The article sets out to unveil the factors that necessitated the survival of the Kenya National Union of Teachers (KNUT)from state co-optation as a labour dynamic. It is theoretically guided by the state corporatism. The theory underscoresstate repression of interest groups as a tool of control. Data was collected through oral interviews, Focus GroupDiscussion, archival and secondary literature. In its findings, it establishes that the Moi administration adoptedcorporatism to control interest groups such as trade unions and other civil society organizations. Moi’s co -optationwas effected through legislations, state police, appointment of union leaders in government, banning of strikes,sponsoring of splinter unions and the use of state propaganda. The article also establishes that KNUT, was among thefew trade unions and civil society organizations that escaped Moi’s co-optation. KNUT’s elaborate constitution,militant membership, financial strength, and good leadership were key factors that accounted for this survival. Thearticle recommends that trade unions should maintain their independence and commitment in championingmembers’ interests of workers despite their working relationships with the state.