What does it mean when a M-1 Garand has CAI Georgia VT markings?

Does anyone know who the actual manufacturer of my M-1 Garand which is stamped on the left side of the Receiver with C.A.I. Georgia, VT Hello! I have a .45ACP, M1911A1 pistol, with the same import mark on my gun. This import mark is required by the US, and is found on all imported military weapons from all nations. My pistol was re-imported as surplus from Korea, by Century Arms International, Georgia, Vermont! Viettom