Founded in 1949 as a simple security patrol company along the St. Louis riverfront, Whelan Security has enjoyed a rich heritage of service excellence rivaled by few in the contract security industry. While other security companies continue to merge, consolidate, or sell, Whelan is still owned by the same family and guided by the same business principles – more... more than a half century after opening our doors. Today, headquartered in St. Louis, MO, Whelan Security ranks within the top one percent of all security companies in the United States and operates as the largest regional security provider in the Midwest and Central United States also offering coast to coast service through our national subsidiary, TransNational Security .
Whelan Security has extensive vertical market expertise across many industry sectors and continues to expand its geographical reach through organic growth as opposed to acquisitions.
The following timeline provides just a glimpse of our historical growth:
| 1949 |
Whelan Security is founded in St. Louis, Missouri by James T. Whelan, uncle of current Chairman, Patrick Twardowski. – less – More from ZoomInfo »
Whelan Security Employer Reviews
Whelan Security2.0
Typical unarmad security position
Supervisor (Former Employee), Frederick, Maryland – January 25, 2012
Whelan Security1.0
Whelan management 10 core values
Security officer (Former Employee), Dallas, Texas – January 15, 2012
Whelan Security5.0
this was a great job to work for you meet a lot of new people
unarmed security (Former Employee), st louis mo – December 6, 2011
Whelan Security2.0
Not For a Family Person
Security Officer (Current Employee), St. Louis Area and Surrounding Counties – December 3, 2011
Whelan Security5.0
Overall top notch security company.
Security Officer (Former Employee), Blue Cross Blue Shield - Quincy,IL – November 25, 2011
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