Security Services
Houston
60 businesses listed, showing 41–60. How we order them.
Houston has 60 security service listings on SiteCity, clustered most heavily around 77060, which holds 7 of them. Zip codes 77002, 77074, and 77079 each carry 5 listings, with 77081 close behind at 4. If you're near one of those areas, start your search there before widening out, since that's where the most options sit close together. All 60 listings include a phone number, and 56 have a website link, so you can usually check a company's site before you dial. Call two or three that fit your budget and coverage area, and ask directly about licensing, response times, and contract terms, since that detail isn't something a directory listing can capture for you.
More about security services in Houston ↓ ↑
None of the security service listings in Houston currently carry a Sponsored tag, because paid placement for this category hasn't been switched on here, so the order you see reflects plain directory sequencing rather than a promoted lineup. If you operate one of these companies and notice a missing website or outdated contact info, you can claim your listing and update it yourself, which helps a homeowner or business owner in a zip like 77036 or 77092 reach you without extra digging.
Security Services in Houston by the numbers
SiteCity lists 60 businesses under Security Services in Houston, TX, as of November 4, 2026. 60 list a phone number and 56 list a website.
Most-listed ZIP codes: 77060 (7), 77002 (5) and 77074 (5).
Listings come from Overture Maps Foundation places data (release 2026-08-19.0, which includes Foursquare OS Places) and from businesses added or updated through SiteCity. How we count.
Listings20
- Western Eagle Security
11201 Richmond Ave Ste 108, 77082
- Python Wolf, LLC
6260 Westpark Dr Ste 303, 77057
- Griffin Protective Service, LLC
5718 Westheimer Rd Ste 1000, 77057
- Main Security & Investigations
11221 Richmond Ave Ste C103, 77082
- GardaTexas LLC, security guard services
6065 Hilcroft St Ste 300B, 77081
- Premier Security Pros formerly known as Optimum Security Professionals
1980 Post Oak Blvd Ste 100, 77056
- GardaWorld
13333 NW Freeway, Ste 630, 77040
- Allied Universal® Security Services
9800 NW Freeway Ste 400, 77092
- Allied Universal® Security Services
2424 Wilcrest Ste 200, 77034
- US Defensive Security Services LLC
6802 bintiff Dr Ste B, 77074
- GardaWorld
12605 E Fwy, Ste 650, 77015
- WestCoast Security & Investigative Agency
15115 Park Row Blvd. Suite 350-58, 77084
- Heavy Armour Security Company
6335 Gulfton St, 77081
- 24 & 7 Security & Investigation - Houston Security Guard Company
2101 Crawford St Ste 309, 77002
- Tlg Fingerprinting Notary & Apostille
810 S Texas 6 Ste 105, 77079
- Allied Universal® Security Services
11811 N Freeway Ste 810, 77060
- Hilltop Securities Inc.
700 Milam St, Pennzoil Pl Ste 1200, 77002
- US Defensive Security Services LLC
6802 bintiff Dr Ste B, 77074
- Med Security Inc
7505 Fannin St Ste 315, 77054
- Kastle VideoGuarding
3121 Richmond Avenue, 77098
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