CGO Views 9 meanings found CGO is used for the Central Gilts Office in finance, as a regional code for Zhengzhou, China, and as a ticker or abbreviation for several companies including Atlas Air and Cogeco. Miscellaneous Commercial Glider Operator(s) Air CarGO Cargo Governmental Chief Geographic Office/DOT Regional Zhengzhou, Mainland China Business Central Gilts Office Atlas Air, Inc. Cogeco Incorporated CPT Global Ltd