Companies using Immutable.js by Facebook, Inc. in 2025
As of 2025, 680 verified companies use Immutable.js – 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 Immutable.js by Facebook, Inc.?
Immutable.js by Facebook is a JavaScript library that provides persistent immutable data structures. It’s used to enhance application performance and simplify development by ensuring data consistency and predictability, particularly beneficial where data integrity is crucial. It is used often by engineers and developers and is applicable across various industries that require robust data management.
Last updated date
August 17, 2025
Number of Companies using
680
The majority are based in the
United States
Most common industry?
Retail
Immutable.js’s sample user list in 2025
Company Name
Country
Industry
Employees
Revenue
Product
Cognizant Technology Solutions Corporation
United States
United States
Custom Software & IT Services
336300
$20.1B
Immutable.js
Fresenius Medical Care Canada
United States
United States
Hospitals & Physicians Clinics
36825
$13.5B
Immutable.js
We have data on 680 companies that use Immutable.js. Our Immutable.js 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.
Get a Free Sample of Companies that use Immutable.js
We’ll send you a personalized preview of companies using Immutable.js—tailored to your ideal customer profile. No fluff. Just verified data. And a chance to turn tech signals into pipeline.
Immutable.js users and customers by country
United States
Canada
2.6K Companies
India
2.6K Companies
Czech Republic
2.6K Companies
United Kingdom
2.6K Companies
Where Immutable.js Shows Up Most
Immutable.js is used across a wide range of sectors:
Retail
Automobile Dealers
Business Services
Custom Software & IT Services
Software
From lean startups to global enterprises, Immutable.js’s footprint is wide, and that means opportunity.
Tech Stack Database
How It Works
It’s everything you wish outbound was—automated, precise, and scalable.
- Landbase finds and qualifies your ideal prospect data automatically
- Landbase deploys specialized AI agents to generate and run high-converting campaigns
- Landbase executes across all channels, handling all the technical complexity behind the scenes.
- Your pipeline fills up. You get to focus on strategy, not busywork.
Trusted by High-Performing GTM Teams
Join the teams using Landbase to:
- Eliminate manual prospecting
- Fill pipeline faster
- Win against competitors
- Built for SDRs, AEs, RevOps, and GTM Leaders
- Powered by AI. Delivered with Speed
FAQs
Contact UsHow latest this data is?
This data is updated on August 17, 2025
What is Immutable.js?
Immutable.js is a JavaScript library developed by Facebook that provides persistent immutable data structures. These structures cannot be modified after creation, ensuring data consistency and predictability.
How many companies are using Immutable.js in 2025?
As of 2025, our data shows that 680 verified companies are using Immutable.js.
What industries are most commonly using Immutable.js?
Immutable.js is used across various industries, with Retail being the most prominent. Other industries include Automobile Dealers, Business Services, Custom Software & IT Services, and Software.
Which countries have the highest adoption of Immutable.js?
The United States leads in the adoption of Immutable.js, followed by Canada, India, Czech Republic, and the United Kingdom.
Who developed Immutable.js?
Immutable.js was developed and is maintained by Facebook, Inc.