Environmental Engineer at M H Valve Anniston AL work: Environmental Engineer 3 years for facilities that are part of the McWane corporation. Relocated from MI to work in NJ for McWane facility in 2006... work: Environmental Engineer 3 years for facilities that are part of the McWane corporation. Relocated from MI to work in NJ for McWane facility in 2006, relocated to Moody, AL in 2008 to work for another McWane facility.