Trecora Resources manufactures and sells various specialty petrochemicals products and specialty waxes in the United States. It operates through two segments, Specialty Petrochemicals and Specialty Waxes. The Specialty Petrochemicals segment offers hydrocarbons and other petroleum-based products, such as isopentane, normal pentane, isohexane, and hexane used in the production of polyethylene, packaging, polypropylene, expandable polystyrene, poly-iso/urethane foams, crude oil from the Canadian tar sands, and in the catalyst support industry. It also owns and operates natural gas pipelines. The Specialty Waxes segment provides specialty polyethylene waxes for use in the paints and inks, adhesives, coatings, and PVC lubricants; and specialized synthetic poly alpha olefin waxes for use as toner in printers and as additives for candles. This segment also provides custom processing services. The company was formerly known as Arabian American Development Company and changed its name to Trecora Resources in June 2014. Trecora Resources was incorporated in 1967 and is headquartered in Sugar Land, Texas.