Heritage-Crystal Clean, Inc. is a leading provider of parts cleaning, used oil re-refining, and hazardous and non-hazardous waste services primarily focused on small and mid-sized customers. The company operates across the United States, offering a range of environmental services that help businesses manage their waste responsibly and sustainably.

In terms of sustainability, Heritage-Crystal Clean, Inc. is committed to reducing environmental impact through its comprehensive waste management solutions. The company emphasizes the importance of recycling and re-refining used oil, which not only conserves natural resources but also reduces greenhouse gas emissions. Their re-refining process is designed to produce high-quality lubricants while minimizing waste and energy consumption.

Heritage-Crystal Clean, Inc. is actively involved in promoting sustainable practices within its operations and encourages its clients to adopt environmentally friendly waste management solutions. The company is dedicated to continuous improvement in its sustainability efforts, although specific ESG reports or carbon footprint calculations are not extensively detailed in public resources.