TradeStation Open Platform
- TradeStation Technologies, Inc. (formerly Omega Research) is a pioneer in the field of trading strategy testing and automation.
- http://www.tradestationaddons.com/

TechnicalCentral.com
- Provides EasyLanguage and technical analysis programming services.
- http://www.technicalcentral.com

Inside Edge Systems
- Provides EasyLanguage training material, TradeStation programming, and trading system development. Westport, Connecticut, United States.
- http://www.insideedge.net/

TS Support
- EasyLanguage and DLLs programming, ProSuite2000i, TS4 programm configuration.
- http://www.tssupport.com

Empire Systems Design
- Easy Language programming, consulting, design and testing of mechanical trading systems. An Omega Research solution provider.
- http://www.empire-systems.com

Stuart Okorofsky
- Omega EasyLanguage expert and an Omega TradeStation solution provider.
- http://www.okor.com/