#oil industry
- Ahwaz — A major industrial city located in southwestern Iran and the capital of the Khuzestan province, situated on the banks of the Karun River. Historically known also as Ahvaz, this structural urban hub is a vital center for the Iranian oil industry, famous in modern times for its monumental bridges as well as for its extreme environmental challenges regarding air quality and soaring summer temperatures.
- Băicoi (town) — A town in Prahova County, Muntenia, Romania, located in the hilly sub-Carpathian region, historically renowned as a major center for oil extraction and processing. The toponym has an ancient anthroponymic origin, deriving from the name of the original estate owner, Baicu.