Insights

System Expertise OSR specializes in Windows device drivers, Windows file systems, debugging Windows problems, and Linux system software development. This deep OS expertise makes OSR a strong partner for enterprises needing reliable, low-level software engineering and performance improvements.

Integrated Services The company offers architecture and design consulting, custom software development, training, and toolkits to support customers across the development lifecycle. This positions OSR as a one-stop partner for implementing Windows and Linux ecosystems, accelerating delivery and reducing risk.

Worldwide Reach OSR serves a worldwide client base and provides free technical content through its NT Insider journal. This combination enables scalable knowledge transfer, and opportunities to upsell premium training, subscriptions, and enterprise learning programs.

Healthcare Focus Recent activity signals a strategic pivot toward healthcare and digital health, including rebranding to OSR Health and licensing deals around biomedical programs. This suggests growth opportunities to partner with healthcare tech firms, medical device developers, and digital health platforms requiring regulated software solutions.

Growth Signals The business has a solid revenue footprint and has closed high-value licensing initiatives, underscoring its capacity to execute long-term, strategic partnerships. This track record can help in pursuing enterprise-level and co-development opportunities, especially in healthcare tech and complex OS software.

OSR Tech Stack

OSR uses 8 technology products and services including Gravatar, RSS, Open Graph, and more. Explore OSR's tech stack below.

  • Gravatar
    Audio, Video, Graphics
  • RSS
    Content Management System
  • Open Graph
    Content Management System
  • MySQL
    Database
  • Google Fonts API
    Font Scripts
  • Twemoji
    Font Scripts
  • PHP
    Programming Languages
  • Yoast SEO
    Search Engines

Media & News

OSR's Email Address Formats

OSR uses at least 1 format(s):
OSR Email FormatsExamplePercentage
FirstLast@osr.comJohnDoe@osr.com
32%
Last@osr.comDoe@osr.com
27%
First.Last@osr.comJohn.Doe@osr.com
24%
First@osr.comJohn@osr.com
17%

Frequently Asked Questions

Where is OSR's headquarters located?

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OSR's main headquarters is located at 889 Elm Street Manchester, New Hampshire 03101 United States. The company has employees across 5 continents, including North AmericaEuropeAsia.

What is OSR's phone number?

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You can contact OSR's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is OSR's stock symbol?

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OSR is a publicly traded company; the company's stock symbol is OSRH.

What is OSR's official website and social media links?

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OSR's official website is osr.com and has social profiles on LinkedInCrunchbase.

What is OSR's NAICS code?

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OSR's NAICS code is 5112 - Software Publishers.

How many employees does OSR have currently?

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As of June 2026, OSR has approximately 175 employees across 5 continents, including North AmericaEuropeAsia. Key team members include Owner And Chief Executive Officer: O. T.Partner & General Manager: D. R.Consulting Partner: P. V.. Explore OSR's employee directory with LeadIQ.

What industry does OSR belong to?

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OSR operates in the Software Development industry.

What technology does OSR use?

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OSR's tech stack includes GravatarRSSOpen GraphMySQLGoogle Fonts APITwemojiPHPYoast SEO.

What is OSR's email format?

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OSR's email format typically follows the pattern of FirstLast@osr.com. Find more OSR email formats with LeadIQ.

How much funding has OSR raised to date?

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As of June 2026, OSR has raised $2M in funding. The last funding round occurred on Dec 18, 2012 for $2M.

When was OSR founded?

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OSR was founded in 1993.

OSR

Software DevelopmentNew Hampshire, United States51-200 Employees

OSR Open Systems Resources, Inc. is a software development firm that specializes in system software. Its work centers on Windows internals, including device drivers and file systems, and it focuses on debugging complex Windows problems; the company also has developed Linux system software capabilities over its long track record. It offers architecture and design consulting, custom software development, training, and tool kits for a worldwide client base, and it provides free technical content through The NT Insider, its electronic journal. Based in Manchester, New Hampshire, the firm positions itself as a deep expert in Windows and Linux system software, serving organizations that require advanced software engineering and troubleshooting. With roughly two decades of hands-on experience, OSR supports clients globally to address complex software challenges through its consulting, development, and training services.

Section iconCompany Overview

Headquarters
889 Elm Street Manchester, New Hampshire 03101 United States
Phone number
Website
osr.com
Stock Symbol
OSRH
NAICS Code
5112 - Software Publishers
Founded
1993
Employees
51-200

Section iconFunding & Financials

  • $2M

    OSR has raised a total of $2M of funding over 1 rounds. Their latest funding round was raised on Dec 18, 2012 in the amount of $2M.

  • $25M$50M

    OSR's revenue is estimated to be in the range of $25M$50M

Section iconFunding & Financials

  • $2M

    OSR has raised a total of $2M of funding over 1 rounds. Their latest funding round was raised on Dec 18, 2012 in the amount of $2M.

  • $25M$50M

    OSR's revenue is estimated to be in the range of $25M$50M

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