As the race heats up and cities state their cases to house Amazon.com's (AMZN) - Get Report second headquarters, Moody's Analytics has some suggestions for the e-commerce giant.

The firm presented Amazon with 10 cities where the new headquarters, which has the potential for 50,000 well-paying jobs and a $5 billion investment, should be located.

The results were based on five "broad" categories; business environment, human capital, cost, quality of life, and transportation. A sixth criterion, geography, was also considered to "rank cities based on regional and geographic factors that Amazon might be taking into account," Moody's Analytics noted.

The bidding for Amazon's second headquarters closed on Thursday, Oct. 19.

Austin, Texas, the top-suggested city, was selected as such for its standing as a well-known IT hub, an "exceptionally" educated labor force, its cost of living and its transportation infrastructure. A complete breakdown of every top city can be read here.

So what are the top contenders doing to woo Amazon?

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