- Advanced Equities
- Advest Inc
- American Option Svc
- Bear Stearns & Co Inc
- Charles Schwab & Co
- Charles Schwab & Co
- Citigroup Inc
- Citigroup Inc
- CTC LLC
- CTC LLC
- Dow Jones & Co Inc
- Dow Jones & Co Inc
- Feldman Securities Group
- Feldman Securities Group
- First Albany Corp
- First Albany Corp
- First Continental Trading Inc
- First Continental Trading Inc
- First Midwest Securities H
- First Midwest Securities H
- First Union Securities
- First Union Securities
- Friedman Billings & Ramsey
- Friedman Billings & Ramsey
- Futrex Trading
- Futrex Trading
