Quiz: What do these 10 LI companies do?

A Wall Street sign in front of the A Wall Street sign in front of the New York Stock Exchange on April 22, 2010. Photo Credit: AP / Mark Lennihan

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While the ranks are thinning when it comes to Long Island-based public companies, there still remain a few dozen firms that are running their operations on local soil.

But do you know what they make or do?

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Let's find out.

Take our quiz above and test your knowledge of these 10 local companies.

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