U.S. Census Bureau (census.gov): A source for a variety of useful statistics, especially the Economic Census that comes out every 5 years.
Are there emerging markets or market segments? Where does this product or service currently perform best? Possible Data Sources: trade associations; trade journals; attorneys & accountants dealing with the industry; industry salespeople; state business websites; focus groups.
Impress for Success - Now you have to admit, this is going to make an impressive package! Put it in a binder and you have built something to be proud of - the first of your many business accomplishments. Your potential investors will appreciate the depth of your analysis, but this tool will prove helpful in describing your venture to your employees, customers, and suppliers, as well. After you have been up and running for a few months, you will find that the planning that you have done will sensitize your inner 'business compass' and allow you to flexibly adjust to contingencies. And that is indispensable!
Not surprisingly all these individuals have been in the business game for a long period and understand what they're speaking about. While you are in the beginning stages which may be just what exactly you will want, a professional available to assist you to on your way.