TETRA Technologies, Inc. is oil and gas services company, focused on completion fluids and other products, production testing, wellhead compression, and selected offshore services including well plugging and abandonment, decommissioning, and diving. The Company also has limited domestic oil and gas production business. The Company operates under five reporting segments organized into three divisions: Fluids, Production Enhancement, and Offshore. The Fluids Division manufactures and markets clear brine fluids, additives, and associated products and services to the oil and gas industry. The Production Enhancement Division consists of two operating segments: Production Testing and Compressor. The Production Testing segment provides after-frac flow back, production well testing, offshore rig cooling, and other associated services.