What is Sentry Security's NAICS code?

Sentry Security's NAICS code is 5616 (Investigation and Security Services).

Insights

Growth opportunity Sentry Security has a mid-sized footprint (201-500 employees) with $10M-$25M in revenue and recent expansion activity in Chicago, signaling momentum and capacity for larger, multi-site security projects for mid-market clients.

Integrated systems Their focus on an integrated hardware-software security approach across facilities and multi-site campuses presents a strong cross-sell opportunity for scalable access control, video surveillance, intrusion detection, fire detection, and perimeter lighting for corporate campuses and multi-building environments.

Real-time operations Emphasis on real-time information delivery and 24/7 responsive security professionals can be leveraged to target customers needing high-visibility monitoring, incident response services, and service-level assurances for critical infrastructure.

Financing leverage Recent financing activity to refinance debt and fund acquisitions suggests potential receptiveness to bundled security upgrades financed over time, enabling a broader solution sale and ongoing maintenance contracts.

Tech stack fit Utilization of cloud and enterprise technologies (AWS, Google Cloud, Sucuri, Shopify/WooCommerce) indicates readiness to integrate with digital storefronts, e-commerce platforms, and cloud-based security management, opening opportunities with retail or multi-site customers.

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Sentry Security Tech Stack

Sentry Security uses 8 technology products and services including iCIMS, Amazon Web Services, Sucuri, and more. Explore Sentry Security's tech stack below.

iCIMS
Applicant Tracking Systems
Amazon Web Services
Cloud Hosting
Sucuri
Content Delivery Network
Shopify
E-commerce
WooCommerce
E-commerce
Google Cloud
Infrastructure As A Service
WP Engine
Platform As A Service
Piwik PRO Core
Web Analytics

Media & News

Sentry Security, LLC. expands offices in Chicago, Illinois, United States, Northern America, Americas.
Sentry Security will use the revolving line of credit to refinance debt and provide capital for future acquisitions, with the intent of continuing to expand operations in the greater Chicago area.
May 20, 2021 | www.sdmmag.com

Sentry Security's Email Address Formats

Sentry Security uses at least 4 email formats:

Sentry Security Email Formats	Example	Percentage
FLast@sentrysecurity.com	JDoe@sentrysecurity.com	81%
First@sentrysecurity.com	John@sentrysecurity.com	11%
F.Last@sentrysecurity.com	J.Doe@sentrysecurity.com	6%
Last@sentrysecurity.com	Doe@sentrysecurity.com	2%

Frequently Asked Questions

What is Sentry Security's phone number?

You can contact Sentry Security's main corporate office by phone at

+1-847-398-****

. 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 Sentry Security's official website and social media links?

Sentry Security's official website is sentrysecurity.com and has social profiles on LinkedIn.

How much revenue does Sentry Security generate?

As of August 2026, Sentry Security's annual revenue is estimated to be $10M - $25M.

What is Sentry Security's SIC code and NAICS code?

Sentry Security's SIC code is 7381 - Detective, Guard, and Armored Car Services and NAICS code is 5616 - Investigation and Security Services.

How many employees does Sentry Security have currently?

As of August 2026, Sentry Security has approximately 257 employees across 4 continents, including North America, Europe and Africa. Key team members include Owner: D. L., Owner: F. B. and Owner: R. S. Explore Sentry Security's employee directory with LeadIQ.

What industry does Sentry Security belong to?

Sentry Security operates in the Security and Investigations industry.

What technology does Sentry Security use?

Sentry Security's tech stack includes iCIMS, Amazon Web Services, Sucuri, Shopify, WooCommerce, Google Cloud, WP Engine and Piwik PRO Core.

What is Sentry Security's email format?

Sentry Security's email format typically follows the pattern of FLast@sentrysecurity.com. Find more Sentry Security email formats with LeadIQ.

When was Sentry Security founded?

Sentry Security was founded in 1972.

Sentry Security

Q: What is Sentry Security's official website and social media links?

Sentry Security's official website is sentrysecurity.com. Sentry Security has social profiles on LinkedIn.

Q: How many employees does Sentry Security have currently?

Sentry Security has approximately 257 employees.

Q: What technology does Sentry Security use?

Sentry Security's tech stack includes Microsoft Ajax Content Delivery Network, Apache HTTP Server, Really Simple Discovery, jQuery Migrate, WordPress Block Editor.

Security and InvestigationsIllinois, United States201-500 Employees

Sentry Security is a security and investigations company based in Wheeling, Illinois, at 339 Egidi Drive, Wheeling, IL 60090. It provides integrated security systems that combine hardware and software to protect people, facilities, and assets across single facilities, multi-building campuses, or multiple sites. The company operates with 24/7 security professionals to provide real-time information and support, helping clients prepare for unexpected events. Its services include access control, intrusion detection, video surveillance, fire detection, perimeter lighting, and related security solutions, supported by a technology stack that includes Google Cloud and Google Maps. In 2021, the company expanded its Chicago-area offices, reflecting growth alongside reported annual revenue in the range of $10 million to $25 million.