Rojana Industrial Park Public Company Limited, along with its subsidiaries, is actively involved in the generation and sale of solar-derived electricity throughout Thailand. Its diverse business operations are structured into segments such as real estate development and related services, power generation, industrial water production and distribution, rental solutions, and medical care. A key aspect of its real estate portfolio involves developing industrial estates situated in Ayutthaya, Rayong, and Chonburi provinces. Concurrently, it offers comprehensive water and wastewater treatment services. Furthermore, Rojana extends its reach into healthcare provision, the cultivation and trade of specialty crops (including spices, aromatics, and pharmaceutical plants), consulting and advisory roles, and the creation of plant- and animal-based products for therapeutic applications. Founded in 1988, the company's headquarters are located in Bangkok, Thailand.