heritage-crystal clean, inc. provides parts cleaning, used oil re-refining, and hazardous and non-hazardous waste services to small and mid-sized customers in both the manufacturing and vehicle service sectors. our service programs include parts cleaning, containerized waste management, used oil collection and re-refining, and vacuum truck services. these services help our customers manage their used chemicals and liquid and solid wastes, while also helping to minimize their regulatory burdens. our customers include businesses involved in vehicle maintenance operations, such as car dealerships, automotive repair shops, and trucking firms, as well as small manufacturers, such as metal product fabricators and printers. through our used oil re-refining program, we recycle used oil into high quality lubricating base oil, and we are a supplier to firms that produce and market finished lubricants. heritage-crystal clean, inc. is headquartered in elgin, illinois, and operates through 74 branc