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Since Mar, 2019 ![](https://www.scrapmonster.com/uploads/2020/themefiles/free-b.png)
Gag Sheet Metal, Inc. (GSM) has been in business since 1904. The company is a family-owned business based in New Ulm, MN, that serves Minnesota, Iowa, Wisconsin, North Dakota, and South Dakota. GSM is the oldest roofing and HVAC business in southern Minnesota, but their offerings go far beyond their…