Orizon Valorização de Resíduos S.A. operates as a waste treatment and recovery company. The company operates through Final Disposal of Solid Waste; Energy, Biogas & Carbon Credit; Waste Processing and Industrialization; and Environmental Engineering segments. The Final Disposal of Solid Waste segment processes and disposes waste. The Energy, Biogas & Carbon Credit segment sources and treats gases from the decomposition of waste for the sale or reuse of methane gas. This segment also produces renewable energy from biogas electric power plants; and trades carbon credit. The Waste Processing and Industrialization segment develop plants for processing materials from the industrial sector, recycling solid urban waste, and the direct burning of waste for energy generation. The Environmental Engineering segments offers services in the areas of recovery of degraded areas, remediation of contaminated areas, environmental diagnosis and monitoring, waste management, and the cleaning of oil industry tanks, along with others. The company was formerly known as Haztec Investimentos e Participações S.A. and changed its name to Orizon Valorização de Resíduos S.A. in August 2020. Orizon Valorização de Resíduos S.A. was founded in 1999 and is based in Rio de Janeiro, Brazil.