Database of Mobile, Web, & Software Development Companies

Looking for help in researching the market to create a database of software, web, and mobile development companies. The companies must do at least one of the following technological development, and they can be small to big. The sheet will have a list of what technologies they use. These are some of the criteria: 1) Mobile App Development - Android - iOS - Blackberry - Windows Mobile - Bada - WebOS - Symbian 2) Web Page Programming - HTML / CSS - PHP - ASP.NET - ColdFusion Markup Language (CFML) - Java - Scala - Perl - Python - Ruby - Javascript - Flash / Flex - Smalltalk 3) Custom Application Development - C/C++ - Java - Lisp - Pasca - Visual Basic - .NET - Delphi - SQL - Objective C 4) IT / Technology Consulting Companies Provide me with an approximate number of how many can you research and put in sheet, correctly. The sheet will have at least the company name, contact details, web url, email, technologies above.