CentOS is a Linux distribution that provides a free, community-supported computing platform functionally compatible with its upstream source, Red Hat Enterprise Linux (RHEL).

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Companies

3,861

Top Country

US

Top Industry

Consulting

Adoption Insights

CentOS is used by 3,861 companies in our database, representing approximately 0.13% of all tracked websites. The most common industry using CentOS is Consulting, and adoption is strongest in US.

Top Countries Using CentOS

US1,560 companies
JP378 companies
GB276 companies
IT206 companies
CA169 companies
BR143 companies
FR138 companies
ES136 companies
DE120 companies
CZ83 companies

Top Industries Using CentOS

Consulting230 companies
Advertising165 companies
Information Technology160 companies
Automotive128 companies
Industrial117 companies
Health Care98 companies
E-Commerce96 companies
Internet78 companies
Electronics67 companies
Education61 companies

Companies Using CentOS

CompanyDomain
ESPNespn.com
SlickTextslicktext.com
TVU Networkstvunetworks.com
Upperline Healthupperlinehealth.com
Humanetics Corporationhumaneticscorp.com
Lundin Mininglundinmining.com
DRIMCodrimco.net
ATLAS CAPITAL GROUPatlas-cap.com
Sharestatessharestates.com
ETCHetchmaterials.com

How We Detect CentOS

The Web Radar detects CentOS by analyzing HTTP headers, JavaScript variables, HTML source code, cookies, and DNS records across 3M+ websites. Our detection engine uses over 10,000+ pattern rules to ensure accurate identification. Browse all technologies →

Frequently Asked Questions

What is CentOS?+

CentOS is a Linux distribution that provides a free, community-supported computing platform functionally compatible with its upstream source, Red Hat Enterprise Linux (RHEL).

How many companies use CentOS?+

3,861 companies in our database use CentOS, representing approximately 0.13% of all tracked websites.

What industries use CentOS the most?+

The top industries using CentOS are Consulting, Advertising, Information Technology.

What countries use CentOS the most?+

The top countries using CentOS are US, JP, GB.

Is CentOS popular?+

CentOS is used by 3,861 companies, making it one of the most widely adopted Operating systems technology based on adoption across our tracked websites.

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Data last updated: June 2026