ComPDFKit
ComPDFKit enable developers to integrate PDF Annotations and Format Conversion, Digital Signature, Smart Forms, OCR, Redaction, and more in to their applications on Windows, macOS, iOS, Android, and the web through their PDF SDKs. Their aim is to offer the most comprehensive library to shorten the project development cycle and to continuously improve their SDK products to meet developer's future requirements as they change and projects evolve.
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.
ZappySys
ZappySys is a USA based software development company. They specialize in Data integration, Business Intelligence, Cloud computing and .Net Application Development.