Bank, Sumitomo Mitsui Banking Corporation, UOB, BNP Paribas, Wells Fargo Bank and Standard Chartered. hold at least 1 billion dollars in total assets. Their bank deposits totaled approximately THB 9.6 trillion, the equivalent of USD 314 billion at the end of the third quarter in 2007. A large number of multinational corporations base their regional headquarters in Bangkok due to the lower cost of the workforce and firm operations relative to other major Asian business centres. Thirteen Bangkok-based companies make the Forbes 2000 list annually. The list includes the largest Thai bank, Bangkok Bank, the country's largest listing as well as the state-owned energy firm PTT, and the renowned Charoen-Phokphand agri-foods conglomerate.
The market for flights to enter Laos and Cambodia is heavily dominated by airlines based in Bangkok such as THAI Airways International, Bangkok Airways, and the multitude of low-cost airlines in Thailand. Telecommunications, retail, real estate, airlines, and media conglomerates mainly cater to the country's growing population, however, few Thai corporations venture overseas and gain notoriety.
Tourism is a significant contributor to Thailand's economy, providing about 5 percent of GDP. Bangkok is Thailand's principal international gateway and a destination in its own right. This giant market has made Bangkok a prime location for hotel operations as well as the launching pad for small and medium accommodation enterprises. Moreover, Bangkok-based hospitality companies such as Dusit Thani Group, Erawan Group, and Siam Hotels and Resorts, have all expanded operations and can officially be classified as a multinational corporation in its own right.
Income inequality is a growing issue in Bangkok, especially between relatively unskilled lower-income immigrants from rural provinces in Thailand and neighboring countries and middle-class professionals (45% of registered residents), business elites, and retired and working