Stockbrokers
- West Indies Stockbrokers Limited
- Caribbean Stockbrokers Limited
- JMMB Securities (T&T) Limited
- Republic Securities Limited
- Bourse Securities Limited
- First Citizens Brokerage and Advisory Services
Government Securities Intermediaries (GSIs)
- ANSA Merchant Bank Limited
- First Citizens Investment Services Limited
- Citicorp Merchant Bank Limited
- First Citizens Bank Limited
- JMMB Bank Limited
- Republic Bank Limited
- RBC Merchant Bank (Caribbean)Limited
- Scotiatrust and Merchant Bank (Trinidad and Tobago) Limited
- Trinidad and Tobago Unit Trust Corporation
- CIBC Caribbean Bank (Trinidad and Tobago) Limited formerly FirstCaribbean International Bank (Trinidad and Tobago) Limited