OMNI Energy Services Corp. is an oilfield service company specializing in providing an integrated range of onshore seismic drilling and survey services to geophysical companies operating in logistically difficult and environmentally sensitive terrain in the United States. The company''s primary market is the marsh, swamp, shallow water and contiguous dry land areas along the U.S. Gulf Coast, primarily in Louisiana and Texas, where it is the leading provider of seismic drilling services.