Actipro Software
Actipro Software, founded in 1999, is a privately-held provider of software components for the Microsoft .NET platform. Based in Cleveland, OH, USA, their focus is on delivering quality user interface software components that customers can trust to add robust functionality to their applications. They have been developing Windows Forms components since .NET was first released, and have become a leading provider of Windows Presentation Foundation (WPF) components.
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.
Advanced Software Engineering
Advanced Software Engineering was founded in 1995 by several software developers who believed that the key to improving programmer productivity is to have good reusable software components.
Since its foundation, Advanced Software Engineering has been developing software components and libraries for major vendors and corporations. Their areas of expertise are system and network management, network security, and web based user interface.