Alan Mark Nelson

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.

The International Association of Geophysical Contractors promotes a safe, environmentally responsible, and competitive geophysical industry. The non-profit company is based in Houston, TX.

The American Society of Safety Engineers operates as an association of engineers. The non-profit company is based in Des Plaines, IL.