Monteiro Aranha is in the industrial, financial, and real estate sectors. The company's businesses manufacture petrochemicals, glass containers, pulp and paper, and telecom gear. It engages in the production, export, and recycling of paper; the production and sale of wood in logs; the provision of packaging papers, corrugated packaging, and industrial bags; as well as all of the aforementioned activities. In addition to producing ethylene oxide and its derivatives, fatty alcohols, and co-products, the company also sells fuel and LPG.