Teera-Mongkol Industry Public Company Limited, together with its subsidiaries, manufactures and distributes electrical equipment in Thailand. The company offers ballasts, LED lamps, LED bulbs and tubes, solar LED lamps and LEDs, light accessories, and ultraviolet lamps. It also provides ballast for fluorescent lamps; ballast for direct current used in battery for cars, ships, and three-wheel carts; sodium metal halide streetlamps; transformers for halogen lamps; and ballast equipment for streetlights. It sells its products under GATA and CROSS brands. In addition, it engages in the generation and sell of electricity. It also exports its products. The company was incorporated in 2000 and is headquartered in Samut Sakhon, Thailand.