Tira Thai Public Company Limited is a Thailand-based company engaged in the manufacture and distribution of transformers. It serves both local and overseas markets. The Company produced three types of transformers, including power transformers, distribution transformers and special transformers. It also provides services of election and installation of transformers, oil filling, maintenance, repairs and modification, testing, and equipment rental. It operates two production plants in Samutprakan province. As of December 31, 2010, the Company had two subsidiaries: Thai Fin Co., Ltd., which is engaged in the manufacture, distribution and repairs and maintenance of transformer tank body and accessories, such as cover, fins, clamps and others, and Tira Thai E&S Co., Ltd., which is engaged in the distribution and installation of power transformers.