Companies using Windows API by Microsoft Corporation in 2025
As of 2025, 305 verified companies use Windows API – 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 Windows API by Microsoft Corporation?
Windows API by Microsoft, is a comprehensive set of programming interfaces available in the Microsoft Windows operating systems. It allows developers to create applications that can interact with the operating system and its services. It is used across various industries and is essential for software development, system programming, and application engineering.
Last updated date
August 17, 2025
Number of Companies using
305
The majority are based in the
United States
Most common industry?
Software
Windows API’s sample user list in 2025
Company Name
Country
Industry
Employees
Revenue
Product
We have data on 305 companies that use Windows API. Our Windows API 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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Windows API users and customers by country
United States
United Kingdom
2.6K Companies
Germany
2.6K Companies
France
2.6K Companies
Canada
2.6K Companies
Where Windows API Shows Up Most
Windows API is used across a wide range of sectors:
Software
Manufacturing
Business Services
Custom Software & IT Services
Finance
From lean startups to global enterprises, Windows API’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 Windows API?
Windows API by Microsoft is a comprehensive set of programming interfaces available in the Microsoft Windows operating systems, allowing developers to create applications that can interact with the operating system and its services.
How many companies are using Windows API in 2025?
As of 2025, there are 305 verified companies using Windows API across various industries, company sizes, and geographies.
Which industries are most prevalent in using Windows API?
The software industry uses Windows API more than other industries. Other industries include Manufacturing, Business Services, Custom Software & IT Services, and Finance.
Which country has the highest number of companies using Windows API?
The United States has the highest number of companies using Windows API.
What kind of data is included in the customer list?
The Windows API customers list includes vital company specifics such as industry classification, organizational size, geographical location, funding rounds, and revenue figures.