Whelan’s commitment to quality and service has made us one of the foremost respected, successful and fastest growing companies in the industry. Today, we rank as one of the largest contract security companies operating in the United Sates, and serve hundreds of different clients in many diverse industries throughout the United States. As we continue to grow, we have a consistent need for talented, assertive and positive individuals who have a friendly attitude, strong initiative, and the desire to lead in security officer jobs. If you are looking for a challenging and rewarding career in the security industry, we encourage you to take the first step towards becoming a part of the Whelan team.
Looking for a particular Whelan Security employee's phone or email?
Whelan Security Questions
The Whelan Security annual revenue was $100 million in 2026.
Pat Twardowski is the Chairman and CEO of Whelan Security.
829 people are employed at Whelan Security.
Whelan Security is based in St. Louis, Missouri.
The SIC codes for Whelan Security are [73, 738].
Top Whelan Security Employees
-
Pat Twardowski
Chairman and CEO at Whelan Security
St. Louis, MO, US15 -
Bryan Graiff
Chief Financial Officer at Whelan Security
St. Louis, MO, US23 -
15
-
25
-
Josef Gordon
Director of Security at Whelan Security
Houston, TX, US35+ -
Pablo Alvarez
Project Manager at Whelan Security
Washington, DC, US11 -
Jeffrey Wolff
Account Manager at Whelan Security
Flagstaff, AZ, US32 -
Sadie Tigner
Manager Security Services at Whelan Security
Chicago, IL, US23 -
Michael McCray
Security Director at Whelan Security
Missouri City, TX, US15 -
Tara Langford
Events Manager at Whelan Security
Minneapolis, MN, US11
Related Companies
