Grupo AISA (Agrupacio Actividades e Inversiones Inmobiliarias SA) is a Spanish company that is principally engaged, both directly and through its subsidiaries, in property development and real estate leasing. The Company primarily operates in the residential and industrial property sectors in Catalonia, the Balearic Islands, Madrid, Andalusia and Murcia. Grupo AISA is also involved in brokerage activities related to the construction industry, through its subsidiary, Agrupacion Brokers XXI Correduria de Seguros, S.A. The Company's property development subsidiaries include Domus Habitage S.A., Interlaken 2003 S.L., Interlaken Catalonia S.L., Inmobilaria Lidaru S.L. and Residencial Puig d'en Alis S.L. Grupo AISA is headquartered in Barcelona, Spain.