Heritage-Crystal Clean, Inc. is a provider of parts cleaning services in the United States, and a provider of containerized waste services that focuses on small and mid-sized customers. The Company offers an integrated suite of industrial and hazardous waste services, including parts cleaning, containerized waste management, used oil collection and re-refining and vacuum truck services. In the Company�s non-hazardous program, it provides its customers an alternative parts cleaning solvent not included in the definition of hazardous waste due to its increased flashpoint (the minimum temperature at which vapors from the solvent will ignite when tested under specified laboratory conditions). In its product reuse program, it sells used solvent as an ingredient for use in the manufacture of asphalt roofing materials. In February 2013, it acquired a majority interest in Mirachem LLC.