Oil Price Information Service - Wikipedia
https://en.m.wikipedia.org/wiki/Oil_Price_Information_Service
WebOil Price Information Service (OPIS) is a price reporting agency which provides information that is used for commercial contracts and trade settlement related to petroleum, gasoline, diesel, ethanol, biodiesel, LP-gas, jet fuel, crude, natural gas, petrochemicals, recycled plastics, refinery feedstocks, residual fuel, and kerosene.
DA: 35 PA: 38 MOZ Rank: 38