Just start making calls to see who is the right fit.
ABN AMRO Clearing
Alaris Trading Partners
Albert Fried & Company, LLC
Bank of America Merrill Lynch
Barclays Capital
BMO Nesbitt Burns
BNP Paribas Securities Services
Callatay & Wouters
Calyon
Cantor Fitzgerald & Co.
Capstone Trading
CIBC World Markets
Citi
ConvergEx North Point Trading Partners
Credit Suisse
Davis Securities LLC
Deutsche Bank
Dresdner Kleinwort Wasserstein
Edelweiss Custodial Services Limited
Fidelity Prime
First National Innovation Brokers
Fiserv Corporate
Fortis Bank
Fund-interface
Garwood Securities
Global Securities Inc.
Goldman Sachs
Grace Financial Group LLC
Greenwich Prime Trading Group
Interactive Brokers Group
Investment Education PLC
J.P. Morgan
Jefferies & Company Inc.
KB
Koenig
Korea Securities Finance Corp.
Lightspeed Trading, LLC
M.S. Howells & Co.
Macquarie Prime
MALTA STOCK EXCHANGE
Morgan Stanley
Natexis Bleichroeder Inc.
National Bank Financial Prime Services
NBCN
Newedge Group
Nomura Prime Services
Nomura Research Institute
Northpoint Trading Partners LLC
NTS
Pearlman CTA Capital Management
Penson Financial Services, Inc.
Pershing LLC
Rafferty Capital Markets, LLC
RBC Capital Markets
RCM Prime
Samsung Securities
Schroders PLC
Scotia Capital
SEB Group
Skye Fund Services Ltd
Societe Generale Securities Services
SPT SWISS PRIME TRUST AG
Standard Chartered Bank
Tax Advisor India
TD Securities
Triad Securities Corp
Trophy Property Group
UBA Plc
UBS
VanthedgePoint Securities LLC
Victor Securities
ViewPoint Securities, LLC
Wachovia Securities
Wells Fargo Prime Services
http://www.globalcustodian.com/directories/Prime_Brokers/