Rentech, Inc., through its subsidiaries, provides wood fiber processing services, wood chips, and wood pellets. The company operates through five segments: East Dubuque; Pasadena; Fulghum Fibres; Wood Pellets: Industrial; and Wood Pellets: NEWP. It manufactures and sells natural-gas based nitrogen fertilizer products in North and South America. The company’s products include ammonia and urea ammonium nitrate solution; and ammonium sulfate, ammonium thiosulfate, and sulfuric acid, which are applied to various crops, including soybeans, potatoes, cotton, canola, alfalfa, corn, and wheat. It also provides wood chipping and wood yard operations services, as well as sells wood chips to the pulp, paper, and packaging industry; produces wood pellets for the industrial power generation, and the residential and commercial heating markets; processes and sells biomass fuel to industrial heat and utility customers; and owns and manages forestland, as well as sells bark to industrial consumers in South America. The company was founded in 1980 and is based in Los Angeles, California.