Trecora Resources is engaged in the manufacturing of specialty petrochemical products, specialty waxes, and providing custom processing services. The Company operates through two segments: Specialty Petrochemicals and Specialty Waxes segment. Its Specialty Petrochemicals segment is conducted through South Hampton Resources, Inc. (SHR). SHR owns and operates a specialty petrochemicals facility in Silsbee, Texas, which produces hydrocarbons used primarily in polyethylene, packaging, polypropylene, expandable polystyrene, poly-iso/urethane foams, Canadian tar sands, and in the catalyst support industry. Its Specialty Waxes segment is conducted through Trecora Chemical, Inc. (TC) located in Pasadena, Texas, which produces specialty polyethylene and poly-alpha-olefin waxes and provides custom processing services. The specialty polyethylene waxes are used in markets from paints and inks to adhesives, coatings, and polyvinyl chloride (PVC) lubricants.