ARPE associated members are:
- Founding members: the founders of the association
- Effective members: pressure equipment manufacturers
- Sustaining members: companies operating in the pressure equipment supply chain, such as steel milling, forging, welding equipment, components re-sellers, logistics and transportation, engineering and design, testing, inspection and certification, research institutes, universities, other para-governmental agencies, EPC’s, end users, etc.
- Honorary members: persons, public or private companies, entities who distinguished themselves through extraordinary contributions to the sector.