11-5561-5353 Phone: 55-11-5561-5353. Fax: 55-11-5561-5353. Email: [email protected]. Website: www.belge.com.br. Alain de Norman is the Principal at Belge Engenharia Sistemas, which was founded in 1994. Belge is a consulting company specializing in planning and quantitative technologies for the supply chain, manufacturing and service industries.