May & Baker Nig. Plc. operates under two major business units and four subsidiaries. These are the Pharmaceutical Manufacturing Business and Beverages Business. The subsidiaries are Biovaccines Nigeria Limited, Osworth Nigeria Limited, Servisure Nigeria Limited and Tydipacks Nigeria Limited. While Biovaccines is a partnership with the Federal Government of Nigeria for local production of human vaccines, Servisure, Osworth and Tydipacks are brand owning healthcare companies.