MadCap Software
Founded in early 2005, MadCap Software serves as a trusted provider of single-source, multi-channel authoring and publishing solutions for thousands of companies worldwide.
Perpetuum Software
Perpetuum Software LLC emerged in 2002 to develop professional software components for the .Net Framework. Over the years the company has developed several lines of high-quality .NET and ASP.NET software components compatible with MS Visual Studio .NET, C# Builder, Delphi .NET and other IDEs supporting .NET Framework. The primary focus for Perpetuum Software LLC activity is development of software components intended for data reporting, analysis, and visualization. The company produces and offers both new and time-proven software components. All the components are being constantly perfected in accordance with the newest trends of .NET technology. Such use-proven components as Report Sharp-Shooter, Instrumentation ModelKit, OLAP ModelKit, Chart ModelKit, the .NET ModelKit Suite and other .NET components by Perpetuum Software are well-known on the software market and are used by Fortune 500 companies, governmental and educational institutions, and independent developers in more than 60 countries.
Xamarin
Xamarin was founded in May of 2011 in Boston, Massachusetts. Their mission is to produce the best software development tools in the world, and to make it fast, easy and fun to build great mobile applications. Xamarin is composed of more than 20 members of the team that built Mono, with ten years of experience working together to create a great developer platform.