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. (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?

Let's find out.

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

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