The major za were the orite-za (guild of weavers) in Otoneri, Kyoto, which became the origin of the later Nishijin brocade (high-quality silk fabrics produced in the Nishijin district of Kyoto), the wata-za (cotton guild) and the nishiki-za (brocade guild) which were under the umbrella of the Gion-sha Shrine, the koji-za (rice malt guild) under the Kitano-sha Shrine, the yu-za (oil guild) in Oyamazaki, Yamashiro Province, the uo-za (fish guild) in Imamiya, Settsu Province, the zaimoku-za (guild of lumber dealers) in Kamakura, and the yu-za (oil guild) in Hakata.
代表的なものとしては京都においては後の西陣の源流となった大舎人の織手座や祇園社の綿座・錦座、北野社の麹座、山城大山崎の油座、摂津今宮の魚座、鎌倉の材木座、博多の油座などがあった。