Superior Boiler Works, based out of Hutchinson Kansas, is the worlds leading manufacturer of Scotch Marine Firetube boilers for process steam, hot water, and waste recovery. Superior Boiler Works is also leading the w......Superior Boiler Works, based out of Hutchinson Kansas, is the worlds leading manufacturer of Scotch Marine Firetube boilers for process steam, hot water, and waste recovery. Superior Boiler Works is also leading the way in Ethanol Production with the Apache Ethanol Boiler. We have been manufacturing boilers since the mid 1940s and have shipped boilers globally