146 commercial centers with 40 o more stores, in metropolitan areas of Distrito Federal, Guadalajara y Monterrey and the major developers of commercial centers in the country.

For the commercial centers includes: address, telephone, fax, socioeconomic data 1 Km around, year of start up, year of the last repairings, web page, constructed area, parking lot capacity, crowd annual, number of floors constructed, number and size of stores, occupancy, sell/rent availability , number of stores y number of islands, position y name of administrator, e-mail, schedule, theatres, main stores and name of developer. For the developers: address, telephone, fax, year founded, web page, e-mail, schedule, main executives, finished projects and developing.