Vanguard is the only mutually-owned mutual fund company in America.  This means that the company is owned directly by its mutual funds and ultimately by the individuals who invest in those mutual funds.  Most mutual fund companies have outside owners who demand a profit, which typically results in higher fees for mutual fund investors.
	Vanguard has the lowest management fees of any retail mutual fund company.  They are obsessive about minimizing their fees.
	Vanguard has the largest selection of no-load index funds available to retail investors.

For more information on Vanguard, see
 

	Vanguard's website.
	DFA vs. Vanguard: A Comparison, which compares DFA funds to Vanguard funds in each of several asset classes and lists our preferences.