major grain companies; grain majors
Refers to the large multinational corporations that dominate global grain trading, such as Archer Daniels Midland, Bunge, Cargill, and Louis Dreyfus (often called the ABCD companies).
The grain majors have a huge influence on the global food supply.
Compound of 穀物 (kokumotsu, 'grain') and メジャー (majā, from English 'major'), referring to major grain trading companies.