Since 1989 IEI has developed an intense activity in the drafting of energy efficient projects for new construction, rehabilitation and construction management in the fields of industrial facilities, housing, tertiary buildings, hotels, commercial architecture, corporate image development, application and development of corporate manual, private car parks, urban car parks, special and ephemeral structures, heritage recovery and restoration, urban planning and territorial development.

Since 1994 IEI has developed Industrial Design and Product Development projects, both as a «turnkey» service aimed at manufacturing companies of various products, plastics, equipment, furniture, packaging,… as well as within its multidisciplinary strategy for development and manufacture of furniture and equipment in comprehensive development projects and turnkey projects.