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.
ComponentArt
ComponentArt is a leading component vendor specializing in the creation of user interface and data visualization software for Microsoft's .NET platform. The company'sprimary goal is to help developers worldwide advance their software development effort by providing powerful building blocks that allow them to focus on the business logic, core value, and primary function of their application or website. ComponentArt has consistently been at the leading edge of technological innovation - from its first ASP.NET user interface component launch in 2002, parallel with the launch of the Microsoft ASP.NET platform - to the breakthrough release of Web.UI for ASP.NET AJAX, parallel with the Microsoft ASP.NET AJAX framework launch (now a part of ASP.NET 3.5 and Visual Studio 2008).
dLSoft
dLSoft developed from a software house created in 1988 for the specific purpose of creating barcode and labeling software and components for Microsoft Windows. Through the dLSoft range of products the company has been providing labeling applications and barcoding components for a range of Windows developer environments since Windows 2, including more recently a range of components for the .NET and CE.NET environments. In 2004 dLSoft expanded its activities to include Java components, and in 2005 a number of products for the Mac OS-X platform were released.
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.