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.
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.
Springsys
SpringSys Technologies, a privately held company with corporate headquarters located in Los Angeles, California, is a leading software solutions and product development company catering to diverse industry segments. It develops, delivers and supports professional software components for Windows application designers, device drivers under Windows, Unix/Linux platform, IT solutions for small business. From the president to its newest team members, the company's goals are the same: to provide users with the innovative tools and support they need to effectively compete in today's competitive market.
Janus Systems
Janus Systems is the company behind the widely popular Janus GridEX component. The company was founded in 1994. Janus GridEX, a versatile grid component, allows a customer to build a user interface similar to Microsoft's Outlook, complete with tabs, button bars, and tool tips. The component is used today by thousands of corporations from CitiBank to Glaxo Welcome and EDS, located in a broad spectrum of countries from much of Europe through to China and the United States.