Since 2003, about 650,000 jobs have been created in Houston, Reuters reports.Much of Houston's booming economy can be attributed to its lucrative oil and gas industry. Oil brings jobs, from refineries and drillers, to office jobs at ConocoPhillips and Halliburton, both of which have their headquarters in Houston. Source: The Economist In all, Houston has 26 companies on the list — including six in the top 100 — while New York has 68, and Chicago has 32.Houston's port is the largest in terms of international tonnage handled, and second ranked in terms of foreign cargo value. That means a great deal of international business and trade, and even more jobs.It has remained below the national average since 2007. Source: FREDWhen you adjust for cost of living, Houston has the eighth highest pay in the country. Source: ForbesSource: FREDNo zoning laws means the city is quick to respond to demand for housing and office space. In 2014, Houston was issued permits to build 64,000 homes — compare that to the entire state of California, which was issued 83,000 in 2014. Source: The EconomistHouston residents carry the lowest consumer debt compared to the largest US metros. Source: BankrateTexas is one of only seven US states with no state income tax.Fueled by its strong energy industry, Houston is projected to surpass Chicago as the third biggest US city in the next decade. Source: Reuters