Offers mutual funds, closed-end funds, managed accounts and alternative investments to individuals, institutions and financial professionals.

Offers an extensive line of mutual funds and annuities, brokerage with no annual account fee, and free investment guidance and portfolio consultation.

Offers over 110 mutual funds covering most fund types. Includes some basic financial education.

Manager of mutual funds, closed-end "interval" funds and traditional closed-end funds, based on loans, bonds, structured products and equity.

Manages several fund families, like the Invesco Aim mutual funds, Powershares ETFs, Atlantic Trust for high-net-work clients, Invesco Perpetual for UK investors and Invesco Trimark for Canadian ones.

Specialist investment manager, providing a range of products to institutional and individual investors, internationally. Part of the Investec Banking group. Not for individual investors in the US.

Offers US and international mutual and closed-end funds, including equity, fixed income and asset allocation (i.e., fund of funds), plus variable annuities. Website provides fund information and forms, commentary and a retirement center.

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.

Offers an extensive line of exchange-traded funds (ETFs) and mutual funds, as well as educational materials, tools and commentary.

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.