- Aspen Adsorption
- Aspen Air Cooled Exchanger
- Aspen Basic Engineering
- Aspen Energy Analyzer
- Aspen Fired Heater
- Aspen Flare System Analyzer
- Aspen HYSYS
- Aspen HYSYS CatCracker
- Aspen HYSYS Crude
- Aspen HYSYS Dynamics
- Aspen HYSYS Hydrocracker
- Aspen HYSYS Petroleum Refining
- Aspen HYSYS Reformer
- Aspen HYSYS Amines
- Aspen HYSYS Thermodynamics COM Interface
- Aspen HYSYS Upstream Dynamics
- Aspen Plate Exchanger
- Aspen Plate Fin Exchanger
- Aspen Plus
- Aspen Polymers
- Aspen Shell & Tube Exchanger
- AFT Impulse
