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.
Xceed Software
Xceed Software creates, markets and distributes quality software components for Microsoft Windows developers. Since its launch in 1994, Xceed has been devoted exclusively to the Microsoft platform. The company's very first product, Xceed Zip Compression Library, was first offered as a VBX for Microsoft Visual Basic 3.0 and has been so successful that it has been migrated to every Microsoft platform since, including ActiveX, the .NET Framework, and the .NET Compact Framework. Today, Xceed's product line can be grouped into two main categories: Data Manipulation components and User Interface components. The Data Manipulation components include Compression, Encryption and File Transfer libraries. The User Interface components include Grid, Chart, Menus, Toolbars, Treeviews, Explorer Panes and other interface controls.
EaseFilter
EaseFilter specialize in file system filter driver development. They architect, implement and test file system filter drivers for a wide range of functionality. EaseFilter can offer several levels of assistance to meet your specific needs; providing consulting services for your existing file system filter driver, offering customization of their SDKs to meet your requirements or assistance to create your own filter driver with their source code.