TXI (NYSE: TXI) is headquartered in Dallas, Texas, USA. It produces construction materials, primarily cement, aggregates, and concrete.
Its Midlothian plant on the south side of Midlothian, Texas () is about 27 miles (43 km) south of downtown Dallas. When the plant was built it was the largest cement plant in the country.
TXI also operates a cement plant at Riverside, California ().
The Chapparal Steel plant is next to TXI's cement plant in Midlothian. Chapparal Steel was spun off from TXI and is one of the largest steel factories in the country.