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When it comes to achieving a tangible ROI and sustainable performance from your IT environment, Sentinel takes the lead. Even as our services have spanned generations of technology, Sentinel has stayed at the forefront of IT developments and maintained a singular focus on providing practical and innovative solutions. With single-source accountability, Sentinel processes and teams can efficiently address a range of IT needs – from communications, to data center, to cloud and managed services. Our proven success has allowed us to expand from our original charter of providing technology maintenance services to our current standing as one of the leading IT services and solutions provider in the U.S. By aligning with many of today’s global technology leaders including Cisco, Microsoft, Dell EMC, NetApp and VMware, Sentinel solutions achieve tangible results. Sentinel services customers both nationally and internationally with operating centers in Downers Grove, IL; Chicago, IL; Springfield, IL; Detroit, MI; Grand Rapids, MI; Lansing, MI; Milwaukee, WI; Phoenix, AZ; and Denver, CO. Since 1982, opportunities at Sentinel have been created by achieving consistent growth in our core business coupled with expanded geographic reach and the rapid adoption of cutting edge technology. Our commitment to our employees has remained consistent through the years-to create a work environment that encourages creativity, an entrepreneurial spirit, fosters growth through certification and hands-on training, and rewards success! Ranked #7 in the Chicago Tribune Top 100 workplaces, midsize business category.

Website http://www.sentinel.com
Revenue $248.6 million
Employees 797 (633 on RocketReach)
Founded 1982
Address 2550 Warrenville Road, Downers Grove, Illinois 60515, US
Phone +1 630-769-4394
Fax (630) 769-1399
Technologies
Industry Software, IT Services and IT Consulting, Custom Software & Technical Consulting, Cloud Data Services, Data Center Solutions, Information Technology, Communication Solutions, Internet Services, Managed/Outsourced Solutions, Outsourcing, Cisco, Professional Services, EMC, NetApp, VMware, Microsoft, Network Security, Citrix, Cloud
Web Rank 670895
Keywords Application Security, Cybersecurity, Security Consulting, It Services, Managed Services, Cloud Solutions, Data Security, Network Security, It Consulting, Technology Solutions, Information Security, Risk Management, Compliance, It Infrastructure, Systems Integration, Digital Transformation, It Support, Software Solutions, Business Continuity, Disaster Recovery
Competitors Insight, CDW, SHI International Corp., NetApp, World Wide Technology, Softchoice, Connection, Presidio, Maven Wave, an Eviden Company, Grey Matter +42 more (view full list)
SIC SIC Code 737 Companies, SIC Code 73 Companies
NAICS NAICS Code 541513 Companies, NAICS Code 54 Companies, NAICS Code 54151 Companies, NAICS Code 5415 Companies, NAICS Code 541 Companies

Sentinel Technologies Questions

The Sentinel Technologies annual revenue was $248.6 million in 2026.

Timothy Hill is the CFO of Sentinel Technologies.

633 people are employed at Sentinel Technologies.

Sentinel Technologies is based in Downers Grove, Illinois.

The NAICS codes for Sentinel Technologies are [541513, 54, 54151, 5415, 541].

The SIC codes for Sentinel Technologies are [737, 73].

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