Progen Holdings Ltd is a Singapore-based investment holding company. Along with its subsidiaries, it is principally engaged in the business of design, supply, installation, and maintenance of air conditioners, cooling, and mechanical ventilation systems. The group's reportable segments are Products and installation, Servicing and maintenance, Rental, Property development, and Others. Majority of its revenue is generated from the Products and installation segment, which relates to the contracting of engineering works, cooling towers, air-conditioning, and mechanical ventilation systems. Geographically, it operates substantially in Singapore.