 By the twelfth century, the Ainnuruvars' had encompassed other trading guilds to arise as a dominating force.For instance the Manigram Nagarattam states itself to be a subsidiary group.An inscription in Piranmalai makes references to "cetti"s as "flourishing" and as "being integral to the Tisai Ayirattu Ainnurruvar organization and occupying 18 pattinams, 32 valarpurams (major trade centres) and 64 Kadigai valams.