Tarleton State University - Small Business Development Center Share: Education & Training Tarleton State University - Small Business Development Center Visit Website 201 N St Felix St. Stephenville, TX 76401 (254) 968-0558 Hours: In Brownwood - Tuesday, Thursday, & Friday. Please call for appointment first. About Rep Info Map About The SBDC's mission is to provide consulting, training, and research to small business in pursuit of community Economic Development. Whom to Contact Bill Leaverton Phone: (254) 968-0558 What's Nearby? Distance: 5 10 15 20 25 50 mi.