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.
RemObjects Software
RemObjects Software concentrates on developing state-of-the-art solutions that form the foundation of your software applications. RemObjects Software is a software development company offering tools and libraries for software developers on a variety of platforms. Their core products are centered around the Microsoft .NET, Apple Xcode and Embarcadero Delphi development platforms, but their central vision is to provide best-of-breed solutions for developers everywhere, and they are constantly looking at additional platforms, in particular for the RemObjects SDK/Data Abstract suite of products.
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.