Heatran
Korea. Specializes in design of heat transfer equipment and related systems, including heat exchangers, heat recovery steam generators, waste heat boilers, economizers, condensers, heaters, and coolers.
http://www.heatran.com/

Heat Transfer Systems Inc.
Designs and manufactures broad range of thermal processing products. Includes heat exchangers, heat recovery boilers, and waste heat recovery units. Service include repairs, replacements, and modifications of existing equipment.
http://www.heattransfersys.com

Heat Pipe Technology, Inc.
Manufacturer of heat pipes for dehumidification and heat recovery
http://www.heatpipe.com/

Heat Treatment - preheat and postweld heat treatment
Maritime Stress pre-heat and post weld heat treatment products, equipment that we manufacture, sell, rent, lease
http://www.maritimestress.com

Hindustan Radiators & Heat Exchangers (P) Ltd.
India. Manufactures broad range of heat transfer equipment. Includes automotive and industrial radiators, air cooled and shell and tube heat exchangers, finned heat exchanger tubes, oil coolers, and waste energy recovery units.
http://www.hindustanradiators.com/

HANOL Technology Inc.
design service for heat transfer equipments and related systems, including various type of heat exchangers, heat recovery steam generators, waste heat boilers, economizers, condensers, heaters, coolers
http://www.hanoltech.com

Allied Heat Transfer International
Australia. Alliance of companies manufacturing, servicing, and maintaining broad range of heat transfer equipment. Examples include heat exchangers, radiators, air/oil coolers, fans, and cooling towers.
http://www.ahti.com.au/

Heat Exchanger Gaskets
Plate Heat Exchanger Gaskets Pty Ltd are specialists in Plate Heat Exchanger Gaskets supply and servicing with all heat exchangers and heat exchanger seals and heat exchanger plates and heat exchanger products
http://heatexchangersgaskets.com

JM Heat Exchangers
UK. Heat exchanger design, manufacture and repair. Products include shell and tube exchangers, fin coils, calorifiers, plate heat exchangers, charge air coolers, and fin fan exchangers.
http://www.jmheatexchangers.com/

Atmosphere Heat Treating
Specializes in austempering heat treatment process for greater ductility,impact resistance, and less distortion than heat treating conventional process.
http://www.atmosphereheattreat.com