Most organisations have differing requirements for their operational systems and therefore you need to be sure that your development partner is able to work with those development languages that best match your needs.
At LRD, we have created Skills Pool, wherein we have people skilled in a number of best of breed technologies, covering the key platform and database options.
WinDev, WebDev, WinDev Mobile
Visual Basic, C#, .net, PHP
MS SQL Server, MySQL
MS Windows 7, Vista, Server