DevExpress
DevExpress (Developer Express) is a software development company based in the United States. It produces coding assistance tools and components for Delphi, C++ Builder and Microsoft Visual Studio developers. The major part of its product line is VCL, .NET WinForms and ASP.NET components that replicate the UI of Microsoft Windows and Microsoft Office applications. DevExpress has won many industry awards for its products.
ComponentSpace
ComponentSpace has a breadth of knowledge in Microsoft technologies covering everything from Web applications through to Windows device drivers. Its focus is on the Microsoft .NET framework and tools including Web applications and services, Windows components and applications, ADO.NET and SQL Server database design and mobile applications.
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.