Founded in 1949 in St. Louis, Whelan Security has enjoyed a rich heritage of service excellence rivaled by few in the contract security industry. While other security companies have merged, consolidated, downsized or sold, Whelan is still owned by the same family and driven by the same principles of integrity and business ethics over a half century after opening our doors. Today, we have grown to become the largest regional security company in the central corridor of the country and serve clients in many diverse industries. Here is a quick snapshot of fast facts about Whelan:

Privately-Held, Family-Owned, Conservatively-Managed Company

One of the 10-Largest American-Owned Security Firms in the Nation

Over $100 Million in Annual Revenue with All Growth Organic

Performance-Based Business Model