Companies using RxJS by ReactiveX in 2025
As of 2025, 410 verified companies use RxJS – 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 RxJS by ReactiveX?
RxJS by ReactiveX, is a library for composing asynchronous and event-based programs by using observable sequences. It is widely used to manage complex data streams and side effects in applications. It is used by developers, software engineers, and data scientists for managing asynchronous operations, building reactive user interfaces, and handling event-driven systems.
Last updated date
August 17, 2025
Number of Companies using
410
The majority are based in the
United States
Most common industry?
Business Services
RxJS’s sample user list in 2025
Company Name
Country
Industry
Employees
Revenue
Product
We have data on 410 companies that use RxJS. Our RxJS 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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RxJS users and customers by country
United States
United Kingdom
2.6K Companies
France
2.6K Companies
Canada
2.6K Companies
Germany
2.6K Companies
Where RxJS Shows Up Most
RxJS is used across a wide range of sectors:
Business Services
Software
Custom Software & IT Services
Finance
Manufacturing
From lean startups to global enterprises, RxJS’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 RxJS?
RxJS is a library for composing asynchronous and event-based programs by using observable sequences.
How many companies are using RxJS in 2025?
As of 2025, our data shows 410 verified companies are using RxJS.
Which industries are the biggest users of RxJS?
The top industries using RxJS are Business Services, Software, Custom Software & IT Services, Finance, and Manufacturing.
Which countries have the most companies using RxJS?
The United States has the highest number of companies using RxJS, followed by the United Kingdom, France, Canada, and Germany.
Can I get a list of companies that use RxJS?
Yes, a list of companies using RxJS is available for download. This list includes company specifics such as industry, size, location, funding, and revenue.