Calvert is an unincorporated community and census-designated place in Mobile and Washington counties, Alabama. It is located in the extreme northeastern corner of the county near the Tombigbee River.
ThyssenKrupp (a German Steel Company) built a $4.65 billion stainless and carbon steel processing facility in Calvert in 2007. The facility became operational in July 2010. The Facility was purchased by a 50/50 joint partnership of ArcelorMittal and Nippon Steel in February 2014 for $1.5 billion and renamed AM/NS Calvert. It is the region's 2nd largest industrial employer.