MagIndustries Corp Customer Service Phone Numbers Customer Service: N/A   MagIndustries Corp Headquarters Info, Email, Phone number, Website and live chat Information The company was formerly known as Magnesium Alloy Corporation and changed its name to MagIndustries Corp. in January 2005. MagIndustries Corp. is headquartered in Toronto, Canada. MagIndustries Corp. is a subsidiary of Evergreen Resources Holding Ltd.