FORBES: PDVSA, the worst oil company in the world.

To obtain a real appreciation of the depths of Venezuela's socialist disaster, we must look under the hood of Petróleos de Venezuela (Pdvsa), Venezuela's state oil giant. After all, PDVSA is, for all economically practical purposes, Venezuela. In fact, PDVSA represents virtually all of Venezuela's foreign exchange earnings (93% in the last 5 years reported).

Source: Reportero 24.