Niles Steel Tank® is located in the southwest corner of Michigan and is a fabricator of custom and standard pressure vessels, hot water generators, process tanks, and storage tanks. As a manufacturer of custom pressure vessels and process tanks, Niles Steel Tank® builds under the ASME Boiler and Pressure Vessel Code, Section VIII Division 1, with HLW, R, and U stamps in both carbon steel and stainless steel materials. Niles Steel Tank® supplies major manufacturing corporations across the U.S., Mexico, Canada, Europe, Asia, and the Middle East. The Niles Steel Tank® campus covers approximately 12.5 acres, with a building coverage of 110,000 square feet. Today, you’ll find that Niles Steel Tank® is not only a quality supplier for the major manufacturing corporations across the country but is also an OEM vessel supplier for equipment manufacturers who use tanks as an integral part of their products. Our diverse list of customers includes the automotive, compressor and press industries, air conditioning, water filtration, chemical and pharmaceutical companies and a host of other industries. NST also fabricates glass-lined pipe and fittings for the chemical, paint and waste water treatment sectors.