Gunkul Engineering Public Company Limited manufactures, distributes, imports, and exports electrical systems and equipment in Thailand and internationally. It provides cables and accessories, fuses and switches, hardware and connectors, insulators, lightning protection products, maintenance equipment, tools and instruments, batteries transformers, live part covers, grounding and preformed products, lightening and control products, and hardware products for transmission lines, substations, distribution lines, and low voltage lines. The also company generates and sells electricity from renewable energy resources comprising solar and wind energy, as well as produces and assembles LED products. It also constructs alternative energy power plants, as well as provides operation and post-construction maintenance services for the solar farms. The company was founded in 1982 and is headquartered in Bangkok, Thailand.