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Zintro is an expert network headquartered in Boston, MA. The firm operates a DIY Marketplace, along with regular expert network recruiting services. According to the website, Zintro has a database of 150,000 curated experts based across the entire world.

It also offers its clients the service of conducting surveys and polls experts/industry participants for market research, diligence, and projects.

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Liahnson & Company

Liahnson & Company is an expert network headquartered in Seoul, South Korea. It also provides expert surveys.

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Maven Research

Maven Research is an expert network focused on serving corporate customers, offering both expert calls and longer projects. It also provides electronic survey services to its clients.

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