Vertex Energy is an environmental services company that recycles industrial waste streams and off-specification commercial chemical products. Co. operates in three segments: Black Oil, which collects and purchases used motor oil directly from third-party generators, aggregates used motor oil from a network of local and regional collectors, and sells used motor oil to its customers; Refining and Marketing, which aggregates and manages the re-refinement of used motor oil and other petroleum by-products and sells the re-refined products to end customers; and Recovery, which includes a generator solutions company for the proper recovery and management of hydrocarbon streams.