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Whelan Security
One of 179 professional service listings in Brentwood.
About Whelan Security
Whelan Security is a professional service in the professional services sector, based in Brentwood, MO. Its recorded address is 1699 S Hanley Rd, 63144-2900. The listing includes a telephone number, an official website, an email address. It is one of 179 professional service listings tracked in Brentwood; the nearest comparable listing is GardaWorld, within walking distance in St Louis. Whelan Security has 13 listed locations in total; this page covers the Brentwood branch.
- Address
- 1699 S Hanley Rd, Brentwood, MO, 63144-2900
- Phone
- +13146443227
- Website
- whelansecurity.com
- info@whelansecurity.com
- Social
Questions
Where is Whelan Security located?
1699 S Hanley Rd, Brentwood, MO, 63144-2900
How do I contact Whelan Security?
+13146443227 · http://www.whelansecurity.com
What type of business is Whelan Security?
Whelan Security is a professional service (professional services) in Brentwood.
Whelan Security branches
Whelan Security has 13 listed locations. This branch is in Brentwood.
- Houston77040-6009
- El Paso79902
- Austin78759
- Phoenix85029
- Phoenix85029
- Little Rock72201
- San Jose95113
- Oklahoma City73112
- Roseville55113
- Crescent Springs41017
Nearby professional service
- GardaWorldSt Louis0.0 km
- MediaCrossSt Louis0.3 km
- Clear to Launch Healthcare MarketingSt Louis0.5 km
- SteadyRainSaint Louis0.5 km
- tSunelaSaint Louis0.5 km
- AlcotekSt. Louis0.7 km
- St Louis Boiler SupplySt Louis0.6 km
- Building Butlers IncSaint Louis0.6 km
- Money Mailer of St. LouisSt Louis0.7 km
- Positive ImpressionsSt. Louis0.8 km
- Studio C5, LLCSaint Louis, MO1.1 km
- Stochastic MarketingBrentwood1.0 km
- ProtivitiBrentwood1.1 km
- Beacon HillSt. Louis1.1 km
- Human Resource Management CorporationBrentwood1.1 km
Cite this page
“Whelan Security, Brentwood — business.wiki, retrieved August 2026.” Facts on this page come from openly licensed data (Overture Maps Foundation) and are refreshed with each monthly release; sourcing is documented on the methodology page.