- Advest Group
- Arthur W Wood Co Inc
- Bear Stearns & Co Inc
- Ben Brenner Assoc
- Boston Institutional Svc Inc
- Boston Stock Exchange
- BSAS
- Cantella & Co Inc
- Cantor Fitzgerald LP
- Coburn & Meredith
- Collins Stewart
- Credit Suisse
- Credit Suisse
- EI Investments Co
- Generic Trading-Philadelphia
- Gilford Securities
- Gowell Securities Corp
- H & R Block Financial Advisors
- Hawthorne Securities
- Merriman Curhan Ford & Co
- PAR Capital Management
- Scott & Stringfellow
- Smith Barney
- Smith Barney
- Spear Leeds & Kellogg
- Stock Cross Inc
- Sun Trust Robinson Humphrey
- Trinity Trading
- UBS Financial Svc
- Ubs Securities LLC
- Weeden & Co Inc