Dreams of Flesh and Sand.

Quick, W. T. Dreams of Flesh and Sand. New York: Signet-NAL, 1988.

A cyberpunkish story featuring "gigantic corporations" who both own and are ruled by programmable "organic matrixes of immense size"—but with a happy ending. Rev. Robin Roberts, SF&FBR Annual 1989: 365, source for this entry, and quote.