Sencha
Sencha (a division of Idera, Inc.) provides tools that accelerate development and solve application developer productivity problems. More than 60 percent of the Fortune 100 use Sencha products to design, develop and test cross-platform, data-intensive web applications for desktops, tablets and smartphones.
jQWidgets
jQWidgets specializes in the development of platform independent, cross-browser presentation components for Web-based PC, Touch and Mobile applications. Their goal is to help customers deliver better Web-based applications that can be accessed through any device and are a pleasure to use.
Blazorise
Blazorise (Megabit) is a European software development company situated in Croatia. It produces UI components for Blazor, C#, and Visual Studio developers. Blazorise .NET, and Blazor UI components are the company's most popular products, designed to operate with almost any CSS framework, including Bootstrap, Bulma, Material, AntDesign, and others.