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Most Innovative Companies

3M Corporation

3M is a material sciences conglomerate best known for such consumer brands as Scotch Tape and Post-it Notes. However, it does far more than that, and in particular it's been an innovator in developing roofing technology that helps clean the air. Its roofing granules are used in asphalt shingles to reduce smog. These smog-eating granules consumed the approximate equivalent of the pollution created by driving 8 million miles, and the company anticipates doubling this smog-reducing potential in 2019.

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headquarters: St. Paul, Minnesota
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