By KELIN DILLON Following multiple complaints lodged by companies that had been competing in April 2021 for the cleaning contract for the Mexico City International Airport (AICM), the two-year, 21.6 million pesos per month contract granted by the Mexican government to Iroa Real Estate Services, Tecnolimpuerta Delta, Joad Cleaning and Services, and Aseo Privado Institucional was suspended on June 29