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3M Corona


ManufacturerMiningRoofingRoofing Materials

About Us

More than a century ago, 3M started as a small-scale mining venture in Northern Minnesota, then named Minnesota Mining and Manufacturing Company. Now a global powerhouse, our products improve the daily lives of people around the world. We discover and innovate in nearly every industry to help solve problems around the world. We never stop inventing and have over 100,000 patents to prove it. At our Corona location, we proudly manufacture roofing granules for the construction industry. With over 60,000 products in our portfolio, 3M brands deliver science-based performance and extraordinary outcomes across almost any industry you can imagine.

But our success and longevity were not apparent from the start. We tried. We failed. We tried something new. Repeat cycle. Innovation and perseverance drove our founders, and it continues to drive 3Mers today.

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