Sentinel Technologies Information
Summary
Sentinel Technologies is a private company that has been in the industry for 44 years. The company currently specializes in the Information Technology and Services, IT Services, Messaging, Enterprise Software, Data Center areas. The position of the President & CEO is occupied by Dennis Hoelzer. Its headquarters is located at Downers Grove, Illinois, USA. The number of employees ranges from 500 to 1.0K. The annual revenue of Sentinel Technologies varies between 100M and 500M. To connect with Sentinel Technologies employee register on SignalHire.
Organization Website | sentinel.com |
Social Links |  |
Phone Number | 800-769-4343 |
Industries | |
Headquarters Location | 2550 Warrenville Road, Downers Grove, IL, 60515 US |
Employees Size | 500-1000 employees |
Specialties | Data Center Solutions, Communication Solutions, Managed/Outsourced Solutions, Cisco, EMC, NetApp, VMware, Microsoft, Network Security, Citrix, Cloud, cybersecurity, collaboration, Hybrid Cloud, Backup and Recovery, Storage, Big Data, converged infrastructure, Hyper-Converged Infrastructure, Security as a Service, SOC, NOC, application security, endpoint security, network and perimeter security, physical security, Colocation Hosting, DRaaS, BaaS, WiFiaaS, Business Process Consultancy, HANS, Technical Staffing, Dell EMC, Pure Storage, VCE, Duo, Nimble Storage, Attivo Networks, Solarwinds, managed services |
SIC Code | 7371 |
DMA Code | Chicago Metropolitan Area |
Founded | 1982 |
Estimated Annual Revenue | $100M - 500M |
Operating Status | Subsidiary |
Competitors
Founded | Type | Employees | Revenue | Funding | |
|---|---|---|---|---|---|
| 1987 | Public Company | 1.0K - 5.0K | 558.9M | $54M | |
| 2007 | Public Company | 500 - 1.0K | 60.5M | $15.9M | |
| 2006 | Privately Held | 250 - 500 | 30M | $10M | |
| 2005 | Privately Held | 100 - 250 | 106M | $0 |
Employees Turnover 4 quarter 2025
Number of employees switched from or switched to
Number of employees by department
Length of Employment
Employee tenure at Sentinel Technologies shows a diverse range of experience levels:
1% have been with the company for less than 1 year8% for 1–2 years12% for 3–4 years16% for 5–7 years13% for 8–10 years50% have over 11 years of service at Sentinel TechnologiesEx-employees positions
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