WcDuComb works with the top manufacturers in the market.  Feel free to check them our for yourself!

MANUFACTURER WEBSITE
ABC MURRAY SPROCKETS  
AETNA www.aetnabearing.com
ALEMITE www.alemite.com
ALLIED LOCKE www.alliedlocke.com
ALPINE www.alpinebearing.com
ALTRA www.altramotion.com
AMI www.amibearings.com
ASAHI www.asahibearing.com/home.htm
AURORA www.aurorabearing.com/index.html
AUTOGUARD www.autogard.com/
AVENTICS www.aventics.com
BALDOR RELIANCE www.baldor.com/
BARDEN www.bardenbearings.com
BELDEN UNIVERSAL www.beldenuniversal.com
BERLISS www.berliss.com/
BISHOP-WISECARVER www.bwc.com/
B-LOC www.fennerdrives.com/
BODINE www.bodine-electric.com/
BOSTON www.bostongear.com/
BOWER  
BRAD FOOTE www.bwen.com/BradFoote_8679.aspx
BRENCO www.amstedrail.com/
BREWTON www.biwinc.net/
BUNTING www.buntingbearings.com/index.html
CARTER www.carterbearings.com/
CENTRYCO www.centryco.com/
CHANTLAND www.chantlandpulley.com/index.html
CHICAGO RAWHIDE www.skf.com/
CIRCULAR MOTION www.cmidlers.com
CLIMAX www.climaxmetal.com/
CONE DRIVE www.conedrive.com/
CONGRESS www.congressdrives.com/index.html
CONSOLIDATED www.consbrgs.com/
COOPER BEARING www.cooperbearings.com/
CQM www.skf.com/group/splash/index.html
CR SEALS www.skf.com/group/splash/index.html
CRAFT BEARING www.craftbearing.com/
CRC www.crcindustries.com/globalhome/
CURTIS www.curtisuniversal.com/
DAIDO www.daidocorp.com/
DALTON www.daltongear.com/
DAVID BROWN www.davidbrown.com/
DEUBLIN www.deublin.com/
DEVCON www.devcon.com/
DICHTOMATIK TCM www.catalog.dichtomatik.us/
DODGE www.dodge-pt.com/
DORRIS GEAR DRIVES www.dorrisco.com/
DOUGLAS www.douglasmanufacturing.com/
DRIVES INC www.drivesllc.com/
DUFF NORTON www.duffnorton.com/
ELBE www.elbe-group.de/
ELECTRA GEAR www.grovegear.com/
FAG www.fag.com/
FALK www.rexnord.com
FEDERAL MOGUL www.federalmogul.com/
FENNER MANHEIM www.fennerdrives.com/
FHY BEARINGS www.fyhbearings.com/html/home.html
FOOTEJONES www.footejones.com/
FORMSPRAG www.formsprag.com/
GARLOCK www.garlock.com/en/
GATES www.gates.com
GENERAL BEARING www.generalbearing.com/
GL HUYETT www.huyett.com/
GMN BEARING www.gmnbt.com
GORTITE www.gortite.com/
GROVE www.grovegear.com/
HITACHI www.hitmax.com
HEIM www.rbcbearings.com/
HELICAL www.heli-cal.com/cm/Home.html
HELIX www.helixlinear.com
HFH  
HI-LIGHT www.hi-light.com.tw/
HKK www.hkkchain.com/
HUB CITY www.hubcityinc.com/
IBI  
IGUS www.igus.com/default.asp?c=us&L=en
IKO www.ikont.com/
INA www.inausa.com/
INVERTEK www.invertekdrives.com
IPTCI www.iptci.com/
IRR www.truarc.com
ISOSTATIC www.isostatic.com/index.html
JASON BELTING www.jasonindustrial.com/
JEFFEREY www.renoldjeffrey.com/
JOHNS MANSVILLE www.manvillerubber.com/
JONES BEARING www.jonesbearing.com/
KABELSCHLEPP www.kabelschlepp.com
KAYDON www.kaydonbearings.com/
KEYSTONE LUBRICANTS www.keystonelubricants.com/
KILIAN www.kilianbearings.com/
KOPFLEX www.emersonindustrial.com/
KOYO www.koyousa.com/
KTR www.ktr.com
LEE CONTROLS www.leelinear.com/
LEESON www.leeson.com/
LINEAR ROTARY BEARINGS www.linearrotarybearings.com
LINKBELT www.rexnord.com/
LINN GEAR www.linngear.com/
LINCOLN www.lincolnindustrial.com/
LOVEJOY www.lovejoy-inc.com/
LUBESITE www.lubesite.com
MAK-A-KEY  
MARTIN www.martinsprocket.com/
MASKA www.maskapulleys.com/
MASTER POWER TRANSMISSION www.master-pt.com/
MAUREY www.maurey.com/
MAYR www.mayr.com/
MBL www.mitsuboshi.co.jp/english/
MECTROL www.gatesmectrol.com
MICRO POLY www.phymet.com
MIETHER BEARING www.meither.com
MOLINE www.molinebearing.com/
MPI www.mechanicalpower.net/
MRC www.skf.com/group/splash/index.html
NACHI http://www.nachi.com/
NATIONAL SEALS www.timken.com/en-us/Pages/Home.aspx
NB www.nbcorporation.com/
NILOS www.skf.com/binary/12-111147/950-710-Nilos_08.pdf
NOOK www.nookindustries.com/
NORD DRIVESYSTEMS www.nord.com/
NSK www.nskamericas.com/
NUTALL GEAR www.nuttallgear.com
OSBORN www.loadrunners.com/
OVERLY HAUTZ www.overlyhautz.com/
PACIFIC BEARING www.pbclinear.com/
PCI www.pcimfg.com/
PEER BEARINGS www.peerbearing.com/index.html
PEER CHAIN www.peerchain.com/index.html
PERMATEX www.permatex.com/
PHYMET www.phymet.com
POLY HI SOLIDUR www.quadrantplastics.com/na-en/home.html
PRECISION PULLEYS www.ppipella.com/
PT INTERNATIONAL www.ptintl.com/
RAMSEY www.ramseychain.com/
RANDALL BEARING www.randallbearings.com/
RBC www.rbcbearings.com/
RBI www.rbibearing.com/bearings/
RELIANCE ELECTRICAL www.baldor.com/
RENOLD JEFFEREY www.renoldjeffrey.com/home/Home.asp
REXNORD www.rexnord.com/Pages/Home.aspx
RINGFEDER www.ringfeder.com/
RIT BEARING www.ritbearing.com/
ROLL ON www.rollon.com/usa/rollon.htm
ROLLWAY www.emersonindustrial.com/
ROTEK www.rotek-inc.com/
RULAND www.ruland.com/
SAGINAW www.cignys.com/
SCHAEFFLER GROUP www.schaeffler-group.com/
SCHATZ www.schatzbearing.com/
SEW EURODRIVE www.seweurodrive.com/
SIERBATH www.lovejoy-inc.com/
SKF LINEAR www.skf.com/
SKF SEALS www.skf.com/
SMALLEY www.smalley.com/
SMITH BEARING www.smithbearing.com/
SST www.sstbearingcorp.com/
STAFFORD www.staffordmfg.com/
STANDARD LOCKNUT www.stdlocknut.com/
STEARNS bdsbearing.com/
STEANS-STAFFORD www.bdsbearing.com/stearnsstafford/
STERLING ELECTRIC www.sterlingelectric.com/
SUMITOMO www.sumitomodrive.com/
SUPERIOR IDLERS www.superior-ind.com/
TAPERLINE www.taperline.com/index.html
TB WOODS www.tbwoods.com/
TCM SEALS catalog.dichtomatik.us/
TEXTRON www.textronpt.com/
THOMSON LINEAR www.thomsonlinear.com
TIMKEN SEALING SOLUTIONS www.http://www.timken.com/en-us/products/seals/Pages/default.aspx
TORONTO GEAR www.torontogear.com/
UNI CHAIN www.unichains.com/
UNION CHAIN www.ustsubaki.com/
UST www.ustsubaki.com/
VAN GORP www.vangorp.biz/
VAN ZEELAND www.vzmsprockets.com/
VIBRA-TITE www.vibra-tite.com/
WARNER www.warnernet.com/
WELKER www.welkerbearing.com/
WHITTET-HIGGINS www.whittet-higgins.com/
WINFRED BERG www.wmberg.com/
WINSMITH www.winsmith.com/
ZERO MAX www.zero-max.com/
ZVL-ZKL BEARING www.zklbearings.com/