Rosa Operating LLC acquired the assets of Fintube LLC in March of 2018. Headquartered in Tulsa, Oklahoma and with five decade ... s in the industry, Fintube is a leader in heat transfer products. The Company's brand names are well known in the industry and its products are used in a wide range of energy infrastructure and industrial applications where high-performance heat transfer components are required. Business units include TEKtube tubular products, which manufactures ERW tubes for boiler applications. read more