José Luis Riera Kinkel

Elektra Wlodzimierz NYC Witold NYC Sp j specializes in the electric heating systems and in the heat recovery ventilation systems for both the dwelling and industrial construction branches. Its products include heating cables and mats, temperature controllers, convection, storage and bathroom heaters, dryers and central vacuum cleaners. The company was founded in 1985 and is headquartered in Warsaw, Poland.

Unefon Holdings SA de CV operates as a holding company with interest in the wireless telecommunications sector. It owns a 46.5% equity interest in the Mexican mobile telephony operator, Unefon SA de CV and a 50% equity interest in Cosmofrecuencias SA de CV, a wireless broadband Internet access provider. The company was founded in October, 2003 and is headquartered in Mexico City, Mexico.

Grupo Iusacell Cellular SA de CV is a telecommunications company. It is engaged in providing pre-paid and post-paid local and long distance mobile telephony, broadband Internet access, data transmission and electronic voice messaging services. The company was founded on October 6, 1992 and is headquartered in Mexico City, Mexico.