What is Gillmore Security Systems, Inc's NAICS code?

Gillmore Security Systems, Inc's NAICS code is 5616 (Investigation and Security Services).

Insights

Family security heritage Established, long-standing Northeast Ohio provider with a 50+ year track record and a third-generation leadership team. This suggests opportunities to upsell advanced integrated security solutions to loyal, repeat customers and leverage referrals from a trusted local brand.

Comprehensive in-house monitoring In-house UL 5-Diamond Central Monitoring Station indicates strong security operations and quick response times. Sales opportunities include managed monitoring packages, premium alarm response services, and enterprise-grade monitoring for larger commercial clients.

Integrated systems focus Experience across residential and commercial electronics, fire monitoring, access control, environmental sensing, and video. Cross-sell capabilities exist for multi-discipline security deployments and upgrades to centralized, scalable platforms.

Technology stack breadth Utilizes WordPress, Shopify, Mailchimp, Microsoft 365, SendGrid, Azure, HTTP/3, and other tools. Potential to enhance client onboarding, marketing automation, and customer success initiatives to drive renewals and expanded service adoption.

Growth and market positioning Revenue in the mid tens of millions with 11–50 employees and a footprint rooted in Northeast Ohio. Positioned against larger national players; opportunity to target mid-market businesses and affluent residential clusters with tailored security modernization, monitoring, and smart-building solutions.

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Gillmore Security Systems, Inc Tech Stack

Gillmore Security Systems, Inc uses 8 technology products and services including WordPress, Shopify, Mailchimp, and more. Explore Gillmore Security Systems, Inc's tech stack below.

WordPress
Content Management System
Shopify
E-commerce
Mailchimp
Email
Microsoft 365
Email
SendGrid
Email Delivery
Priority Hints
Performance
Microsoft Azure
Platform As A Service
HTTP/3
Web & Portal Technology

Gillmore Security Systems, Inc's Email Address Formats

Gillmore Security Systems, Inc uses at least 4 email formats:

Gillmore Security Systems, Inc Email Formats	Example	Percentage
FLast@gillmoresecurity.com	JDoe@gillmoresecurity.com	92%
FirstL@gillmoresecurity.com	JohnD@gillmoresecurity.com	2%
FirstLast@gillmoresecurity.com	JohnDoe@gillmoresecurity.com	3%
First.Last@gillmoresecurity.com	John.Doe@gillmoresecurity.com	3%

Frequently Asked Questions

What is Gillmore Security Systems, Inc's phone number?

You can contact Gillmore Security Systems, Inc's main corporate office by phone at

+1-440-232-****

. 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 Gillmore Security Systems, Inc's official website and social media links?

Gillmore Security Systems, Inc's official website is gillmoresecurity.com and has social profiles on LinkedIn.

How much revenue does Gillmore Security Systems, Inc generate?

As of October 2026, Gillmore Security Systems, Inc's annual revenue is estimated to be $10M - $25M.

What is Gillmore Security Systems, Inc's SIC code and NAICS code?

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

How many employees does Gillmore Security Systems, Inc have currently?

As of October 2026, Gillmore Security Systems, Inc has approximately 49 employees across 1 continents, including North America. Key team members include Chief Executive Officer: A. G., Owner: A. G. and Service Supervisor: T. K. Explore Gillmore Security Systems, Inc's employee directory with LeadIQ.

What industry does Gillmore Security Systems, Inc belong to?

Gillmore Security Systems, Inc operates in the Security and Investigations industry.

What technology does Gillmore Security Systems, Inc use?

Gillmore Security Systems, Inc's tech stack includes WordPress, Shopify, Mailchimp, Microsoft 365, SendGrid, Priority Hints, Microsoft Azure and HTTP/3.

What is Gillmore Security Systems, Inc's email format?

Gillmore Security Systems, Inc's email format typically follows the pattern of FLast@gillmoresecurity.com. Find more Gillmore Security Systems, Inc email formats with LeadIQ.

When was Gillmore Security Systems, Inc founded?

Gillmore Security Systems, Inc was founded in 1971.

Gillmore Security Systems, Inc

Q: What technology does Gillmore Security Systems, Inc use?

Gillmore Security Systems, Inc's tech stack includes jQuery Validation Plugin, Cloudflare, PHP, yepnope.js, Apple iCloud Mail.

Security and InvestigationsOhio, United States11-50 Employees

Gillmore Security Systems, Inc. is a security and investigations company based in Cleveland, Ohio, with roots dating to 1971. It serves residential and commercial clients in Northeast Ohio, offering installation and ongoing service for electronic security, fire monitoring, access control, environmental sensing, and digital video systems, backed by an in-house central monitoring station. The firm emphasizes customized system design tailored to each customer’s needs, supported by standardized service platforms and around-the-clock customer support. As a long-standing family business, it aims to protect families and businesses through reliable service, built on a foundation of honesty and integrity. The company operates in a competitive regional security market and positions itself on local trust and responsive, in-house monitoring capabilities.