Promotora Y Operadora De Infraestructura. 

Promotora y Operadora de Infraestructura, S. A. B. de C. V. (PYYIF) is a Mexican firm dedicated to developing, funding, building, maintaining, and managing a diverse array of infrastructure projects across the country. Their extensive portfolio encompasses major heavy construction like toll roads, ports, tunnels, dams, bridges, airports, and railways. They also undertake industrial facilities such as petrochemical, industrial, wastewater treatment, and power generation plants. Furthermore, their urban development work covers parking facilities, cultural centers (museums), recreational areas (parks), educational institutions, various buildings, water systems, public transit networks, waste management sites (landfills), and healthcare facilities. Beyond direct construction, PYYIF manufactures key building materials. This includes various asphalt concretes, basalt aggregates (such as gravel, sand, ballast, and different base materials), and precast concrete items like road guard rails. They are also involved in the extraction of stone aggregates. Additionally, the company provides comprehensive logistics and port services. These range from receiving, storing, and shipping goods, to intermodal transfer, ship loading/unloading, container management, general cargo storage, and marine vessel handling (mooring/unmooring). They also manage the handling, storage, and safekeeping of international trade merchandise. Established in 1969, the company operates out of Mexico City, Mexico.