John Zink Company, LLC designs and manufactures emissions-control and clean-air combustion systems for customers in the United States and internationally. Its product portfolio includes low-emissions burner systems, onshore and offshore flares, thermal oxidizers, and vapor combustion and recovery products. The company offers gas and oil combustion systems for marine and offshore applications; custom engineering and design work, including ship surveys; low NOx, ultra low-NOx, and next-generation process burner systems for the ethylene, refining, and reforming industries; and boiler burners, duct burners, and flare systems. It also provides thermal oxidation systems to destroy various hazardous industrial wastes; flare gas recovery systems that enable facilities requiring flare systems to achieve the benefits of near-zero flaring. In addition, the company offers advanced solutions and technologies to safely control emissions generated from truck and rail car loading; barge and ship loading; storage tanks; and barge and tank degassing. Further, it offers plant solutions for the biogas industry and digester applications; and equipment rentals. Furthermore, the company provides 24-hour emergency, technical assistance, operator training, installations and start-up, system upgrade, heater tune-up, and retrofit, combustion surveys, and maintenance programs; spare and replacement parts; and remote, real-time troubleshooting, and diagnostic support. Its products are used in oil and gas exploration and production, natural gas processing, refining, petrochemicals, inorganic chemicals/fertilizer, terminals and distribution, biofuels, pharmaceutical, primary metals, landfill gas, agricultural and municipal wastewater, food processing, and pulp and paper industries. The company was founded in 1929 and is headquartered in Tulsa, Oklahoma. John Zink Company, LLC operates as a subsidiary of Koch Chemical Technology Group, LLC.