Franklin Templeton 
Offers over 110 mutual funds covering most fund types. Includes some basic financial education.
http://www.franklintempleton.comState Street Global Advisors 
Offers an extensive line of exchange-traded funds (ETFs) and mutual funds, as well as educational materials, tools and commentary.
http://www.ssgafunds.com
BlackRock 
Offers mutual funds, closed-end funds, managed accounts and alternative investments to individuals, institutions and financial professionals.
http://www.blackrock.com/
ProFunds 
Offers index-based mutual funds, including an extensive line of leveraged (Ultra) and short funds. The also manage the ProShares family of exchange-traded funds.
http://www.profunds.com
Vanguard Group 
One of the most-capitalized fund companies, specialized in mutual and exchange-traded index funds. Also offers services including brokerage, retirement investing, advice and college savings.
http://www.vanguard.com
Fidelity Investments 
Offers an extensive line of mutual funds and annuities, brokerage with no annual account fee, and free investment guidance and portfolio consultation.
http://www.fidelity.com
DBS Cholamandalam 
Asset management company offering open and close ended equity and fixed-income funds in India, managed by a joint venture between the Murugappa group and the DBS Bank of Singapore.
http://www.dbscholamutualfund.com