Companies using Yahoo User Interface Library (YUI) by Yahoo Inc. in 2025
As of 2025, 2,835 verified companies use Yahoo User Interface Library (YUI) – 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 Yahoo User Interface Library (YUI) by Yahoo Inc.?
Yahoo User Interface Library (YUI) by Yahoo is a discontinued open-source JavaScript library for building richly interactive web applications using techniques such as Ajax, DHTML, and DOM scripting. It provided a comprehensive suite of tools, including UI controls, utilities for DOM manipulation, event handling, and animation, along with a CSS foundation. It was commonly employed by web developers and front-end engineers to enhance user experience and streamline web development processes across various industries such as media, e-commerce, and technology.
Last updated date
August 17, 2025
Number of Companies using
2,835
The majority are based in the
United States
Most common industry?
Manufacturing
Yahoo User Interface Library (YUI)’s sample user list in 2025
Company Name
Country
Industry
Employees
Revenue
Product
Amazon
United States
United States
Apparel & Accessories Retail
1556000
$650.3B
Yahoo User Interface Library (YUI)
Walmart
United States
United States
Department Stores, Shopping Centers & Superstores
2098500
$681B
Yahoo User Interface Library (YUI)
Apple
United States
United States
Computer Equipment & Peripherals
164000
$400.4B
Yahoo User Interface Library (YUI)
NVIDIA
United States
United States
Computer Equipment & Peripherals
36000
$148.5B
Yahoo User Interface Library (YUI)
Microsoft
United States
United States
Database & File Management Software
228000
$270B
Yahoo User Interface Library (YUI)
CVS Health
United States
United States
Drug Stores & Pharmacies
219000
$379B
Yahoo User Interface Library (YUI)
IBM
United States
United States
Custom Software & IT Services
270300
$62.8B
Yahoo User Interface Library (YUI)
UnitedHealth Group
United States
United States
Insurance
400000
$410.1B
Yahoo User Interface Library (YUI)
ExxonMobil
United States
United States
Oil & Gas Exploration & Services
61000
$339.9B
Yahoo User Interface Library (YUI)
We have data on 2,835 companies that use Yahoo User Interface Library (YUI). Our Yahoo User Interface Library (YUI) 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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Yahoo User Interface Library (YUI) users and customers by country
United States
United Kingdom
2.6K Companies
Canada
2.6K Companies
Germany
2.6K Companies
France
2.6K Companies
Where Yahoo User Interface Library (YUI) Shows Up Most
Yahoo User Interface Library (YUI) is used across a wide range of sectors:
Manufacturing
Business Services
Retail
Finance
Software
From lean startups to global enterprises, Yahoo User Interface Library (YUI)’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 Yahoo User Interface Library (YUI)?
Yahoo User Interface Library (YUI) is a discontinued open-source JavaScript library from Yahoo for building interactive web applications using technologies like Ajax, DHTML, and DOM scripting. It provided UI controls, DOM manipulation utilities, event handling, animation tools, and a CSS foundation.
How many companies are using Yahoo User Interface Library (YUI) in 2025?
As of 2025, our data shows that 2,835 companies are using Yahoo User Interface Library (YUI).
What kind of data is included in the Yahoo User Interface Library (YUI) customer list?
The Yahoo User Interface Library (YUI) customer list includes company specifics such as industry classification, company size, geographical location, funding rounds, and revenue figures.
Which countries have the most companies using Yahoo User Interface Library (YUI)?
The top countries using Yahoo User Interface Library (YUI) are the United States, the United Kingdom, Canada, Germany, and France.
Which industries have the most companies using Yahoo User Interface Library (YUI)?
The top industries using Yahoo User Interface Library (YUI) are Manufacturing, Business Services, Retail, Finance, and Software.