TETRA Technologies, Inc. operates as a diversified oil and gas services company. The company operates in three divisions: Fluids, Production Enhancement, and Offshore. The Fluids Division manufactures and markets clear brine fluids, additives, and other associated products and services to the oil and gas industry for use in well drilling, completion, and workover operations in the United States, as well as in various countries in Latin America, Europe, Asia, the Middle East, and Africa; and markets liquid and dry calcium chloride products to non-energy markets. The Production Enhancement division offers production testing services in various oil and gas basins in the United States, as well as in Mexico, Brazil, northern Africa, and the Middle East; and wellhead compression-based production enhancement services in the onshore producing regions of the United States, as well as various onshore basins in Canada, Mexico, South America, Europe, and Asia. The Offshore division provides offshore services, including downhole and subsea oil and gas services, such as well plugging and abandonment, and wireline services; decommissioning and construction services utilizing heavy lift barges and various technologies for offshore oil and gas production platforms and pipelines; and conventional and saturated air diving services. It also engages in the exploration, development, and production of oil and gas properties in the offshore and onshore U.S. Gulf Coast region. This division provides its services to oil and gas companies and independent operators. The company was founded in 1981 and is headquartered in the Woodlands, Texas.