Texas Gas Service is the third largest natural gas distribution company in Texas, providing clean, reliable natural gas to mo ... re than 639,840 customers in 97 communities. Our business is supplying energy that improves the quality of life for our customers and helps communities thrive and grow. Our industry is evolving. There is greater competition and greater customer choice. These changes will yield exciting new opportunities to serve the customers who have trusted us for generations as their reliable source of natural gas. Texas Gas Service was formed in 2003 when ONEOK purchased the Texas assets of Southern Union Gas. Southern Union Gas was created in far-west Texas in the 1920s and had since acquired properties in El Paso, Austin, the Rio Grande Valley and other regions of Texas now part of today’s Texas Gas Service territory. Texas Gas Service has a 90 plus year tradition of utility service to customers throughout Texas. Facts At A Glance: Miles of Service Lines, Pipelines and Other Natural Gas Distribution Properties - 10,600 Average Number of Customers - 656,000 Number of Employees - 800 Texas' Rank as a Gas Producing State: 1st nationally read more