Antonino was treasurer of the Antonino Construction Enterprises (1946–1953); secretary-treasurer, then manager, Western Mindanao Lumber Co.; general manager, G. E. Antonio, Inc., treasurer, Polytechnic Colleges of the Philippines; director, Philippine Commercial and Industrial Bank, and Luzon Cement Corporation.
Antonino served as treasurer of Antonino Construction Enterprises (1946–1953); secretary-treasurer, then manager, Western Mindanao Lumber Co.; general manager, G. E. Antonio, Inc., treasurer, Polytechnic Colleges of the Philippines; director, Philippine Commercial and Industrial Bank, and Luzon Cement Corporation.