Esurance Inc., a San Francisco-based direct-to-consumer personal auto insurer and subsidiary of the White Mountain Insurance Group’s Folksamerica Holding Co., plans to begin selling auto insurance to customers in Texas. With the expansion, Esurance will have operations in 27 states. Using the company’s Web site, www.esurance.com, drivers may obtain and compare quotes, and buy an Esurance policy online. Consumers can also buy coverage over the phone by calling Esurance’s Service Center, open 24 hours a day. Esurance currently operates in Arizona, California, Colorado, Connecticut, Florida, Georgia, Iowa, Illinois, Indiana, Louisiana, Maryland, Michigan, Missouri, Nebraska, New York, Ohio, Oklahoma, Oregon, Minnesota, Pennsylvania, South Carolina, Tennessee, Texas, Utah, Virginia, Washington, and Wisconsin.