Monteiro Aranha S.A., through its subsidiaries, operates in the paper and cellulose, petrochemical, and real estate sectors in Brazil. It produces, exports, and recycles paper comprising packaging, corrugated packaging, and industrial bags; and produces and trades wood in logs. The company also distributes fuel and LPG; produces ethylene oxide and its derivatives, specialty chemicals, fatty alcohols, and co-products; offers storage services for liquid bulk; and operates drugstores. In addition, it develops and invests in residential and commercial real estate projects. Monteiro Aranha S.A. is based in Rio de Janeiro, Brazil.