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Companies using OpenBSD by OpenBSD in 2025

As of 2025, 335 verified companies use OpenBSD – across industries, company sizes, and geographies. This is real, verified data. Whether you’re looking to analyze the market, build a target list, or get a sales edge – this is your starting point.

https://www.openbsd.org

What is OpenBSD?

OpenBSD by the OpenBSD Project is a free and open-source Unix-like operating system descended from Berkeley Software Distribution (BSD). It’s renowned for its strong focus on security, code correctness, and cryptography. It is suitable for use as servers, embedded systems, and general-purpose computing; commonly deployed within networking, security, and development departments that require high stability and security.

Last updated date

August 17, 2025

Number of Companies using

335

The majority are based in the

United States

Most common industry?

Education

OpenBSD’s sample user list in 2025

Company Name

Country

Industry

Employees

Revenue

Product

Microsoft

United States flag
United States

Database & File Management Software

228000

$270B

OpenBSD

McKesson

United States flag
United States

Drug Stores & Pharmacies

43000

$359.1B

OpenBSD

IBM

United States flag
United States

Custom Software & IT Services

270300

$62.8B

OpenBSD

Intel

United States flag
United States

Computer Equipment & Peripherals

108900

$53.1B

OpenBSD

Cigna

United States flag
United States

Insurance

73500

$247.1B

OpenBSD

Alibaba Group

China flag
China

Holding Companies & Conglomerates

124320

$136.3B

OpenBSD

Verizon

United States flag
United States

Telephony & Wireless

99400

$135.3B

OpenBSD

Shell

United Kingdom flag
United Kingdom

Convenience Stores, Gas Stations & Liquor Stores

96000

$281.1B

OpenBSD

CISCO

United States flag
United States

Telecommunication Equipment

90400

$55.6B

OpenBSD

Oracle

United States flag
United States

Custom Software & IT Services

159000

$55.8B

OpenBSD

Showing 10 of 335 results

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We have data on 335 companies that use OpenBSD. Our OpenBSD customers list is available for download and comes enriched with vital company specifics, including industry classification, organizational size, geographical location, funding rounds, and revenue figures, among others.

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OpenBSD users and customers by country

United States flag
United States
Germany flag
Germany

2.6K Companies

France flag
France

2.6K Companies

Canada flag
Canada

2.6K Companies

United Kingdom flag
United Kingdom

2.6K Companies

Where OpenBSD Shows Up Most

OpenBSD is used across a wide range of sectors:

Education

Colleges & Universities

Business Services

Custom Software & IT Services

Manufacturing

From lean startups to global enterprises, OpenBSD’s footprint is wide, and that means opportunity.

sectors

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This data is updated on August 17, 2025

OpenBSD is a free and open-source Unix-like operating system descended from Berkeley Software Distribution (BSD). It’s known for its strong focus on security, code correctness, and cryptography.

OpenBSD is suitable for use as servers, embedded systems, and general-purpose computing. It is commonly deployed within networking, security, and development departments where high stability and security are required.

As of 2025, there are 335 verified companies using OpenBSD across various industries, company sizes, and geographies.

The OpenBSD customer list includes vital company specifics such as industry classification, organizational size, geographical location, funding rounds, and revenue figures.

The United States has the highest number of companies using OpenBSD.