Stuart Allan Wright

Dawson Geophysical Co. is a provides onshore seismic data acquisition and processing services in the United States. It acquires and process 2-D, 3-D and multi-component seismic data for its clients, ranging from major oil and gas companies to independent oil and gas operators as well as providers of multi-client data libraries. The company operates 3-D seismic data acquisition crews in the United States and seismic data processing centers. Its Geophysical Services business consists of the acquisition and processing of seismic data to produce an image of the earth's subsurface. Dawson Geophysical was founded by L. Decker Dawson in 1952 and is headquartered in Midland, TX.

OXY USA, Inc. engages in the exploration of oil and natural gas. The company is headquartered in Sante Fe, NM.

Cities Service Co. explores for and produces oil and gas. The company is based in Tulsa, OK. Cities Service was acquired by Occidental Petroleum Corp. on December 31, 1982 for $4,115.60 million.

The Society of Exploration Geophysicists operates as an association of exploration geophysicists. The non-profit company is based in Tulsa, OK and has subsidiaries in the United States.