Fast-Growing Companies Call These 10 Cities Home

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New York City, 350 companies

Lately, high-tech and new media have proliferated in the city most commonly known for finance. Mayor Michael Bloomberg spearheaded an effort to help Silicon Alley compete with its West Coast counterpart, and the city pledged $100 million for CornellNYC Tech to build a grad school campus on Roosevelt Island. Sign of the times: New York’s fastest-growing company is first-timer online media platform Livestream.