Dolphin Drilling 
DEUTAG is responsible for offshore platforms in the North Sea, Caspian, Angola, and Sakhalin.
Northern Offshore operates drilling units and production units in Asia and Europe and one in the U.K. North Sea.
Odfjell Drilling
SeaWell
Stena Drilling: past and present operations in the North Sea, US Gulf of Mexico, South East Asia, Mediterranean, Caribbean, South America, Australia, North Africa and West Africa.
But hey, keep telling yourself Mexico wouldn't consider going anywhere but the United States. Pretend no other global company will get their business.
PEMEX contracts deepwater EM survey {Norway}
http://www.offshore-mag.com/index/article-display/5474005825/articles/offshore/geology-geophysics/latin-america/2010/07/pemex-contracts_deepwater.html