Whelan Security: Detailed Company Information & Corporate Profile
Summary
Whelan Security is a private company that has been in the industry for 77 years. The company currently specializes in the Security and Investigations, Business Support Services areas. The position of the President is occupied by Greg Twardowski. Its headquarters is located at Saint Louis, Missouri, USA. The number of employees ranges from 5.0K to 10K. The annual revenue of Whelan Security varies between 500M and 1B. To connect with Whelan Security employee register on SignalHire.
| Whelan Security Website | whelansecurity.com |
| Social Links |    |
| Phone Number | 314-644-3227 |
| Industries | |
| Whelan Security Headquarters address | 1699 South Hanley Road, Ste. 350, St. Louis, MO, 63144 US |
| Company Size | 5000-10000 employees |
| Specialties | Uniformed Security Services, Event Services, Disaster & Emergency Response Services, Strike & Labor Dispute Services, Patrol & Alarm Response Services, Temporary Security Services |
| SIC Code | 7380 |
| DMA Code | Greater St. Louis Metropolitan Area |
| Founded | 1949 |
| Estimated Annual Revenue | $500M - 1B |
| Operating Status | Acquired |
Competitors
Name | Founded | Type | Employees | Revenue | Funding |
|---|---|---|---|---|---|
| 1976 | - | 100 - 250 | 8.2M | $150K | |
| 1901 | Public Company | 100K - 9.9M | 21.1B | $0 | |
| 1973 | Privately Held | 100 - 250 | 1B | $0 | |
| 1955 | Privately Held | 5.0K - 10K | 968M | $0 |
Subsidiaries and Affiliated Companies
Workforce Turnover
Length of Employment
Whelan Security's workforce includes employees across a wide range of tenure levels.
1% have been with the company for 3 to 4 years9% have been with the company for 5 to 7 years27% have been with the company for 8 to 10 years63% have been with the company for more than 11 years
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Whelan Security Corporate Information: FAQ
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