Start at: http://www.traderslog.com/proprietarytradingfirms/ http://www.traderslog.com/proprietarytradingfirms/ Some of these are purely manual trading but man

Start at: http://www.traderslog.com/proprietarytradingfirms/ http://www.traderslog.com/proprietarytradingfirms/ Some of these are purely manual trading but many have software APIs.