North American Industry Classification System (NAICS) 1997
- 48-49 - Transportation and Warehousing
- 486 - Pipeline Transportation
- 4869 - Other Pipeline Transportation
- 48691 - Pipeline Transportation of Refined Petroleum Products
- 486910 - Pipeline Transportation of Refined Petroleum Products
- 48699 - All Other Pipeline Transportation
- 486990 - All Other Pipeline Transportation
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