This is a complete list of all broker-dealers and bank dealers registered with the MSRB. The list is updated nightly. Read more about working with financial professionals in the MSRB Education Center.
| Firm Name Sort descending | MSRB ID | State | Registrant Type |
|---|---|---|---|
| SEI Investments Distribution Co | A5185 | PA | Broker Dealer |
| Selkirk Investments, Inc. | A2055 | WA | Broker Dealer |
| Sendero Securities, LLC | A6926 | TX | Broker Dealer |
| Sentinel Brokers Company | A4887 | FL | Broker Dealer |
| Sentinel Securities, Inc. | A6013 | MA | Broker Dealer |
| SF Investments, Inc. | A1330 | IL | Broker Dealer |
| SG Long & Company | A5476 | MT | Broker Dealer |
| Shareholders Service Group, LLC | A6333 | CA | Broker Dealer |
| Shearson Financial Services LLC | A4749 | FL | Broker Dealer |
| Siebert Williams Shank & Co., LLC | A5074 | NY | Broker Dealer/Municipal Advisor |
| SIGMA Financial Corporation | A4441 | MI | Broker Dealer |
| Signal Securities, Inc. | A3373 | TX | Broker Dealer |
| Signature Estate Securities, LLC. | A6020 | CA | Broker Dealer |
| Signet Securities, LLC | A7122 | OH | Broker Dealer/Municipal Advisor |
| Silver Oak Securities, Incorporated | A5446 | TN | Broker Dealer |
| Sisung Securities Corporation | A3587 | LA | Broker Dealer/Municipal Advisor |
| SKA Securities, Inc. | A6094 | OH | Broker Dealer |
| SMBC Nikko Securities America, Inc. | A4418 | NY | Broker Dealer |
| SMH CAPITAL INVESTMENTS LLC | A3412 | TX | Broker Dealer |
| Smith, Brown and Groover, Inc. | A0193 | GA | Broker Dealer |
| Smith, Moore and Company | A1492 | MO | Broker Dealer |
| Snowden Account Services LLC | A7307 | NY | Broker Dealer |
| SoFi Securities, LLC | A7570 | CA | Broker Dealer |
| Sorrento Pacific Financial, LLC | A6449 | CA | Broker Dealer |
| South State Bank NA | B0470 | GA | Bank Dealer |
