Dow Jones Wilshire 5000 and 4500

These are products of Wilshire Associates and maintained by Dow Jones.  The Wilshire 5000 tracks all stocks on the New York Stock Exchange, The American Stock Exchange, and NASDAQ.  The Wilshire 4500 removes the S&P 500 companies from the list thereby focusing on medium and small capitalization firms.  Like the other companies they have additional indexes.  Their Website is: