What is Central Office Systems's NAICS code?

Central Office Systems's NAICS code is 5415 (Computer Systems Design and Related Services).

Insights

Managed IT Advantage Longstanding regional IT services and cybersecurity provider with over 50 years in business presents a reliable access point for MSP partnerships, cross-sell opportunities in managed IT, cybersecurity and physical security services to Wisconsin-based mid-market firms.

Security & Compliance Current focus areas include cybersecurity and physical security, enabling a sales angle around protection of critical infrastructure, remote work security postures, and incident response for mid-sized enterprises facing evolving threat landscapes.

Acquisition Momentum History of strategic growth through acquisitions such as Attivo Technologies signals openness to integrating complementary security and tech capabilities, suggesting opportunities to position COS as a integration and migration partner for clients seeking expanded solutions.

Cloud & Tech Stack Presence on multiple cloud platforms (AWS, Google Cloud) and modern SaaS tools (WordPress, WP Engine, Piwik PRO) indicates opportunities to upsell cloud optimization, security hardening, monitoring, and data analytics services.

Mid Market Focus Revenue in the mid single to low double digits with a lean employee base implies a strong mid-market footprint where tailored managed services, cost-effective security, and scalable IT solutions could drive high-value expansions.

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Central Office Systems Tech Stack

Central Office Systems uses 8 technology products and services including iCIMS, Amazon Web Services, WordPress, and more. Explore Central Office Systems's tech stack below.

iCIMS
Applicant Tracking Systems
Amazon Web Services
Cloud Hosting
WordPress
Content Management System
Mailchimp
Email
Google Cloud
Infrastructure As A Service
PayPal
Payment Processing
WP Engine
Platform As A Service
Piwik PRO Core
Web Analytics

Media & News

Central Office Systems's Email Address Formats

Central Office Systems uses at least 3 email formats:

Central Office Systems Email Formats	Example	Percentage
FLast@centralofficesystems.com	JDoe@centralofficesystems.com	89%
First@centralofficesystems.com	John@centralofficesystems.com	8%
First.Last@centralofficesystems.com	John.Doe@centralofficesystems.com	3%

Frequently Asked Questions

What is Central Office Systems's phone number?

You can contact Central Office Systems's main corporate office by phone at

+1-262-784-****

. 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 Central Office Systems's official website and social media links?

Central Office Systems's official website is centralofficesystems.com and has social profiles on LinkedIn.

How much revenue does Central Office Systems generate?

As of September 2026, Central Office Systems's annual revenue is estimated to be $25M - $50M.

What is Central Office Systems's SIC code and NAICS code?

Central Office Systems's SIC code is 5111 - Printing and Writing Paper and NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Central Office Systems have currently?

As of September 2026, Central Office Systems has approximately 33 employees across 5 continents, including North America, Asia and Africa. Key team members include Managing Director: D. T., Sales Manager: R. S. and Assistant: C. G. Explore Central Office Systems's employee directory with LeadIQ.

What industry does Central Office Systems belong to?

Central Office Systems operates in the IT Services and IT Consulting industry.

What technology does Central Office Systems use?

Central Office Systems's tech stack includes iCIMS, Amazon Web Services, WordPress, Mailchimp, Google Cloud, PayPal, WP Engine and Piwik PRO Core.

What is Central Office Systems's email format?

Central Office Systems's email format typically follows the pattern of FLast@centralofficesystems.com. Find more Central Office Systems email formats with LeadIQ.

When was Central Office Systems founded?

Central Office Systems was founded in 1973.

Central Office Systems

Q: How many employees does Central Office Systems have currently?

Central Office Systems has approximately 33 employees.

Q: What technology does Central Office Systems use?

Central Office Systems's tech stack includes Cloudflare Bot Management, Modernizr, Konica Minolta, PHP, Open Graph.

IT Services and IT ConsultingWisconsin, United States11-50 Employees

Central Office Systems is a Waukesha, Wisconsin-based IT services and consulting firm that has operated since 1973. It offers managed IT, cybersecurity, and physical security, coordinating a client’s technology landscape under a single team. The company serves Wisconsin businesses, providing end-to-end IT support aimed at ensuring reliable and secure operations.
In 2018, Central Office Systems expanded with the acquisition of Attivotech. In 2020, it announced progress on its seventh edition of a managed print guide, reflecting continued growth in its managed services offerings.