SICIndustry Group
SIC 291—Petroleum Refining
Industry Group · Standard Industrial Classification (1987)
Where 291 sits
- D Manufacturing
- 29 Petroleum Refining and Related Industries
- 291 Petroleum Refining
Contains 1 narrower code
Description
For detailed description of SIC 291, see Subcategories in the Hierarchy Navigation on this page.
291 in other systems
Looking up equivalents…