Manufacturers
Manufacturers
 A
AAF International
Website: www.aafintl.com
Website: www.mcquay.com
 
AAON
mailto:aaon@aaon.com
Website: www.aaon.com
 
Acme Engineering and Manufacturing
mailto:acmemktg@acmefan.com
Website: www.acmefan.com
 
Acme Engineering and Manufacturing
mailto:acmemktg@acmefan.com
Website: www.acmefan.com
 
ACR Systems
mailto:acr@acrsystems.com
Website: www.acrsystems.com
 
ADAPT, Inc.
Website: www.coolestspot.com
 
Addison Products Co.
Website: www.addison-HVAC.com
 
Advance Controls, Inc.
mailto:aci@acicontrols.com
Website: www.acicontrols.com
 
Aeroequip Corp.
Website: www.aeroquip.com 
 
Aggreko Cooling Tower Services
Website: www.aggreko-cooling-tower-rentals.com
 
Air-Care
mailto:info@air-care.com
Website: www.air-care.com
 
Air-conditioning and Refrigeration Wholesalers (ARW)
Website: www.arw.org
 
Air Distributors Co., Inc.
mailto:gmcnary@airdistributors.com
Website: www.airdistributors.com
 
Air Drive, Inc.
mailto:airdrive@aol.com
Website: www.airdrive.com
 
AirMate
mailto:tim.rothgeb@zurn.com
Website: www.airmate.com
 
AirPac, Inc.
Website: www.airpacinc.com
 
Air Rover, Inc.
mailto:acinfo@airrover.com
Website: www.airrover.com/
 
Airserco Manufacturing Co.
mailto:airserco@cybergate.net
Website: www.cybergate.net/~airserco
 
Airtec Products Corp.
Website: www.airtecproducts.com
 
Aitons Equipment
Website: www.aitons.com
mailto:office@aitons.com
 
Alerton Technologies
mailto:info@alerton.com
Website: www.alerton.com
 
Amcraft, Inc.
Website: www.amcraftinc.com
 
AmericanAirFilter
Website: www.aafintl.com
Website: www.mcquay.com
 
American Geothermal Inc
Website: www.AmGeo.com
 
American Chillers and Cooling Tower Systems
Website: www.amchiller.com
 
American Standard
Website: www.amstd-comfort.com
 
Amprobe Instrument
Website: www.amprobe.com
 
AMTROL
Website: www.amtrol.com
 
Andover Controls
Website: www.andovercontrols.com 
 
APR Supply Co.
Website: www.aprsupply.com
 
Arcoaire Air Conditioning & Heating
Website: www.arcoaire.com
 
ArctiChill Inc.
mailto:chiller@mail.idt.net
Website: www.arctichill.com
 
Armstrong International S A
mailto:marketing@armstrong-intl.com
Website: www.armstrong-intl.com
 
Armstrong/Yoshitake, Inc.
mailto:a-y@armstrong-intl.com
Website: www.armstrong-intl.com
 
Armstrong World Industries
mailto:moreinfo@armaflex.com
Website: www.armaflex.com 
 
ASI Controls
Website: http://www.asicontrols.com
 
Atco Rubber Products, Inc.
mailto:CKirkland@atcoflex.com
Website: www.atcoflex.com
 
Atlantic Engineering
mailto:aeductools@aol.com
Website: www.aeductools.com 
 
Auto-Matrix Auto-Flow
Website: www.auto-matrix.com 
 
Auto Tran Inc.
Website: www.designinfo.com
 
 
 
B
Bailey Refrigeration Co., Inc. 
mailto:iceben@aol.com
Website :http://www.baileyco.com/
 
Baldor Electric Co.
Website: http://www.baldor.com/
 
Baltimore Aircoil Co. E-mail:
info@mail.baltaircoil.com
Website:http://www.baltaircoil.com/ 
 
Bananza Air Management Systems
E-mail: Bananza@iserv.net 
 
Bard Manufacturing Co.
mailto:bard@bardhvac.com
Website: http://www.bardhvac.com/
 
Barnant Co.
Website: http://www.barnant.com/
 
BarryBlower, McQuay International
Website: http://www.mcquay.com/ 
 
Bassett Air Quality, Inc.
E-mail: ARBBAQ@AOL.COM 
 
Belimo Aircontrols (USA), Inc.
Website: http://www.belimo.com/ 
 
Berner Interntional Corp.
mailto:airdoors@berner.com
Website: http://www.berner.com/
 
Beta Technology
mailto:sales@beta-technology.com
Website: www.beta-technology.com
Phone: 831-423-4573 or 800-858-2382
 
Bramec Corp.
mailto:customerservice@bramec.com
Website: http://www.bramec.com/
 
Brennan & Associates, Inc.
Website: http://www.brennanhvac.com 
 
Brinmar Ltd.
Website: http://www.brinmar.com
 
Bronz-Glow Technologies
Website: http://www.bronz-glow.com/
 
Bry-Air, Inc.
Website: http://www.bryair.com/
 
Bryant Heating & Cooling Systems
Website: http://www.bryant.com/
 
Building and Home Improvement Products Network
mailto:build@build.com
Website: http://www.build.com/ 
 
Building Automation 
Products, Inc.
mailto:bapi@bapihvac.com
Website: http://www.bapihvac.com/
 
Burnham Corp.
Website: http://www.burnham.com/ 
 
 
 
C
 
California Economizer
mailto:calecon@hvaccomfort.com
Website: http://www.hvaccomfort.com/ 
 
Calmac Manufacturing Corp.
mailto:calmac@compuserve.com
Website: http://www.calmac.com/contactus/
 
Canadian Geo-Solar Inc.
E-mail: geosolar@sentex.net 
 
Carrier Corp.
Website: http://www.carrier.com/ 

C&H Distributors
Website: http://www.chdist.com/
 
CECO
Website: http://www.ceconet.com
E-mail: laneg@ceconet.com
 
CEL Instruments
Website: http://www.casellausa.com/store/index.cfm
 
CertainTeed
Website: http://www.certainteed.com/
 
E-mail: thomas.a.newton@saint-gobain.com
 
CESCO Products
E-mail: customerservice@cescoproducts.com 
Website: http://www.cescoproducts.com/
 
Clean Burn, Inc.
Website: http://www.cleanburn.com/
 
Cleaver-Brooks
mailto:info@cleaver-brooks.com
Website: http://www.cleaver-brooks.com/ 
 
Cold Room Calc
mailto:leshenko@technologist.com
Website:  www.leshenko.tripod.com/crcee.htm 
 
ColdZone
mailto:support@coldzone.com
Website: http://www.coldzone.com
 
Columbus Industries, Inc.
mailto:colind@scioto.net
Website: http://www.colind.com/
 
Comeq, Inc.
Website: http://www.comeq.com/
 
Comfortmaker Heating & Cooling Products,
Inter-City Products Corp. (USA)
Website: http://comfortmaker.com/
 
Contempo Engineering
Computer Room A/C Parts by Layton Mfg. Corp.
Website: http://www.laytonmfg.com
 
Copeland Corp.
Website: http://www.copeland-corp.com/ 
 
Copper Development Association (CDA)
Website: http://www.copper.org/ 
 
CosaTron, a Division of CRS Industries, Inc.
mailto:sales@cosatron.com
Website: http://www.cosatron.com/ 
 
Criterion Hvac
mailto:sales@criterion-hvac.com
 
Crystal Tips
mailto:BCTM@airmail.com
 
Cummins Southwest
http://start.cortera.com/company/research/k3j3rtn9j/cummins-southwest-inc/
 
CUSTOMVAC
mailto:custom@customvac.mb.ca
Website: www.customvac.com
 
 
 
D
Daikin AC (Americas) Inc.
mailto:Jason.Dempsey@daikinac.com
Website: http://www.daikinac.com/content/
 
Dana Corp.
Website: www.dana.com/everflex/
 
Danfoss
Website: www.danfoss.com
 
Dehumidifier Corp. of America
Website:http://www.dehumidifiercorp.com/
 
Delta Cooling Towers
mailto:deltacooling@worldnet.att.net
Website: http://www.deltacooling.com 
 
Des Champs Laboratories Inc.
Website: www.deschamps.com
 
Dickson
mailto:dicksoncsr@dicksonweb.com
Website: www.dicksonweb.com 
 
Doucette Industries
Website: http://www.doucetteindustries.com
 
Dresser Instrument Division
Website: http://www.dresser.com/instruments
 
Dunham-Bush Inc.
Website: http://www.dunham-bush.com
 
Dunkirk Boilers
mailto:heating@dunkirk.com
Website: http://www.dunkirk.com
 
DuPont Co.
Website: http://www.dupont.com/suva
 
Dynacon Inc.
mailto:dynacon@gte.net
Website: http://www.dynacon.com/
 
 
 
E
Eaton Corp., Appliance and Specialty Controls
mailto:kcheshir@vines.etn.com
Website: Http://www.eaton.com/
 
ECR International
mailto:info@ecrinternational.com
Website: http://www.ecrinternational.com
 
ECR Technologies, Inc.
mailto:info@ecrtech.com
Website: http://www.ecrtech.com
 
EDPAC - Units/Parts by Layton Manufacturing
Website: http://www.laytonmfg.com 
 
Edwards Engineering Corp.
mailto:market@edwards-eng.com
Website: http://www.edwards-eng.com
 
Elmwood Sensors Inc.
Website: http://www.elmwoodsensors.com 
 
Embraco North America, Inc.
mailto:embraco-na@worldnet.att.net
Website: http://www.embraco.com.br 
 
EMCO
mailto:emco@emcorefrig.com
Website: http://www.emcorefrig.com
 
Empire Comfort Systems Inc.
mailto:empire@accessus.com
Website: http://www.empirecomfort.com/
 
Enviromaster International (EMI)
mailto:info@enviromaster.com
Website: http://www.enviromaster.com
 
Enviro Team, Inc.
mailto:iaq@aol.com
Website: http://www.enviroteam.com/main.htm
 
EPA-Energy Star
Website: http://www.trane.com/residential/
 
Evapco
mailto:EVAPCO@erols.com
Website: http://www.evapco.com/
 
Evcon Industries, Inc.
Website: http://www.york.com/
 
Everpure, Inc.
mailto:posnerpr@aol.com
Website: http://www.everpure.com
 
EWC Controls Inc.
mailto:ewcmail@worldnet.att.net
 
Extech Instruments Corp.
mailto:extech@extech.com
Website: http://www.extech.com 
 
 
 
F
Fasco Motors Group
Website: http://www.fasco.com 
 
FHP Manufacturing
mailto:heatpump@fhp-mfg.com
Website: http://www.fhp-mfg.com 
 
Field Diagnostic Services Inc.
Website: http://www.acrx.com
 
First Co.
Website: http://www.firstco.com
 
Flowline Inc.
Website: http://www.flowline.com
 
Fluke Corp.
mailto:fluke-info@tc.fluke.com
Website: http://www.fluke.com 
 
Full Circle, Inc.
mailto:fullcircle@evtc.com
Website: http://www.evtc.com 
 
Functional Devices, Inc.
mailto:fdi@holli.com
Website: www.functionaldevices.com/
 
 
 
G
The Gamewell Company
mailto:gamewellco@aol.com
Website: http://www.gamewell.com 
 
Gaynor & Associates
mailto:Indoor%20Air@aol.com
 
General Eastern Instruments
mailto:info@geinet.com
Website: http://www.geinet.com
 
Geothermal Heat Pump Consortium
mailto:info@ghpc.org
http://www.geoexchange.org/
 
GI Plastek
Website: http://www.giplastek.com
 
GK Solutions
mailto:sales@gksol.com
Website: www.Gksol.com
 
Glasfloss Industries, Inc.
Website: http://www.glasfloss.com 
 
Goodway Technologies Corp.
mailto:goodway@ix.netcom.com
Website: http://www.goodway.com 
 
Governair Corp.
mailto:hugh@governair.com
mailto:mark@governair.com
Website: http://www.governair.com 
 
Graham
mailto:graham@grahamdrives.com
Website: http://www.grahamdrives.com 
 
Grainger
Website: http://www.grainger.com 
 
Grasslin Controls Corp.
mailto:gccsales@grasslin.com
Website: http://www.grasslin.com 
 
Greenheck
Website: http://www.greenheck.com 
 
GreenTech Inc.
mailto:info@connel.com
Website: http://www.greentech.com/
 
Greystone Energy Systems
mailto:greystone@nbnet.nb.ca
Website: http://www.greystoneenergy.com/
 
Gustave A. Larson Co.
mailto:info@galarson.com
Website: http://www.galarson.com 
 
 
 
H
Hartford Compressors Inc.
E-mail: webmaster@hartfordcompressors.com 
Website: http://www.hartfordcompressors.com/
 
Heatcraft Commercial Products, Heat Transfer Division
mailto:heatcoil@aol.com
 
Heatcraft Inc. Refrigeration Products Division
Website: www.heatcraftrpd.com
 
Heat Pipe Technology, Inc.
mailto:heatpipe@gnv.fdt.net
Website: http://www.heatpipe.com
 
Heil Heating & Cooling Products
Website: http://www.Heil-hvac.com 
 
Herrmidifier Company, Inc.
E-mail: herrsales@aol.com
Website: http://www.herrmidifier.com
 
Honeywell, Inc.
mailto:info@corp.honeywell.com
Websites:
Corporate -- http://www.honeywell.com 
 
Hook-Um Dano Ladder Locks
mailto:laderloc@hotmail.com
danod@earthlink.net
http://www.hookumdano.com/
 
Hoshizaki America
Website: http://www.hoshizaki.com
mailto:marketing@hoshizaki.com
techsupport@hoshizaki.com
 
Howden Compressors Inc
mailto:info@howdenbc.com
http://www.howden.com/en/Businesses/HowdenCompressorsLtd/default.htm
 
Hudson Technologies, Inc.
Website: www.hudsontech.com
 
Hussmann Corp.
Website: http://www.hussmann.com 
 
HVAC Distributors, Inc.
Website: http://www.hvacdist.com
 
Hvacr Canadian Resources
http://www.hrai.ca/
 
HVAC Training Comprehensive Resources
http://hvaced.com/hvac-training/
 
Hy-Save, Inc.
mailto:hysave@fta.com
Website: http://www.hysave.com/ 
 
Hypervac Technologies
http://hypervac.com/
 
I
ICOR International
mailto:icor@in-motion.net
Website: http://www.icorinternational.com/
 
ICP Commercial
Website: www.icpcommercial.com
 
IEQ International Ltd.
mailto:refonner@uiuc.edu
 
Indeck Power Equipment Co.
Website: http://www.indeck.com 
 
Independent Alloys, Inc.
mailto:brazing@dallas.net
 
Innovent Air Handling Equipment
mailto:sales@innoventair.com
 
Instrument Technology, Inc. (ITI)
Website: http://www.scopes.com 
 
International Environmental Corporation
Website: www.iec-okc.com
 
ITT Fluid Technology
Website: http://www.ittfluidbusiness.com/
 
ITT Hoffman
Website: www.hoffmanspecialty.com
 
ITT McDonnell & Miller
Website: www.mcdonnellmiller.com
 
 
 
J
Jewett Refrigerator Co.
http://www.thermo.com/com/cda/home
 
Johnson Controls
http://jordanici.com/
 
Johnstone Supply
Website: http://www.johnstonesupplysd.com/
 
Jordan Controls
http://www.reedconstructiondata.com/index.php/smartbuildingindex/?
 
 
 
K
Kasten & Co.
mailto:RKasten904@aol.com
 
Kathabar Inc.
mailto:sales@kathabar.com
Website: http://www.kathabar.com/
 
Kavlico Corporation
mailto:sales@kavlico.com
Website: http://www.kavlico.com
 
Kele & Associates
mailto:info@kele.com
Website: http://www.kele.com
 
Kennard Industries, Inc.
mailto:SamKennard@kennardind.com
Website: http://www.kennardind.com
 
Kinetics Noise Control
Website: http://www.kineticsnoise.com 
 
Klimaire Products Inc.
mailto:klimaire@igc.net
 
 
Koax Corporation
mailto:info@koax.com/t_self
http://www.koax.com/
 
Krack Inc.
Website: http://www.krack.com 
 
Krueger
mailto:asckrueger@aol.com
http://www.krueger-hvac.com/
 
 
 
L
Lau Industries
http://www.laufan.com/
 
Layton Manufacturing
Website: http://www.laytonmfg.com 
 
Lennox Industries Inc.
mailto:Wmccull@aol.com
Website: http://www.davelennox.com 
 
 
Leviton Manufacturing Co.
Website: http://www.leviton.com 
 
Leybold Inficon Inc.
Website: http://www.inficon.com 
 
Liebert Corp.
mailto:upstech@liebert.com
Website: http://www.liebert.com 
 
Lightstat Inc.
mailto:sales@lightstat.com
Website: http://www.lightstat.com 
 
Liskeyaire - Units/Parts by Layton Mfg.
Website: http://www.laytonmfg.com 
 
Lydall, Inc.
Website: http://lydall.com
 
 
 
M
Machado Environmental Corp.
mailto:richbyrd@ix.netcom.com
Website: http://www.machado-duct-cleaning.com/
 
Magic Aire Div., United Electric Co.
Website: www.magicaire.com
mailto:sales@magicaire.com
 
Mammoth
Website: http://www.mammoth-inc.com 
 
Manitowoc Ice, Inc.
Website: http://www.manitowoc.com 
 
Mannix Testing & Measurement
Website: www.mannix-inst.com
mailto:info@mannix-inst.com
 
Marathon Special Products
http://www.marathonsp.com/
 
Marley Cooling Tower
mailto:info@marleyct.com
 
McQuay International Corp.
Website: http://www.mcquay.com 
 
Meenan Oil Company, Inc.
Website: http://www.meenan.com/
mailto:meenanoil@aol.com
 
MEI
Website: http://www.mei-systems.com
 
Meyer Machine & Equipment
Website: http://www.meyermachine.com
 
Mestek, Inc., Engineering
mailto:webmaster@hvacware.com
Website: http://www.hvacware.com 
 
Metalbestos
mailto:tim.rothgeb@zurn.com
Website: http://www.selkirkinc.com/
 
Minvalco Inc.
mailto:min@minvalco.com
Website: http://www.minvalco.com 
 
 
 
N
Nalco Chemical Company
Website: http://www.nalco.com 
 
National Refrigerants, Inc.
mailto:nri@ix.netcom.com
Website: http://www.refrigerants.com
 
Nederman
Website: http://www.nederman.se 
 
NetMedia, Inc.
mailto:info@homeautomation.com
Website: http://www.netmedia.com/
 
New York Blower Co., The
mailto:nyb@nyb.com
Website: http://www.nyb.com
 
Nordyne
Website: http://www.nordyne.com 
 
Northern Research & Engineering Corp.
Website:http://www.ishcc.org/MA/Cambridge/northern-research-amp-engineering-corporation
 
Nth Power Technologies
mailto:NthMG@aol.com
 
Nu-Calgon Wholesaler, Inc.
Website: http://www.nucalgon.com 
 
NuTemp Inc.
mailto:DER@nutemp.com
Website: http://www.nutemp.com 
 
 
 
O
Omega Engineering, Inc.
mailto:info@omega.com
Website: http://www.omega.com 
 
Owens Corning
Website: http://www.owenscorning.com 
 
 
 
P
Pace Scientific Inc.
mailto:info@pace-sci.com
Website: http://www.pace-sci.com
 
Palmer Instruments, Inc.
mailto:palmer@instrumentationgroup.com
http://www.palmerwahl.com/?igroupindex
 
Pameco Corp.
Website: www.pameco.com
 
Parker Hannifin Corp.
Website: http://www.parker.com 
 
Park Heating & Air Conditioning Supply
Website: http://www.parksupply.com 
 
Pearson Engineering
mailto:personeng@aol.com
http://www.pearsonengineering.com/
 
Pfeiffer Vacuum Technology
Website: http://www.pfeiffer-vacuum.com 
 
Plenums, Inc.
Website: http://www.plenums.com/
 
Process Development & 
Control, Inc.
Website: www.pdcvalve.com
 
Promax/Amprobe
mailto:prosales@promaxamprobe.com
Website: http://www.promax.com/
 
Q
Quincy Compressor, Coltec Industries
mailto:quincy.comp@industry.net
 
 
 
R
 
Rand Materials Handling Equipment Co., Inc.
Website: www.randmh.com
 
Raytek
mailto:pamela@raytek.com
Website: www.raytek.com 
 
Reading Body Works, Inc.
Website: http://www.readingbody.com/
 
Refrigeration Resources Co.
 
Refrigeration Sales Inc.
mailto:info@refsales.com
Website: www.refsales.com
 
Refrigeration Supplies Distributor - Total Control
mailto:support@rsd-tc.com
Website: http://www.totalcontrolproducts.com/
 
Refrigeration Technologies
mailto:info@refrigtech.com
Website: www.refrig.com
 
Refron
Website: http://www.refron.com 
 
R.E. Michel Co. Inc.
Website: http://www.remichel.com 
 
Research Products Corp.
Websites:
http://www.aprilaire.com/
http://www.perfectaire.com/
 
RetroAire, division of EMI
mailto:retroaire@enviromaster.com
Website: http://www.retroaire.com
 
Revcor Inc.
mailto:revcora@mcs.com
 
Rheem Manufacturing Co.
Website: http://www.rheemac.com
 
Rinnai America
mailto:sales@rinnaiamerica.com
http://www.rinnai.us/
 
Robur Corporation
E-mail: www.robur.com 
 
Ron Smith & Associates
mailto:ronsmith@mindspring.com
 
RSD ( Refrigeration Supplies Distributor) / Total Control
http://www.rsd.net/
 
Rubatex Corp.
mailto:rubatex@infi.net
Website: http://www.thomasnet.com/profile/20024550/rubatex-international-llc.html?cov=NA&what=rubatex
 
Ruskin Manufacturing
mailto:ruskin@ruskin.com
Website: http://www.ruskin.com
 
Ryan Instruments
http://read-out.net/ryaninst/
 
 
 
S
Sanuvox Technologies Inc.
mailto:info@sanuvox.com
Website: www.sanuvox.com
 
Schoen Engineering
mailto:schoenl.mbr@asme.org
 
SEHVAC
Website: http://www.elitesoft.com/
 
SEMCO Inc.
mailto:semco_aq@computerland.net
Website: http://www.semcoinc.com 
 
Selkirk
Phone: 1-800-992-8368
mailto:tim.rotheb@zurn.com
Website: http://selkirkinc.com/
 
Servidyne, Inc.
mailto:webmaster@servidyne.com
Website: http://www.servidyne.com/
 
Skil-Aire, Division of Tithe Corp.
Website: http://www.skil-aire.com/
 
Skuttle Indoor Air Quality Products
Website: http://www.skuttle.com 
 
Smith Fiberglass Products Inc.
http://www.smithfiberglass.com/
 
A.O. Smith Water Products Co.
Website: http://www.hotwater.com
 
Sojourn Systems Ltd.
mailto:suburban@sojourn.com
Website: http://www.dlii.com 
 
Solomat and Sterling IPC
mailto:104073.2202@compuserve.com
 
SpaceAge Control, Inc.
mailto:joycea@spaceagecontrol.com
Website: www.spaceagecontrol.com
 
Spectronics Corp.
mailto:uvuv@aol.com
 
Spirax Sarco, Inc.
E-mail: spirax-sarco.com
 
Spirotherm, Inc.
mailto:info@spirotherm.com
Website: http://www.spirotherm.com 
 
Spraying Systems Co.
Website: www.spray.com
 
Sprinkool International Inc.
mailto:sprinkool@aol.com
 
Staefa Control System Inc.
Website: http://www.staefa.com 
 
Standard Refrigeration Company
Website: http://www.stanref.com 
 
Stulz of North America
Website: http://www.stulz.com 
 
Sun Manufacturing
mailto:sunusa@sowega.net
 
Swagelok Companies
Website: http://www.swagelok.com 
 
SyncroFlo, Inc.
mailto:email@syncroflo.com
Website: http://www.syncroflo.com/ 
 
System Sensor, A Division of Pittway
Website: http://www.systemsensor.com 
 
 
 
T
Taco Inc.
Website: http://www.taco-hvac.com 
 
Tadiran Electronic Industries Appliance Division
mailto:info@tadcool.com
Website: http://www.tadcool.com 
 
Tek Limited
Website: www.tek-ltd.com
 
Tempstar
Website: www.tempstar.com
 
Thermal Gas Systems
mailto:103612.320@compuserve.com
 
Therm-O-Disc, Inc.
mailto:sales@thermodisc.com
Website: http://www.thermodisc.com 
 
The Trane Company
Website: http://www.trane.com 
 
TIF Instruments
mailto:tifadvertising@tif.com
Website: www.tif.com
 
Tiscor
Website: www.tiscor.com
 
Titon Inc.
Website: http://www.titon.com 
 
TITUS
mailto:titus@titus-hvac.com
Website: http://www.titus-hvac.com 
 
TOPP Construction Services Inc.
Website: http://www.etopp.com/
 
Tri-Went Industries Ltd.
Website: http://www.tri-went.com 
 
Trol-A-Temp
mailto:tazoning@aol.com
 
 
 
U
The Unico System
mailto:sales@unicosystem.com
Website: http://www.unicosystem.com
 
Utica Boilers
mailto:info@uticaboilers.com
Website: http://www.uticaboilers.com
 
 
 
V
Vac System Industries
mailto:sales@vacsystem.com
Website: www.vacsystem.com
 
Van Steenburgh Engineering 
Laboratories, Inc.
mailto:info@vansteenburghengr.com
Website: www.vansteenburghengr.com 
 
Valvcon Corp.
Website: http://www.valvcon.com/ 
 
 
 
W
Wahl Instruments, Inc.
E-mail: wahl@instrumentationgroup.com
http://www.palmerwahl.com/?igroupindex
 
Warm Air
Website: www.warmair.com
 
Warren Technology
mailto:davidh@warrenhvac.com
Website: http://www.warrenhvac.com/
 
Water & Energy Systems Corp.
mailto:carlo@tiac.net
Website: http://www.w-esco.com/
 
WaterFurnace International Corp.
Website: http://www.waterfurnace.com
 
Watlow Electric Manufacturing Co.
Website: http://www.watlow.com 
 
Weil-McLain
Website: http://www.weil-mclain.com/ 
 
Wolverine Tube, Inc.
mailto:mkt@wolverine.wlv.com
Website: http://www.wlv.com
 
WorldWide Associates L.L.C.
mailto:wwassoc@pathwaynet.com
Website: www.worldwideassociates.com
 
W.W. Grainger
Website: http://www.grainger.com 
 
W.W. Rothman Co.
mailto:DROTHMANN@AOL.COM
 
 
 
Y
Yokogawa Corp. of America
mailto:webmaster@yca.com
http://www.yokogawa.com/us/
 
York International Corp.
Website: http://www.york.com
 
Y/P Products
Website: http://www.yp-prod.com
 
 
 
Z
Zero Zone, Inc.
Website: http://www.zero-zone.com 
 
Z-Flex (U.S.) Inc.
mailto:z-flex@z-flex.com
 
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