Gyda thros 250 o gwmnïau dan berchnogaeth Americanaidd yng Nghymru, yr Unol Daleithiau yw un o bartneriaid masnach pwysicaf Cymru ac roedd yn gyfrifol am bron i 40% o'r holl brosiectau mewnfuddsoddi y llynedd.
With more than 250 American owned companies based in Wales, the United States is one of Wales’ most important trading partners and accounted for almost 40 percent of all our inward investment projects last year.