Asian Insulators Public Company Limited, together with its subsidiaries, designs, produces, and distributes porcelain insulators and electrical equipment in Thailand. The company offers spool, strain, line post type, pin post type, suspension, station post type, porcelain, and horizontal mounting solid core line post insulators, as well as underground cable support and ceramic glazed porcelain cable spacers with polymer clamps products. It also engages in the design, supply, and installation of electrical transmission power sub-station and distribution and transmission line systems; and provides industrial maintenance, construction, and engineering services, as well as project management. In addition, the company is involved in the production, distribution, and export of biodiesel, crude palm oil, and vegetable oil under the Pamola brand name. Further, it trades in electrical equipment. The company was founded in 1981 and is headquartered in Bangkok, Thailand.