The Sunoco Lubricants Refinery in Tulsa, OK, Product Development Center in Marcus Hook, PA, and Corporate Business Center in Philadelphia, PA (which includes Customer Service and Supply & Distribution) are all ISO 9001 certified by Quality Systems Registrars. As such, all Sunoco refining processes are controlled for strict compliance with accepted process control practices.

We also certify our own Quality Management System as well, to provide an added level of satisfaction. These efforts are in harmony with our corporate philosophy of continual improvement.
  QUALITY COMMITMENT    CONTACT LUBRICANTS & SPECIALTY PRODUCTS    SHIPPING GUIDELINES