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9. Tennessee

Net Job Creation: 38,100

With major Volkswagen and Nissan plants, Tennessee now ranks No. 1 in auto manufacturing, which continues to be a source of new jobs. Tennessee is also the headquarters of FedEx and an Amazon.com distribution center, which added 100 jobs in 2012. With an above-average growth rate, the state posted payroll gains in all but the information and financial activities sectors. Tennessee also had one of the biggest year-over-year increases in government payrolls.

Manufacturing: 8,500
Education & Health Services: 7,300
Professional & Business Services: 6,900

Pictured: Workers at the Nissan assembly plant in Smyrna, Tenn.

Photo: Glow Images | Getty Images