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.
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.
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.