This U.S. Census Bureau NAICS-based industry comprises establishments primarily engaged in trading, on own account, the rights to a whole or partial interest in the proceeds from the sale of oil or gas, produced from a specific tract.

Cross-References. Establishments primarily engaged in--

• Drilling oil and gas, oil and gas exploration--are classified in 21311, Support Activities for Mining;
• Buying and selling gas and oil leases and royalties on a fee or commission basis--are classified in U.S. Industry 523999, Miscellaneous Financial Investment Activities; and
• Leasing (other than on own account) the rights to a whole or partial interest in the proceeds from the sale of oil or gas, produced from a specific tract--are classified in U.S. Census Bureau NAICS-based industry 5331101, Oil Royalty Trading Companies.