Hospitality companies established in 1910

Gray Line Worldwide is an international sightseeing company that consist of local sightseeing operators around the world. The company was founded in 1910 and operates worldwide through independent operators it calls "licensees" with a presence in most of the world's most popular sightseeing destinations. Gray Line does not provide sightseeing services directly, but rather provides its brand, promotional services and booking systems to licensees. Gray Line is also the largest direct supplier of destination services to online travel sellers, wholesalers and travel agents.

The Norwegian America Line (Norwegian: Den Norske Amerikalinje), was a shipping line, originally an operator of ocean liners and cargo ships. Founded in 1910, the company ran a regular transatlantic service between Norway and the United States, and later included a route to East Africa as well. Primarily due to competition from air travel, transatlantic passenger voyages were slowly discontinued during the years.