The following is a list of companies contributing to heat control and noise control for digital network, communications, and multimedia devices.

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ARAI Co., Ltd. http://www.saitama-j.or.jp/~araier/group02.html
　 Heat sink manufacture
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ALPHA Co., Ltd. http://www.micforg.co.jp
　 High-performance heat sink manufacture, and micro-forging process
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ASUKA Electronic Service Co., Ltd.
　 Sales and distribution of radiator parts and fan motors
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Eagle Industry Co., Ltd. http://www.ekk.co.jp
　 An agency of Wakefield Engineering,inc.
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SSI Co., Ltd.
　 Thermal conductive adhesives and coating materials
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Cosmo TD Corporation http://www.cosmotd.co.jp
　 Fan motors, Fan guards, Heat sinks
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SAKAGUCHI E.H VOC Corp. http://www.sakaguchi.com
　 Ceramic heaters, Hot air guns
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SUNPOLYMER Co., Ltd. http://www.sunpoly.co.jp
　 Heat resistant silicone sponge
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Thermagon,Inc. http://www.thermagon.com
　 Interface pad, Gap filler
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SANYO DENKI Co., Ltd. http://www.sanyodenki.co.jp
　 ク−ラ「サンエ−スMC」･ファンモ−タ製造。
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GELTEC Co., Ltd. http://www.geltec.co.jp/
　 Thermal conductive Lambda-GEL (vibration isolation)
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Shin-Etsu Chemical Co., Ltd. http://www.shinetsu.co.jp
　 Shin-Etsu silicone, Heat radiation/conductive rubber, Grease
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SHOWA DENKO K.K.
Heat Exchanger Div. 		http://www.sdk.co.jp/t_jigyo.htm
　 Skyvefin heat sink, Heat pipe
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SUMITOMO 3M Limited http://www.mmm.co.jp
　 Thermal conductive/Heat resistance epoxy adhesive/Sheets
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SUMITOMO Metal Industries, Ltd. http://www.sumitomometals.co.jp/
　 Colgate fin, Micro fin heat sink, Heat pipe
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Three Bond Co., Ltd. http://www.threebond.co.jp
　 Heat resistant, silicone gel
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TAKAGI Mfg Co., Ltd.
　 Radiators and heat sinks manufacture
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TAIYO WIRE CLOTH Co., Ltd. http://www.twc-net.co.jp/
　 Thermal control products, CHOMERICS, THERMFLOW
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Denki Kagaku Kogyo K.K. http://www.denka.co.jp
　 Heat radiation sheet/spacer, fine ceramics technology
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Dow Corning Toray Silicone Co., Ltd. http://www.dcts.co.jp/
　 Rubber/gel adhesive coating materials, compounds
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Nihon Denka Kohki Co., Ltd. http://www.t3.rim.or.jp/~ndenka
　 Electrical heater, Heat related device
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Nihon Den-Netsu Keiki Co., Ltd. http://www.sensbey.co.jp
　 Thermostats, Heater elements
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Nippon Blower Co., Ltd. http://www.nipponblower.com
　 Sales of heat control equipment and motors
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Henkel Japan Ltd. http://www.loctite.co.jp
　 Thermal conductive adhesive
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Nitto Denko Corporation http://www.nitto.co.jp
　 Thermal conductive double-faced tape
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Hitachi Cable, Ltd. http://www.hitachi-cable.co.jp
　 Heat pipe, Electrical parts, etc.
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Hitachi Chemical Co., Ltd. http://www.hitachi-chem.co.jp
　 High-temperature thermal conductive adhesive film
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Ferrotec Corporation http://www.ferrotec.co.jp
　 Manufacture of thermo module products
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Fujikura Ltd. http://www.fujikura.co.jp
　 Heat pipes, Copper/Aluminum wires
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Fujipoly Co., Ltd. http://www.mesh.ne.jp/fujipoly/
　 THERCON thermal conductive silicone rubber sheet
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Fujitaka Co., Ltd. http://www.fujitaka.com/pub/index.html
　 Manufacture of thermal control device and cooling unit parts
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Furukawa Electric Co., Ltd.
Heat Electrical Material Div. 		http://www.furukawa.co.jp
　 Heat pipe, Heat sinks, Electrical cable
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HOSHO Corporation http://www.hosho.ne.jp/
　 Sole distributor for WE Co., Ltd., agency of AAVID Co., Ltd.
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Hoshino Metal Industries http://www.soldam.co.jp
　 AMD approved "Windy"
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BEEDEP Co., Ltd.
　 An agency of Thermalloy Inc.
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Vickers Industries
　 Manufacture and sales of heat sinks
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Marusan Electric Co., Ltd. http://www.lex.co.jp
　 Manufacture of LEX heat sinks and molded knobs
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Mizutani Electric Co., Ltd. http://www.mizuden.co.jp
　 " Power Kicker " radiator for elements
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Midoriya Electric Co., Ltd. http://www.midoriya.co.jp
　 An agency of Thermalloy, ELE parts dealer
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L S I Cooler Co., Ltd. http://www.si-tech.co.jp/yoshi.htm
　 Crimp type heat sink (corm fit)