The State Bar of Texas is an agency of the judiciary under the administrative control of the Texas Supreme Court. It is responsible for assisting the Texas Supreme Court in overseeing all attorneys licensed to practice law in Texas. With more than 100,000 active members, the State Bar of Texas is one of the largest state bars in the United States. Unlike the American Bar Association (ABA), the State Bar of Texas (SBOT) is a mandatory bar. The State Bar is headquartered in the Texas Law Center at 1414 Colorado Street in Austin.