Horst GmbH.
Das Unternehmen ist in der Entwicklung, Herstellung und Vertrieb von elektrischen Heizelementen tätig, die vorwiegend im Bereich der Forschung und Industrie eingesetzt werden.
http://www.horst.de

Keensound
Hong Kong manufacturer and exporter of thermostats and heating regulators for household appliances.
http://www.keensound.com/

Watts Regulator Company
An Innovative Manufacturer of Water Quality Products including Backflow Preventers, Regulators, Valves, PEX Plumbing, Reverse Osmosis, Radiant Heat and much more...
http://www.watts.com/

Illinois Mechanical Sales Inc.
Distributes wide range of heating and power equipment. Includes boilers, boiler feed systems, combustion equipment, deaerators, valves, pumps, regulators, and other related accessory products.
http://www.ilmechsales.com

Tigerholm Products AB
Tigerholm arbetar inom VVS med tigerloop, oljeavluftare, filter, tigex, dragbegränsare, draglucka, dragex, notap, påstick, anslutning, blockering, dykrörsadapter, tiger, antihävertventil
http://www.tigerholm.se

The Conrad Company
Manufactureres of Heated Hoses, Heat Blankets and flexible electric heaters.
http://www.conrad-co.com/

Onstate Technologies
Manufactures power electronic products for hobbyists and recreational users including voltage regulators, linear DC regulators, DC-DC converters and battery chargers.
http://www.onstatetech.com

TJ's Plumbing and Heating Inc.
TJ’s Radiant Heat Plumbing and Heating provides air conditioning and Snow Melting in Boston Massachusetts and New England
http://www.tjsradiantheat.com/

Shelter Products North West
USA. Retailers of radiant floor heating systems using hydronic heating. Includes design and support, product information, residential and commercial heating and online shopping.
http://spnwsupply.com

Circle Seal Controls Valves & Regulators
Manufactures precision valves, regulators and control systems for fluids and gases in industrial and aerospace/military applications.
http://www.circle-seal.com