Gunkul Engineering is a Thailand-based company that is involved in the electrical and energy sectors. It operates through four segments: manufacturing and selling of electrical equipment, generating and selling electricity, construction service, and maintenance service. Gunkul's product line includes turbine equipment, substations, cables and accessories, capacitors, switches, solar farms, wind farms, LED projects, and renewable energy projects. The operating segment generating and selling electricity generates the most revenue for the company and Gunkul generates nearly all of its sales from the Thai domestic market.