As per your request below I am providing you the list of some good names for investment companies. Please check the below details:

The list includes:

Affiliated Managers Group Inc.
American Capital
American Century Investments
Blackstone Group LP
Boyle Investment Company
Brandes Investment Partners
Brown Brothers Harriman & Co.
Calamos Investments LLC
Calvert Investments
Cambridge Trust Co.
Capital Link Inc.
Castle Harlan Inc.
Columbia Capital
Crosslink Capital Inc.
Everbank
Evercore Partners
FBL Financial Group Inc.
First Analysis Corporation
First Investors Management Co.
First Southwest Co
Franklin Templeton Investments
Guild Investment Management
HIG Capital LLC
Industrial Growth Partners
Investment Company Institute
Janus Capital Group Inc.
Johnson Investment Counsel Inc.
KKR
Morningstar Inc.
Quantitative Services Group
Samson
SEI Investments
Sprout Group
SWBC
Tangible Investments LLC
The Capital Group Companies
The Jordan Company LP
Tompkins Trust Co
Union Square Ventures
US Venture Partners
Wedbush Securities
Zacks Investment Research Inc.

Here is a list of investment companies of world:

A.B. Watley Group Inc.
Affiliated Managers Group, Inc.
Allied Capital Corporation
Berkeley Technology, Limited (ADR)
Calamos Asset Management, Inc
Castle Holding Corp.
Citigroup Capital XIV
CME Group Inc.
Cypress Sharpridge Investments, Inc.
Diamond Hill Investment Group, Inc.
Evercore Partners Inc.
FBR Capital Markets Corporation
First Albany Companies Inc.
Franklin Resources, Inc.
Gamco Investors Inc.
Goldman Sachs Group, Inc.
Gundaker/Jordan American Holdings, Inc.
Hudson Holding Corp.
International Securities Exchange Hldgs
Investment Technology Group
JMP Group Inc.
Kirlin Holding Corp.
Invesco PLC (ADR)
Knobias, Inc.
Lehman Brothers Holdings Inc.
MCG Capital Corporation
Merrill Lynch & Co., Inc.
Morgan Stanley
Nasdaq Stock Market, Inc.
NYSE Euronext
Och-Ziff Capital Management Group LLC
Ryan Beck Holdings, Inc.
Sagient Research Systems, Inc.
SEI Investments Company
Sovereign Exploration Associates Int Inc
Stifel Financial Corp.
TD Ameritrade Holding Corp.
The Blackstone Group L.P.
Thomas Weisel Partners Group, Inc.
U.S. Global Investors, Inc.
United States Natural Gas Fund, LP
Van der Moolen Holdings N.V. (ADR)
Vie Financial Group, Inc.
Winmill & Co. Incorporated