TEBRA SAO PAULO FLINWOK S.A.
PONTAL DO PARANA FLINWOK S.A.
SERRA DO SALITRE FLINWOK S.A.
TEBRA JOAO DOURADO FLINWOK S.A.
PATROCINIO FLINWOK S.A.
TEBRA RIO DE JANEIRO FLINWOK S.A.
TEBRA IPATINGA FLINWOK S.A.
TEBRA ITAGUAI FLINWOK S.A.