140.19 Million
31 Mistras Group Inc
NYSE:MG 		$511.61 Million $511.61 Million USA $20.20 -1.32% -5.21% 7.95 Million
32 Guangzhou Haoyun Security Technologies Co Ltd
SHE:300448 		$489.04 Million CN¥3.34 Billion China CN¥4.94 -0.80% -8.35% 352.24 Million
33 Sinosun Tech
SHE:300333 		$485.77 Million CN¥3.32 Billion China CN¥9.88 -6.79% -17.67% 672.53 Million
34 Taiwan Shin Kong Security Co Ltd
TW:9925 		$478.74 Million NT$15.20 Billion Taiwan NT$39.55 -0.13% +0.13% 7.86 Million
35 Hangzhou Century Co Ltd
SHE:300078 		$430.22 Million CN¥2.94 Billion China CN¥2.63 -3.31% -5.40% 643.23 Million
36 Shenzhen TVT Digital Technology Co Ltd
SHE:002835 		$417.55 Million CN¥2.85 Billion China CN¥13.00 -2.11% -16.56% 142.69 Million
37 Zedcor Energy
V:ZDC 		$414.06 Million CA$572.39 Million Canada CA$5.16 +2.18% +1.18% 4.53 Million
38 Joyware Electronics Co Ltd
SHE:300270 		$382.40 Million CN¥2.61 Billion China CN¥8.63 -4.00% -11.12% 185.91 Million
39 Guoanda Co Ltd
SHE:300902 		$372.45 Million CN¥2.55 Billion China CN¥14.00 -7.96% -13.10% 113.60 Million
40 Chongqing Mas Sci&Tech
SHE:300275 		$369.13 Million CN¥2.52 Billion China CN¥8.19 -2.38% -5.10% 84.56 Million
41 Shenzhen Zhilai Sci and Tech Co Ltd
SHE:300771 		$359.27 Million CN¥2.46 Billion China CN¥10.23 -4.39% -11.35% 133.01 Million
42 Beijing Hanbang Technology Corp
SHE:300449 		$346.84 Million CN¥2.37 Billion China CN¥6.14 -2.85% -5.97% 223.91 Million
43 NL Industries Inc
NYSE:NL 		$330.07 Million $330.07 Million USA $6.99 -0.71% +6.23% 425.44K
44 Guangdong Anjubao Digital Tech
SHE:300155 		$312.08 Million CN¥2.13 Billion China CN¥3.80 -2.56% -10.17% 472.10 Million
45 CompX International Inc
NYSE MKT:CIX 		$286.76 Million $286.76 Million USA $23.30 -0.72% +0.39% 66.76K
46 Vivotek Inc
TW:3454 		$271.10 Million NT$8.60 Billion Taiwan NT$99.40 +0.00% +0.00% 3.32 Million
47 Suprema Inc
KQ:236200 		$259.19 Million ₩382.47 Billion Korea ₩54900.00 -3.35% -1.26% 659.54K
48 G1 Secure Solutions Ltd
TA:GOSS 		$241.07 Million ILA89.92 Billion Israel ILA1101.00 +0.09% -1.17% 105.17K
49 Intelligent Monitoring Group Ltd
AU:IMB 		$156.62 Million AU$221.35 Million Australia AU$0.54 -1.38% +2.38% 3.30 Million
50 GeoVision Inc
TW:3356 		$154.64 Million NT$4.91 Billion Taiwan NT$71.60 +0.42% -2.05% 13.27 Million
51 Gatekeeper Systems Inc
V:GSI 		$135.82 Million CA$187.75 Million Canada CA$1.69 -0.59% +5.62% 2.41 Million
52 Concorde International Group Ltd.
NASDAQ:YOOV 		$128.49 Million $128.49 Million USA $0.62 +35.39% +23.08% 129.98 Million
53 Senkron Guvenlik ve Iletisim Sistemleri AS
IS:SNKRN 		$81.90 Million TL3.66 Billion Turkey TL323.00 -6.31% +11.00% 677.63K
54 Careium AB
ST:CARE 		$76.44 Million Skr710.33 Million Sweden Skr29.20 -0.34% +9.77% 558.95K
55 EverFocus Electronics Corp
TW:5484 		$76.19 Million NT$2.42 Billion Taiwan NT$36.20 +0.70% +0.84% 3.37 Million
56 Supercom Ltd
NASDAQ:SPCB 		$62.55 Million $62.55 Million USA $10.29 +2.49% +10.41% 1.22 Million
57 Mallcom (India) Limited
NSE:MALLCOM 		$59.96 Million Rs5.54 Billion India Rs888.45 -0.26% -1.90% 50.73K
58 Everspring Industry Co Ltd
TW:2390 		$59.78 Million NT$1.90 Billion Taiwan NT$9.85 -0.61% -1.01% 6.43 Million
59 Mercor S.A.
WAR:MCR 		$58.53 Million zł212.66 Million Poland zł13.90 +2.21% -4.47% 28.43K
60 Firetrade Engineering PCL
BK:FTE 		$54.31 Million ฿1.74 Billion Thailand ฿2.64 -0.75% -1.49% 3.78 Million
61 SuperCom Ltd
F:50S 		$52.50 Million €44.91 Million Germany €8.68 +2.12% +9.05% 0.00
62 Concorde International Group Ltd Class A Ordinary Shares
NASDAQ:CIGL 		$48.98 Million $48.98 Million USA $0.22 +4.75% -0.74% 21.21 Million
63 SECURE INC.
F:Q58 		$48.98 Million €41.89 Million Germany €6.75 -2.88% -2.17% 0.00
64 SKY LIGHT HOLDINGS LTD
F:27L 		$43.37 Million €37.10 Million Germany €0.05 +17.78% +15.22% 0.00
65 IGLOO SECURITY Inc
KQ:067920 		$40.69 Million ₩60.04 Billion Korea ₩5920.00 -5.73% +1.72% 3.54 Million
66 SSC Security Services Corp
V:SECU 		$40.18 Million CA$55.55 Million Canada CA$4.40 +0.00% +0.23% 214.02K
67 UNIQUE
KLSE:0257 		$39.76 Million RM158.36 Million Malaysia RM0.40 +0.00% +1.28% 6.67 Million
68 SOOSAN INT Co. Ltd
KQ:050960 		$39.57 Million ₩58.40 Billion Korea ₩8650.00 +8.40% +5.49% 76.61K
69 Korea Electronic Certification Authority Inc
KQ:041460 		$37.88 Million ₩55.90 Billion Korea ₩3050.00 -2.56% -3.94% 713.05K
70 Senstar Technologies Ltd
NASDAQ:SNT 		$37.80 Million $37.80 Million USA $1.65 +2.48% +13.79% 361.10K
71 Harn Engineering Solutions Public Company Limited
BK:HARN 		$35.89 Million ฿1.15 Billion Thailand ฿1.97 +0.00% -1.01% 3.03 Million
72 Thirdeye Systems Ltd
TA:THES 		$34.41 Million ILA12.83 Billion Israel ILA441.00 -3.23% -0.07% 6.14 Million
73 Avante Logixx Inc
V:XX 		$32.96 Million CA$45.57 Million Canada CA$1.71 +3.01% +2.40% 105.27K
74 Hunt Electronic Co Ltd
TWO:3297 		$31.86 Million NT$1.01 Billion Taiwan NT$28.05 -2.09% -6.34% 8.15 Million
75 Hi Sharp Electronics Co Ltd
TWO:3128 		$28.77 Million NT$913.22 Million Taiwan NT$19.30 -0.77% -2.03% 1.30 Million
76 Hitron Systems
KO:019490 		$28.02 Million ₩41.34 Billion Korea ₩541.00 +0.00% +0.00% 4.68 Million
77 Bridger Aerospace Group Holdings, Inc. Common Stock
NASDAQ:BAER 		$23.82 Million $23.82 Million USA $0.41 -4.71% -19.11% 19.62 Million
78 Phol Dhanya Public Company Limited
BK:PHOL 		$20.83 Million ฿668.25 Million Thailand ฿3.30 +1.23% +1.85% 2.37 Million
79 Mirae ING Co Ltd
KO:007120 		$18.79 Million ₩27.73 Billion Korea ₩1015.00 -0.49% -5.23% 2.12 Million
80 Mg Internation
PA:ALMGI 		$13.42 Million €11.48 Million France €2.30 +1.77% +0.00% 3.06K
81 Tempest Security AB
ST:TSEC 		$11.28 Million Skr104.84 Million Sweden Skr10.00 -0.99% -9.91% 548.16K
82 Liberty Defense Holdings, Ltd. Common Shares
NASDAQ:DETX 		$9.84 Million $9.84 Million USA $1.73 +7.89% +15.44% 655.65K
83 NEWMARK SECURITY LS-005
F:NN10 		$9.61 Million €8.22 Million Germany €1.15 +0.00% +2.68% 0.00
84 Precise Biometrics AB
ST:PREC 		$9.60 Million Skr89.18 Million Sweden Skr0.51 -2.67% +7.37% 26.56 Million
85 Irisity AB
ST:IRIS 		$9.47 Million Skr87.98 Million Sweden Skr0.23 +2.69% +4.57% 3.96 Million
86 VerifyMe Inc
NASDAQ:VRME 		$9.05 Million $9.05 Million USA $6.20 +14.81% +545.90% 138.14 Million
87 IQ Group Holdings Bhd
KLSE:5107 		$8.62 Million RM34.33 Million Malaysia RM0.39 +9.86% +9.86% 428.70K
88 AVA Risk Group Ltd
AU:AVA 		$8.44 Million AU$11.94 Million Australia AU$0.04 +0.00% -14.58% 1.81 Million
89 Akdeniz Yatirim Holding AS
IS:AKYHO 		$8.25 Million TL368.22 Million Turkey TL1.46 +0.00% -3.95% 44.14 Million
90 Knightscope Inc
NASDAQ:KSCP 		$8.13 Million $8.13 Million USA $0.51 -1.92% -3.56% 17.57 Million
91 Mobotix AG
F:MBQ 		$8.00 Million €6.84 Million Germany €0.52 +18.26% -24.93% 0.00
92 Nordic LEVEL Group AB
ST:LEVEL 		$6.79 Million Skr63.06 Million Sweden Skr0.30 +7.14% +7.14% 5.80 Million
93 Trellidor Holdings Ltd
JSE:TRL 		$6.53 Million ZAC12.28 Billion South Africa ZAC129.00 +0.00% +1.57% 3.99 Million
94 Aquila SA
PA:ALAQU 		$6.22 Million €5.32 Million France €3.50 -5.41% -6.42% 8.19K
95 Guardforce AI Co Ltd
NASDAQ:GFAI 		$5.97 Million $5.97 Million USA $0.19 -4.47% -3.01% 6.70 Million
96 London Security Plc
LSE:LSC 		$5.44 Million GBX44.75 Billion UK GBX3650.00 +0.00% +0.00% 473.00
97 TZ Ltd
AU:TZL 		$4.62 Million AU$6.53 Million Australia AU$0.02 +0.00% +0.00% 1.03 Million
98 Datadot Technology Ltd
AU:DDT 		$3.44 Million AU$4.86 Million Australia AU$0.00 +0.00% +0.00% 7.01 Million
99 BIO-Key International Inc
NASDAQ:BKYI 		$3.18 Million $3.18 Million USA $2.93 -6.69% +39.52% 339.89 Million
100 Iveda Solutions Inc
NASDAQ:IVDA 		$2.60 Million $2.60 Million USA $0.23 -1.60% -2.92% 4.23 Million
101 Scout Security Ltd
AU:SCT 		$2.47 Million AU$3.50 Million Australia AU$0.52 +0.00% +0.00% 0.00
102 Spectur Ltd
AU:SP3 		$2.35 Million AU$3.32 Million Australia AU$0.01 +0.00% -11.11% 1.91 Million
103 Ordinary Fully Paid Deferred Settlement
AU:CDEDC 		$1.63 Million AU$2.30 Million Australia AU$0.03 +0.00% +0.00% 0.00
104 Journeo PLC
LSE:JNEO 		$1.17 Million GBX9.58 Billion UK GBX542.00 +0.00% +0.00% 547.73K
105 Pioneering Technology Corp
V:PTE 		$608.10K CA$840.63K Canada CA$0.02 -25.00% -25.00% 1.07 Million
106 MCS Services Ltd
AU:MSG 		$560.67K AU$792.40K Australia AU$0.00 +0.00% +0.00% 0.00
107 Synectics plc
LSE:SNX 		$382.82K GBX3.15 Billion UK GBX185.00 +0.00% -5.13% 459.93K
108 SU Group Holdings Limited Ordinary Shares
NASDAQ:SUGP 		$379.95K $379.95K USA $1.60 +0.00% -3.90% 27.39 Million
109 Croma Security Solutions Group Plc
LSE:CSSG 		$133.18K GBX1.09 Billion UK GBX79.50 +5.30% +9.66% 2.85 Million
110 Marlowe plc
LSE:MRL 		$122.94K GBX1.01 Billion UK GBX12.84 +0.00% +0.00% 622.99K
111 Newmark Security plc
LSE:NWT 		$115.24K GBX947.18 Million UK GBX100.50 +0.00% +3.61% 79.24K
112 Thruvision Group PLC
LSE:THRU 		$97.88K GBX804.48 Million UK GBX1.80 -2.70% -5.26% 71.98 Million
113 Petards Group plc
LSE:PEG 		$62.78K GBX515.99 Million UK GBX8.50 +0.00% +0.00% 736.56K
114 Image Scan Holdings Plc
LSE:IGE 		$54.95K GBX451.62 Million UK GBX3.30 +0.00% -1.49% 4.91 Million
115 Westminster Group Plc
LSE:WSG 		$46.68K GBX383.65 Million UK GBX0.85 +0.00% -34.62% 47.07 Million
116 SDM SE
XETRA:75S 		$2.22K €1.90K Germany €0.00 -97.14% -98.11% 7.36K
117 SDM SE INH O.N.
F:75S 		$2.22K €1.90K Germany €0.00 -97.14% -95.00% 2.00K

How Security & Protection Services Companies Are Ranked by Market Cap

Security & Protection Services companies are ranked by market cap, the latest share price multiplied by shares outstanding, with each company counted once at its primary listing.

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