It conducts domestic and international projects in the areas of housing, architecture, civil engineering, and plant construction. LOTTE E&C demonstrates differentiated competitiveness across the entire lifecycle of a construction project, from the initial planning stages to design, delivery, construction, business management, operation upon completion, financial funding, and development projects, through utilization of a direct quota participation method.

LOTTE Castle, a high-class apartment brand that came about in 1999, focuses on providing premium rental housing in response to changes in residential trends, high-rise construction, complex and distribution facilities, power generation, chemical engineering and industrial plants, ground transportation facilities such as bridges and tunnels, water environment facilities, etc.