Quest Resource Holding Corporation, together with its subsidiaries, provides solutions for the reuse, recycling, and disposal of various waste streams and recyclables in the United States. It offers disposal and recycling services for motor oil, automotive lubricants, oil filters, scrap tires, oily water, goods destruction, food waste, meat renderings, cooking oil, grease trap waste, plastics, cardboard, metal, glass, mixed paper, construction debris, and a variety of regulated and non-regulated solid, liquid, and gas wastes. The company markets its services to automotive, manufacturing, hospitality and retail, construction and demolition, and commercial and multi-family property management industries through direct sales force and strategic partnerships.