Markin is a premier manufacturer of highly-engineered small-diameter custom steel tubing. Established in 1958, Markin started ... as a company with one tube mill, spun from General Motors in Rochester, NY. Today, from our centrally located headquarters in the Buffalo/ Niagara region of Western New York, Markin operates eight steel tube mills in a technically advanced and efficient 200,000 sq. ft. production facility. We offer coated (Copper, Galfan, and Nickel) and uncoated welded steel tubing to meet the rigorous specification requirements of our partners serving the automotive, commercial transportation, agricultural, construction, industrial equipment, heat exchange, and consumer products industries, including SAE J-356, SAE J-526, ASTM A-513 Type 2, and ASTM 1178. In addition to our custom steel tubing manufacturing capabilities, we deliver a range of value-added functions to our customers. These include fabrication, end forming, light assembly, and much more. Our leading-edge manufacturing methods, extensive quality certifications, and experienced team are committed to delivering value-added solutions to our customers worldwide. read more