Dawson Geophysical Company, formerly TGC Industries, Inc., is a provider of onshore seismic data acquisition and processing services with operations throughout the United States and Canada. The Company acquires and processes two-dimensional (2-D), three-dimensional (3-D) and multi-component seismic data for its clients, ranging from oil and gas companies to independent oil and gas operators, as well as providers of multi-client data libraries. It operates through contract...