Insights

Established Industry Presence Sentinel Technologies has been a prominent player in IT services since 1982, with a strong reputation in providing innovative and practical solutions across communications, data centers, and cloud services, which positions it well for expanding client engagements.

Recognition & Awards The company's recent receipt of multiple awards including the Pinnacle Award and Managed Service Provider of the Year highlights its industry credibility and capacity to serve high-profile clients, making it an attractive partner for organizations seeking trusted IT service providers.

Diverse Technology Stack With expertise in leading-edge tools and platforms such as Cisco, Microsoft, Google Cloud, and Splunk, Sentinel is well-positioned to leverage new technologies and offer comprehensive solutions to clients looking to modernize and secure their IT environments.

Wide Geographic Reach Serving customers nationally and internationally with multiple operating centers across the US, Sentinel offers opportunities for regional and global sales expansion, particularly for clients seeking localized or geographically diversified IT support.

Growth & Innovation Focus Sentinel's consistent growth in revenue and workforce, coupled with its partnerships and awards for innovative solutions, suggests significant potential for cross-selling advanced managed services, security, and cloud offerings to existing and new clients.

Sentinel Technologies Tech Stack

Sentinel Technologies uses 8 technology products and services including iCIMS, Adobe, Cisco VoIP, and more. Explore Sentinel Technologies's tech stack below.

  • iCIMS
    Applicant Tracking Systems
  • Adobe
    Audio, Video, Graphics
  • Cisco VoIP
    Communication And Collaboration
  • Kronos
    Human Resource Management System
  • Google Cloud
    Infrastructure As A Service
  • Splunk
    Miscellaneous
  • Python
    Programming Languages
  • Microsoft Dynamics 365 Business Central
    Sales

Media & News

Sentinel Technologies's Email Address Formats

Sentinel Technologies uses at least 1 format(s):
Sentinel Technologies Email FormatsExamplePercentage
FLast@sentinel.comJDoe@sentinel.com
90%
LFirst@sentinel.comDJohn@sentinel.com
4%
Last@sentinel.comDoe@sentinel.com
3%
FiLast@sentinel.comJoDoe@sentinel.com
3%

Frequently Asked Questions

Where is Sentinel Technologies's headquarters located?

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Sentinel Technologies's main headquarters is located at 2550 Warrenville Road Downers Grove, Illinois 60515 United States. The company has employees across 6 continents, including North AmericaAsiaEurope.

What is Sentinel Technologies's phone number?

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You can contact Sentinel Technologies's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Sentinel Technologies's official website and social media links?

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Sentinel Technologies's official website is sentinel.com and has social profiles on LinkedIn.

What is Sentinel Technologies's NAICS code?

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Sentinel Technologies's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Sentinel Technologies have currently?

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As of February 2026, Sentinel Technologies has approximately 779 employees across 6 continents, including North AmericaAsiaEurope. Key team members include Chief Executive Officer: I. T.Chief Operations Officer: B. F.Vice President Of Sales - U.S. East: D. J.. Explore Sentinel Technologies's employee directory with LeadIQ.

What industry does Sentinel Technologies belong to?

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Sentinel Technologies operates in the IT Services and IT Consulting industry.

What technology does Sentinel Technologies use?

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Sentinel Technologies's tech stack includes iCIMSAdobeCisco VoIPKronosGoogle CloudSplunkPythonMicrosoft Dynamics 365 Business Central.

What is Sentinel Technologies's email format?

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Sentinel Technologies's email format typically follows the pattern of FLast@sentinel.com. Find more Sentinel Technologies email formats with LeadIQ.

When was Sentinel Technologies founded?

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Sentinel Technologies was founded in 1982.

Sentinel Technologies

IT Services and IT ConsultingIllinois, United States501-1000 Employees

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.

Section iconCompany Overview

Headquarters
2550 Warrenville Road Downers Grove, Illinois 60515 United States
Phone number
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
1982
Employees
501-1000

Section iconFunding & Financials

  • $500M$1B

    Sentinel Technologies's revenue is estimated to be in the range of $500M$1B

Section iconFunding & Financials

  • $500M$1B

    Sentinel Technologies's revenue is estimated to be in the range of $500M$1B

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