Founded in 1946, World Travel Service Inc. is one of the largest travel management companies in the United States. Based in Knoxville, Tenn., the company specializes on corporate travel management. It also offers a variety of services to the international traveler, including new and renew passport, passport replacement and additional visa pages. World Travel Service Inc. also offers advices on current visa policies, procedures, requirements and applications. World Travel Service Inc. is an affiliate member of BCD Travel, the third-largest-global corporate management travel company in the world.