Covanta Energy is a provider of energy management systems and products. Based in Tulsa, Okla., the firm is an internationally recognized owner and operator of Energy-from-Waste and power generation projects. The company s Energy-from-Waste facilities convert municipal solid waste into renewable energy for numerous communities. Covanta Energy operates over 40 Energy-from-Waste facilities in North America, Europe and Asia. The company offers a broad range of products that include creams, lotions, ointments, pills, powders, food products, cosmetics and health care products.