The 2010 Inc. 5000: Top 10 States

10 of 10

California, 684 companies

The nation's most populous state is once again the home to the largest population of Inc. 5000 companies. Lexicon Consulting (No. 4) is one of many companies in the state's traditionally strong defense sector. The El Cajon-based company maintains mock Iraqi and Afghanistan villages, which are used for training Defense Department and military personnel in cultural immersion and awareness.