Revenues were largely up through the region, but Brazilian companies saw particularly steep drops in profits. 2012 figures in millions of US dollars. Sector Rank 500 Rank Company, Country Revenues % Ch. Profits % Ch. 1 1 Petrobras, Brazil $137,694.9 5.8 % $10,365.8 -41.6 % 2 2 Pemex, Mexico $127,019.7 13.7 % $218.5 103.3 % 3 3 PDVSA, Venezuela $124,459.0 -0.2 % $4,215.0 -6.3 % 4 7 BR Distribuidora, Brazil $39,210.7 -1.1 % $927.0 37.2 % 5 8 Ecopetrol, Colombia $37,735.2 13.7 % $8,451.9 6.3 % 6 12 Grupo Ultra, ...