Nooter Chicago, established in 1979, serves Chicagoland and NW Indiana as a safety-driven mechanical industrial contractor wi ... th proficiencies ranging from ongoing maintenance services to capital projects. Our areas of capabilities and experience include, but are not limited to, erection and maintenance of process piping systems, pipe fabrication, pressure vessel repair, maintenance, and equipment setting in the following industries: refinery, chemical, specialty gases, steel mills, pharmaceutical, paper mills, power generation, manufacturing, municipality, aggregate and wastewater treatment. We also retain the S & R ASME stamps which enables us to work on power boilers, pressure piping and repair/alter boilers and pressure vessels. read more