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.
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
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
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
2.6K Companies
2.6K Companies
2.6K Companies
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.

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FAQs
Contact UsHow latest this data is?
This data is updated on August 17, 2025
What is OpenVMS and what is it known for?
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.
In what industries is OpenVMS typically used?
OpenVMS finds application across various industries, including finance, healthcare, and government, particularly in IT departments.
How many companies are using OpenVMS as of 2025?
As of 2025, there are 297 verified companies using OpenVMS.
What type of data is included in the OpenVMS customer list?
The OpenVMS customers list includes vital company specifics, such as industry classification, organizational size, geographical location, funding rounds, and revenue figures.
Which country has the highest number of companies using OpenVMS?
The United States has the highest number of companies using OpenVMS.