Insights

Security Expertise Opportunity CTSi Group specializes in mission-critical physical security solutions including IP-based video surveillance, access control, and wireless networking, making them a prime candidate for organizations seeking reliable and scalable security infrastructure across various industries.

Growing Small Business Market With a current revenue range of 1 million to 10 million and tailored solutions for small to mid-sized businesses, there is a significant potential to expand security offerings to similar companies looking to upgrade their facilities.

Public Sector Focus Partnering with local governments, hospitals, and schools indicates a strong public sector presence, opening opportunities to offer integrated security systems that meet compliance and safety standards for large-scale facilities.

Technology Integration Needs Utilizing a tech stack that includes advanced surveillance and networking solutions suggests a demand for innovative, future-proof security technologies, presenting a chance to cross-sell emerging products and services.

Expansion Potential Given their focus on designed, scalable, and resilient security systems, CTSi Group can explore growth markets by offering customized security solutions for expanding industries and geographic regions.

CTSi Group Tech Stack

CTSi Group uses 8 technology products and services including Google Fonts API, jQuery Migrate, Imunify360, and more. Explore CTSi Group's tech stack below.

  • Google Fonts API
    Font Scripts
  • jQuery Migrate
    Javascript Libraries
  • Imunify360
    Security
  • Bootstrap
    UI Frameworks
  • jPlayer
    Video Players
  • Contact Form 7
    Web Platform Extensions
  • Apache HTTP Server
    Web Servers
  • prettyPhoto
    Web Tools And Plugins

Media & News

CTSi Group's Email Address Formats

CTSi Group uses at least 1 format(s):
CTSi Group Email FormatsExamplePercentage
FLast@thinkcritical.comJDoe@thinkcritical.com
100%

Frequently Asked Questions

Where is CTSi Group's headquarters located?

Minus sign iconPlus sign icon
CTSi Group's main headquarters is located at 1247 Warren Avenue Downers Grove, Illinois 60515 United States. The company has employees across 1 continents, including North America.

What is CTSi Group's phone number?

Minus sign iconPlus sign icon
You can contact CTSi Group'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 CTSi Group's official website and social media links?

Minus sign iconPlus sign icon
CTSi Group's official website is thinkcritical.com and has social profiles on LinkedIn.

What is CTSi Group's NAICS code?

Minus sign iconPlus sign icon
CTSi Group's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does CTSi Group have currently?

Minus sign iconPlus sign icon
As of April 2026, CTSi Group has approximately 5 employees across 1 continents, including North America. Key team members include Vice President: J. P.Installation Technician: C. P.Wireless Engineer: M. B.. Explore CTSi Group's employee directory with LeadIQ.

What industry does CTSi Group belong to?

Minus sign iconPlus sign icon
CTSi Group operates in the IT Services and IT Consulting industry.

What technology does CTSi Group use?

Minus sign iconPlus sign icon
CTSi Group's tech stack includes Google Fonts APIjQuery MigrateImunify360BootstrapjPlayerContact Form 7Apache HTTP ServerprettyPhoto.

What is CTSi Group's email format?

Minus sign iconPlus sign icon
CTSi Group's email format typically follows the pattern of FLast@thinkcritical.com. Find more CTSi Group email formats with LeadIQ.

When was CTSi Group founded?

Minus sign iconPlus sign icon
CTSi Group was founded in 2003.

CTSi Group

IT Services and IT ConsultingIllinois, United States2-10 Employees

CTSi Group is a trusted physical security integrator delivering advanced surveillance, access control, and wireless connectivity solutions for organizations that require reliable, mission-critical security systems.

We specialize in IP-based video surveillance, modern access control platforms, and long-range wireless networking designed to protect facilities, people, and assets. Our team works closely with local governments, manufacturing facilities, hospitals, schools, and small to mid-size businesses to design and deploy scalable security solutions tailored to each environment.

At CTSi Group, we combine industry expertise with proven technologies to build secure, dependable systems that help organizations monitor operations, control access, and respond quickly to potential threats. From system design and installation to ongoing support, we focus on delivering solutions that are practical, resilient, and built for long-term performance.

Learn more about our solutions at www.thinkcritical.com.

Section iconCompany Overview

Headquarters
1247 Warren Avenue Downers Grove, Illinois 60515 United States
Phone number
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2003
Employees
2-10

Section iconMedia & News

Section iconFunding & Financials

  • $1M$10M

    CTSi Group's revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $1M$10M

    CTSi Group's revenue is estimated to be in the range of $1M$10M

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

ยฉ LeadIQ, Inc. All rights reserved.