Nigerian Breweries Plc, shine babban kamfani kuma mafi girma a kamfanin kera giya a Kasar Nijeriya. Tana hidimar kasuwar Najeriya da fitarwa zuwa wasu sassan Yammacin Afirka. Kamfanin Breweries na Najeriya an kirkireshi a shekara ta 1946 kuma kwalban farko na kamfanin, STAR Lager, ya fito da layukan kwalbar kamfanin giyar ta Legas a watan Yunin shekara ta 1949. Yayin da kamfanin ya fadada zuwa wasu yankuna, ya kafa wasu kamfanonin yin burodi irin su Aba Brewery a 1957 da Kaduna Brewery a shekara ta 1963. Zuwa shekara ta 1971, kamfanin ya kasance ɗayan manyan masana'antu a cikin ƙasar dangane da saka hannun jari. A 1982, an kara wani kamfanin giya a cikin Ibadan . A watan Satumba na shekarar 1993, kamfanin ya sayi kamfanin giya na biyar a Enugu, kuma a watan Oktoba na 2003, kamfanin giya na shida, wanda aka sanya a Ameke a Enugu. Kamfanin giya na Ama Brewery ya fara yin giya a ranar 22 ga Maris na shekara ta 2003 kuma a hectolita miliyan 3 shine mafi girma a giya a Nijeriya. Frank Samuel na UAC ne ya gabatar da shawarar kirkirar kamfanin giya a Legas kafin yakin duniya na biyu .