Official definition

This industry comprises establishments primarily engaged in manufacturing petroleum products (except asphalt paving, roofing, and saturated materials) from refined petroleum or coal products made in coke ovens not integrated with a steel mill. Illustrative Examples: Biodiesel fuels not made in petroleum refineries and blended with purchased refined petroleum Coke oven products (e.g., coke, gases, tars) made in coke oven establishments Petroleum brake fluids made from refined petroleum Petroleum jelly made from refined petroleum Petroleum briquettes made from refined petroleum Petroleum lubricating oils and greases made from refined petroleum Petroleum waxes made from refined petroleum Re-refining used petroleum lubricating oils Cross-References. Establishments primarily engaged in--