Where to find a list of small to midsized broker-dealers?

You can find a list of small to midsized broker-dealers through industry directories such as the Financial Industry Regulatory Authority (FINRA) BrokerCheck, which provides information on registered firms. Additionally, resources like the Securities and Exchange Commission (SEC) website offer insights into registered firms. Trade associations like the Financial Services Institute (FSI) or the National Association of Independent Broker-Dealers (NAIBD) may also have lists or member directories. Finally, financial industry publications and databases can provide comprehensive lists and profiles of broker-dealers.