TDC is a global partner to the oil refining and natural gas production industries providing solutions to extract and manage sulfur and sodium balance.  TDC is a leading producer and supplier of sodium hydrosulfide (NaHS) to the mining, pulp and paper, pharmaceutical, chemical, leather tanning and environmental remediation industries.  NaHS is used in making products that are important to everyday life. TDC is focused on providing sulfur and sodium process solutions. A dedicated engineering and technology team compliments the products and services offered by providing engineering, procurement and construction expertise as well as consultation on safe and efficient product use. TDC’s group of professionals is among the most experienced in the industry. Our customer focus allows us to dedicate senior-level attention to our client/customers. It all begins with the long-term partnerships TDC has developed with refineries of various capacities. TDC processes sour gas streams for removal of H₂S to enhance process efficiencies and refinery optimization with its proprietary technology. These are mutually beneficial relationships, in which refineries are allowed to achieve their maximum production capacities. Provides sodium (Na) and sulfur (S) solutions, as well as superior service, to customers in the specialty chemical, environmental, mining, pulp/paper and tanning markets to improve / realize their process efficiencies.