STA Travel
 STA Travel is a travel company owned by the Swiss Diethelm Keller Group with headquarters in Zurich and London. It claims to be the world's largest travel company for students and young people.The STA group employs nearly 2000 people in over 200 branches in 12 different countries with franchises and business partners in another 48 countries. In 2011 its gross turnover was CHF 997 million (US$1126 million) with net sales - mostly commission on ticket sales - of CHF 141 million.