PEMEX (Petroleros Mexicanos) vs. SEP (Secretaría de Educación Pública)

Suggested by Edith Licea: Today in my country just settle for a decentralized company called (luz y fuerza del centro) because of their mismanagement and mainly for reasons of his corrupt union closes the EMS union electricians. Now the question is who is:

The union of Pemex (Petroleros Mexicanos) or the union of the SEP (Secretaría de Educación Pública)