STT Enviro Corp., formerly Semcan Inc., is a publicly traded environmental engineering company. The Company is a North American supplier of industrial processes and environmental solutions on water remediation and emission control systems. The Company�s principal focus is the design, engineering, project management, and assembly and installation of bulk material handling systems used to clean up water and control air emissions, from the storage silos, to the conveying systems, to the computerized electronic controls. The systems are utilized internationally in a range of industries. Its operating subsidiary, STT Stanco, specializes in designing, customized storage, handling and conveying systems for dry and liquid materials.