Amadeus CRS is the largest GDS provider in the worldwide travel and tourism industry, with an estimated market share of 37% in 2009.[37] As of December 2010, over 90,000 travel agencies worldwide use the Amadeus system and 58,000 airline sales offices use it as their internal sales and reservations system. Amadeus gives access to bookable content from 435 airlines (including 60 low-cost carriers), 29 car rental companies (representing 36,000 car rental locations), 51 cruise lines and ferry operators, 280 hotel chains and 87,000 hotels, 200 tour operators, 103 rail operators and 116 travel insurance companies.[38]