Axion International Holdings, Inc. manufactures, markets and sells composite rails ties and structural building products, such as pilings, I-beams, T-beams and boards, which, based upon patented technology, are fully derived from common recycled plastics and high-density polymers, such as polyethylene, polystyrene and polypropylene. The Company markets its products in two lines, the first being ECOTRAX, its line of rail ties, and the second being STRUXURE, its line of structural building products. As of December 31, 2011, the Company marketed its products to both the United States domestic and international railroad industry, the United States military, and industrial engineering and contracting firms.