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Companies using OpenVMS by VMS Software, Inc. in 2025

As of 2025, 297 verified companies use OpenVMS – 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.vmssoftware.com

What is OpenVMS by VMS Software, Inc.?

OpenVMS by VMS Software, Inc. is a versatile operating system renowned for its reliability and security. It’s commonly employed to manage critical workloads, focusing on areas like high availability, real-time processing, and mission-critical applications. OpenVMS finds application across various industries, including finance, healthcare, and government, particularly in IT departments.

Last updated date

August 17, 2025

Number of Companies using

297

The majority are based in the

United States

Most common industry?

Business Services

OpenVMS’s sample user list in 2025

Company Name

Country

Industry

Employees

Revenue

Product

IBM

United States flag
United States

Custom Software & IT Services

270300

$62.8B

OpenVMS

Accenture

Ireland flag
Ireland

Custom Software & IT Services

791000

$68.5B

OpenVMS

Verizon

United States flag
United States

Telephony & Wireless

99400

$135.3B

OpenVMS

NTT Data Group

Japan flag
Japan

Custom Software & IT Services

193513

$29.4B

OpenVMS

Oracle

United States flag
United States

Custom Software & IT Services

159000

$55.8B

OpenVMS

HCL Technologies

India flag
India

Custom Software & IT Services

227481

$13.3B

OpenVMS

GENERAL MOTORS

United States flag
United States

Motor Vehicles

162000

$182.7B

OpenVMS

BAE Systems

United Kingdom flag
United Kingdom

Aerospace & Defense

100000

$30.5B

OpenVMS

HSBC

United Kingdom flag
United Kingdom

Banking

211940

$68.1B

OpenVMS

Tata Consultancy Services

India flag
India

Custom Software & IT Services

607354

$7.5B

OpenVMS

Showing 10 of 297 results

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We have data on 297 companies that use OpenVMS. Our OpenVMS 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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OpenVMS users and customers by country

United States flag
United States
United Kingdom flag
United Kingdom

2.6K Companies

France flag
France

2.6K Companies

Canada flag
Canada

2.6K Companies

Netherlands flag
Netherlands

2.6K Companies

Where OpenVMS Shows Up Most

OpenVMS is used across a wide range of sectors:

Business Services

Custom Software & IT Services

Manufacturing

Finance

Software

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

sectors

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This data is updated on August 17, 2025

OpenVMS by VMS Software, Inc. is a versatile operating system renowned for its reliability and security. It is commonly employed to manage critical workloads, focusing on areas like high availability, real-time processing, and mission-critical applications.

OpenVMS finds application across various industries, including finance, healthcare, and government, particularly in IT departments.

As of 2025, there are 297 verified companies using OpenVMS.

The OpenVMS customers 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 OpenVMS.