Asian Insulators Public Company Limited, together with its subsidiaries, manufactures and distributes porcelain insulators products for electricity distribution and transmission in Thailand. It offers spool, strain, line post type, pin post type, suspension, station post type, cleat, porcelain, and horizontal mounting solid core line post insulators; and underground cable support products, as well as ceramic glazed porcelain cable spacers. The company also provides services for design, supply, and installation of high voltage substation, distribution, and transmission line systems; and project management, industrial maintenance, construction, and engineering services to the water, power, and communications industries. It is also involved in producing, distributing, and exporting of biodiesel, crude oil, and vegetable oil under the Pamola brand. In addition, it trades in electrical equipment, as well as provides port services. Asian Insulators Public Company Limited was founded in 1981 and is headquartered in Bangkok, Thailand.