Harvard Student Agencies, Inc. (HSA) is the largest student-run company in the world, employing more than 600 undergraduates ... annually. Founded in 1957, HSA is a multi-million dollar non-profit that provides Harvard students with meaningful opportunities for employment and hands-on business education. Student managers lead all aspects of the operations and strategy behind HSA's 16 businesses, which range from publishing to tutoring to bartending, including Let's Go (the leader in student travel), HSA Cleaners (a laundry and dry-cleaning service), and The Harvard Shop (a storefront and web retail business). read more