Brokerage companies

Global electronic brokerage firm providing low-cost access to equities, options, futures, currencies, bonds and funds across 170+ global market centers.

Alpaca provides brokerage infrastructure APIs enabling developers and institutions to embed commission-free trading across stocks, ETFs, options, fixed income,…

NinjaTrader provides futures trading software and brokerage services to over 1.9 million users worldwide, operating out of Chicago since 2003.