Cities that offered new industries and jobs built up around oil fields.

1. Tulsa, Oklahoma - Known as the "Oil Capital of the World," Tulsa saw a rapid growth in population and wealth due to the discovery of oil in the early 20th century. The city became a hub for oil and gas companies, as well as related industries such as manufacturing, transportation, and finance.

2. Houston, Texas - Houston has long been a major center for the oil and gas industry, with numerous oil companies headquartered in the city. The discovery of oil in East Texas in the early 20th century further fueled Houston's growth, leading to the development of a diverse economy and a booming job market.

3. Midland, Texas - Located in the heart of the Permian Basin, Midland has a strong oil and gas industry that has attracted workers and businesses to the area. The city has seen significant growth in recent years due to the resurgence of the oil industry and the development of new technologies for oil extraction.

4. Bakersfield, California - Bakersfield is a major center for oil production in California, with a long history of oil drilling in the area. The city has a large number of oil wells and refineries, as well as related industries such as agriculture, manufacturing, and transportation.

5. Aberdeen, Scotland - Aberdeen has a thriving oil and gas industry, with many offshore oil platforms located in the North Sea. The city is home to a large number of oil and gas companies, as well as oil service providers and engineering firms that support the industry.