S3's Client List
Below is just a sample of our many happy customers.

 

                       

  A.B. Watley Direct, Inc.                                       ACS, Inc.

 

                       

  Axiom Capital Mgmt.                                    BT Americas, Inc.

 

                        

      Charles Schwab                                  ETrade Financial Corp.

 

                        

 Electronic Data Systems                         First Southwest Company

 

                       

        Hilliard Lyons                                     HSBC Securities USA

 

                       

         Merrill Lynch                                      Moors & Cabot, Inc.

 

                       

Natixis Bleichroeder Inc.                                      Nyfix, Inc.

 

                       

      optionMONSTER                                       Penson Financial

 

                       

Russell Implemenation Svcs                        Southwest Securities

 

                       

Susquehanna Intl Group, LLP                                  USAA