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Top 7 Operating Systems Companies (October 2026)

As of October 2026, Latka tracks 7 operating systems companies. They have combined revenues of $306.8M and employ 2.8K people. They have raised $12.7M and serve 400 customers combined.

Every company below sells operating systems to other businesses and is ranked by its most recent annual revenue. Revenue, funding, headcount and customer figures come from CEO interviews on the Latka podcast, public company filings, and Latka estimates where a company has not disclosed a number.

What Operating Systems Companies do

The operating systems industry encompasses software that serves as the backbone of computer hardware, managing resources and providing a platform for applications to run. Operating systems facilitate essential functions such as task scheduling, memory management, file system operations, and user interface management, making them crucial for both personal and enterprise computing environments. Key use cases for operating systems include powering personal computers, servers, mobile devices, and embedded systems. Typical features of operating systems include multitasking capabilities, security protocols, networking functionality, and support for various hardware components. Common buyer personas range from IT administrators and system architects to software developers who require a stable and efficient environment for their applications. Operating systems also play a critical role in ensuring compatibility and interoperability among different hardware and software products, which is essential for collaborative and integrated environments. By providing necessary APIs and system calls, they enable developers to create applications that function seamlessly on top of various hardware configurations.

Companies
7
Revenue
$306.8M
Funding
$12.7M
Employees
2.8K

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Top Operating Systems Companies by revenue

Showing 7 of 7 companies ranked by annual revenue.

1SUSE logo
SUSE

Nürnberg, Germany

SUSE is a global leader in innovative, reliable and secure enterprise open source solutions, including SUSEⓇ Linux Suite, SUSEⓇ Rancher Suite, SUSEⓇ Edge Suite and SUSEⓇ AI Suite. More than 60% of the Fortune 500 rely on SUSE to power their mission-critical workloads, enabling them to innovate everywhere – from the data center to the cloud, to the edge and beyond. SUSE puts the “open” back in open source, collaborating with partners and communities to give customers the agility to tackle innovation challenges today and the freedom to evolve their strategy and solutions tomorrow. For more information, visit www.suse.com.

Revenue
$297.9M
Year founded
1992
Team size
2.7K
2Lunatic logo
Lunatic

Vienna, Austria

Operating System for server-side apps

Revenue
$2.3M
Year founded
2020
Team size
15
3Sidero Labs, Inc. logo
Sidero Labs, Inc.

Santa Barbara, California, United States

Efficient, API-driven, and purpose-built for Kubernetes, Talos OS lets you treat the cluster as the machine, letting you focus on your applications instead of managing the OS. Sidero Metal automates bare metal Kubernetes cluster creations.

Revenue
$2M
Year founded
2019
Team size
18
4SeaStreet logo
SeaStreet

Wakefield, Massachusetts, United States

Developer of an operating system designed for converged virtual infrastructure. The company's platform offers a next generation model-based operating system for cloud across all domains such as compute, network, storage, applications and service assurance, enabling businesses and enterprises to reduce operational expenses and automate operations.

Revenue
$1.9M
Year founded
2012
Funding
$12.7M
Team size
19
5Tlon logo
Tlon

San Francisco, California, United States

Provider of a network operating system designed to run own servers and digital identities. The company's open source system is a personal virtual computer which stores data, runs apps and manages connected devices on a personal server controlling own data, code and identity.

Revenue
$1.5M
Customers
400
Year founded
2013
Team size
21
6Kynetics logo
Kynetics

Santa Clara, California, United States

Kynetics offers a suite of Android and Linux Operating Systems for embedded systems, supporting the most popular application processors. Kynetics provides a SaaS, Update Factory, to update and control embedded devices at scale.

Revenue
$1.1M
Year founded
2012
Team size
10
7Cangler logo
Cangler

Carlton, Victoria, Australia

Once every generation, an idea emerges that has the potential to revolutionize the way people work. The current state of corporate technology is a mess making it too difficult, too slow and too costly for companies to benefit from the latest and greatest technologies required to develop an agile, responsive organization that can respond to everchanging market dynamics. What is needed today is a total re-think and re-design of IT architecture, so companies run on an organization-wide IT operating system. This is a radical concept that empowers techies to quickly integrate, test and deploy new technological capabilities into business applications and processes without the complexity and high cost of traditional deployment methods. Simultaneously, the Cangler Operating System enables business professionals to access, develop and share applications and tools in a governed environment that results in faster data-driven decisions and business outcomes. The Cangler Operating System (c

Revenue
$171.5K
Year founded
2019
Team size
2

Frequently asked questions about Operating Systems Companies

How many operating systems companies are there?

Latka tracks 7 operating systems companies with reported revenue. Together they generate $306.8M in annual revenue and employ 2.8K people.

Which operating systems company is the largest?

SUSE is the largest, with $297.9M in annual revenue, founded in 1992.

How much revenue does a typical operating systems company make?

The average operating systems company in this list makes $43.8M a year, across 7 companies with reported revenue. They serve 400 customers combined.

Who are the leading Operating systems vendors?

Ranked by annual revenue, the leaders are SUSE, Lunatic, Sidero Labs, Inc., SeaStreet and Tlon.

How much funding have operating systems companies raised?

The 7 operating systems companies tracked here have raised $12.7M in disclosed funding between them.

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All IT Infrastructure Software SaaS categoriesEvery category we track inside IT Infrastructure Software, each ranked by revenue.Browse every SaaS industryThe full A-Z of SaaS categories Latka tracks, from Operating to everything else.

Inclusion Criteria

- Must provide core functionalities such as process management, memory management, and file system support. - Should enable user interaction through graphical or command-line interfaces. - Must support networking and communication protocols for connectivity. - Should include security features like user authentication and access control. - Not just a platform for applications; must also manage hardware resources efficiently.