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.
CData Software
CData Software is a leading provider of data access and connectivity solutions. They specialize in the development of Drivers and data access technologies for real-time access to on-line or on-premise applications, databases and Web APIs. Their drivers are universally accessible, providing access to data through established data standards and application platforms such as ODBC, JDBC, ADO.NET, OData, SSIS, BizTalk and Excel.
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.