What is Central Office Systems's NAICS code?

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

Insights

Strategic Growth Strong heritage and regional focus with a revenue range of 25M-50M and an experienced team positions Central Office Systems as a reliable partner for expanding managed IT, cybersecurity, and printing solutions in Wisconsin and nearby markets.

Acquisition Readiness Recent activity includes the Attivotech acquisition in 2018, signaling potential openness to integrating complementary security and technology offerings to broaden capabilities and client base.

Managed Services Expansion Portfolio spans Managed IT, cybersecurity, physical security, and managed print, suggesting cross-sell opportunities to existing MSP customers and upsell into security and print management services.

Technology Stack Utilizes a mix of cloud and SaaS platforms (AWS, Google Cloud, WordPress, WP Engine, Piwik PRO), enabling potential for joint marketing around cloud migrations, data analytics, and secure digital workflows.

Market Positioning Regional footprint with a focus on Wisconsin and a large local dealer presence in printing positions COS to compete with mid-market integrators; collaboration with like-sized peers may unlock channel-based selling and benchmarking against peers.

Similar companies to Central Office Systems

GreatAmerica
756$500M - $1B
Zones
181$100M - $250M
HP
138K$10B+
MARCO
813$50M - $100M
CDW
18K$10B+
Xerox
48K$1B - $10B
Insight
19K$1B - $10B
SHI International Corp.
8.1K$1B - $10B

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.