Toyo Engineering Corporation is a Japan-based company involved in the total engineering business. The Engineering, Procurement and Construction (EPC) segment is involved in the development, design, machinery procurement, construction, test operation and technical guidance of general chemistry plants, petroleum chemistry plants, petroleum refining plants and energy-related plants, as well as plants in electric power, nuclear power, water, transportation, advanced production systems, logistics, medicine, resource development, bio, environment and various other industries.