International
General
Advertising & Media
ARBOmedia
AdOutlet.com
BuyMedia.com
Optimad.com
Onemediaplace.com
Red Hot Connect.com
Agriculture
DTN ag1.com
Agdeal.com
Agdomain.com
AgInfoNet.com
Agmarket.com
Agriculture online
Agropool.com
Agweb.com
Bestfarmbuys.com
CattleSale.com
Farms.com
DirectAG.com
Emergeinteractive.com
Farmbid.com
Farmsource.com
FarmWorld.com
Floraplex.com
Grainex.net
Hayexchange.com
ICE Corp.com
Netseeds.com
Ostriches On Line
U.S.AGRIBuy..com
XSAg.com
Automotive
Autocentral.com
Autodaq.com
Autotradecenter.com
Autovia.net
Auto-Xchange.com
bbcn
Cobaltgroup.com
Covisint.com
Fast-Net
Just-Auto.com
Motor Place .com
Partsdriver.com
Tiredex.com
TradeXchange.com
Truck.net
Trucklink.com
Vipar.com
Aviation
AviationX.com
Aeroxchange.com
Airparts.com
TradeAir.com
Aerospace online
AviaBid.com
AvaitionZone.net
Avsupport online
Cordiem.com
PartsBase.com
Chemicals and Plastics
20Tons.com
Adhesives and Sealants online
Bioresearch online
BioSpace.com
BioSpace - supplies
BioSupplyNet.com
Bulkpage.com
ChemACX.com
Chemarket.com
CheMatch.com
Chemafrica.com
Chemconnect.com
Chemical online
Cheop.de
ChemWeb.com
CPCN - China Pharmaceutical Chemical Network
Drug discovery online
LabEqwip.com
Laboratory network
Labsupply.com
Paint and coatings.com
Plastics Mall.coml
PlasticsNet.com
Plasticx Universe.com
Polymer eXchange.com
PolySort.com
RecyTrade - EuPC Plastics Recycling market
Rubber Room.com
SciQuest.com
Ventro
Commodities
Merkant.com
Building and Construction
Bidcom
Bricsnet.com
Build.com
Buildingonline.com
BuildPoint.com
Buildscape 
Buildtrade.net
UDA
GO Controls.com
Directories
Alibaba.com
B2B Today
ecommUSA.com
Eu-Supply.com
Kompass.com
VerticalNet
Electronic Components
ACG Online Auction Club
ChipCenter.com
Electronic Engineering.com
Embedded Technology.com
Free Trade Zone
Memory Network.com
Need2Buy.com
Phototonics Online
Questlink.com
RF Globalnet.com
Semiconductor Online.com
Sourcewireless.com
TheBarCodeBroker.com
USBid.com
Virtual Chip Exchange.com
Wireless Design Online
Energy
Altra.com
APX.com
CTG.com
e-ChoiceNet.com
E&M Energy Auktion
E&M-Energy MyPrice
E&M Pool Your Power
Enermetrix.com
HoustonStreet.com
NetworkOil.com
pennNET.com
Global Coal.com
Environment
Green Online .com
EnviroXchange.com
Pollution Online
Ragn-Sells råvarubörs
RecycleNet
Financial
401KEXCHANGE.com
CFOWeb.com
ChannelPoint.com
Companyfinance.com
IMX Exchange.com
Flowers
Floraplex
Food
Agribuys.com
Bakery Online
Berry Bros. & Rudd
BevAccess.com
Beverage Online.com
Buyproduce.com
ChateauNet
Dairy Network Online
EcFood.com
Efdex.com
efoodmanager
e-markets.com
eSkye.com
FoodBourse
FoodBuy.com
FoodGalaxy.com
FoodOnline.com
Foodservice.com
Food Trader.com
GoFish.com
Gotradeseafood.com
Grozer.com
Instill
Just-Food.com
OnlineProduce.net
PecanEx
PEFA.com
Produce for sale.com
Produce Online.com
RestaurangNET
Criticalart.com
The BevNET.com
FBIX
Food Manufacture
vfm.net
Wine.com
WorldCatch.com
Worldoffruit.com
Forestry
e-Wood.com
FurnDex.com
Mediaforest
SCA Woodshop.com
Timber-Exchange.com
TIMBERWeb.com
TITAN
Woodmarket
WoodNet - la filière en bois en Belgique
Worldwidewood.com
Wood World.com
Glass
House of Glass
Healthcare
Allegiance
BioMedNet
Drugmax
e-dental.com
Healthcare Co-op
AdvaMed
Home Health Provider.com
Hospital Network
I-many.com
Long Term Care Provider.com
MedB2B
Medibuy.com
Medicalbuyer.com
Medical Device Link
Medical Design Online
Medical EquipNet
Medical & Help Equipment
Medical Resourses
MedicalSuppliesUsa.com
Medindex Electronic
Mediway.Net
MedMarket.com
Medsite.com
Medpool.com
Neoforma.com
nurses.com
Omnicell.com
SpecialtyMD
Pharmaceutical online
Hospitality
e-hospitality.com
passkey.com
Industrial
Endorsia.com
Factory Technologies
IT
Ace-quote.com
AtYourOffice.com
cangetit.com
Contractpartner
Digital Broadcasting.com
Earthweb.com
ECpart.com
EC online.com
Embedded Technology.com
Hyporium
IngramMicro
Insight
Integral
ITnetwork.com
Konsultmarknaden
Logit all
MarketFusion.com
NuAspect
PDF Store
Converge Redirect
TechRepublic.com
Teksell.com
TheBarCodeBroker.com
webPRN.com
Wireless Network Online
Zone  Trader.com
DCI
TechnologyNet.com
Webpackaging.com
Janitorial
janport.com
Metals
Aluminium.com
BM Exchange
e-STEEL.com
ForgeFinder.com
Machine net
MaterialNet.com
Metal Shopper.com
Metal Suppliers Online
MetalWorld.com
Surface finishing
Steelsales.com
Steelscreen.com
Steel Trade.com
Minerals
Gems, Rocks and Minerals
MRO-MRO
FindMRO.com
Office.com
SiteStuff.com
Paper
Accesspaper.com
ACF
eFibre.com
Fibermarket.com
Fobpaper.com
goNPTA.com
PaperExchange.com
Paperhub
Paper Fiber
PaperX.com
pponline.com
Pulp and Paper Online
Pulpex
Printing
58K.com
Area323.com
Bookwire.com
Ctrlp.com
Diamond & Caspers Web Auctions
Dotprint
FlexoExchange.com
Go-yoyo.com
Graphicnet
Httprint.com
Optimad.com
Impresss.com
Imprimerie-Online.com
Noosh
OnlineDruckBörse
Outputlinks
Ozeprint.com
Printbid.com
Printing-market.com
Printeralliance.com
Printeurope.com
Printmarket.com
PrintNation.com
Printoffer.com
PrintOn
PrintPoint.no
Print.Quote
PrintQuoteUSA
Security
ClearStar Security Network
Sports
Sportretail.com
Telecommunication
ACE.com 
Acequote
Arbinet thexchange
Band-X.com
Cable-broadband
callcenterbiz.com
Clec.com
DCI webtradecenter
Digital broadcasting.com
BroadbandInfo.com
FixedWirelessBiz.com
InterXion.com
Min-X.com
OpticalNetBiz.com
Phonetrade.com
RateXchange.com
RF Globalnet.com
SatCap.com
TelecomAuction.com
TelecomIT.com
TheIPsite.com
Universal Access
webPRN.com
Wireless Design Online
Wireless networks online
Textiles
ClickTex.com
etexx.com
Fashionnet.se
InfoMat.com
i-textile.com
Moda
Textile Fiber Space
TextileSolutions.com
Tradeweave.com
Transportation
Arzoon
BestCarriers.com
BestShippers.com
BestTransport.com
Cargo4less.com
Bid Freight.com
Cargonow.com
CarrierPoint.com
Celarix.com
Delego.com
eLogistics.com
eTransport.com
GF-X.com
Global Freight Market
IATN.com
Logistics.com
Logistic-servicses-buyers-guide
Net-Trans
nPassage.com
SeaNet
SpocaNet.com
Teleroute.com
The Intermodal Exchange
GT Nexus
Translinx.com
Transportation.com
USFreightways.com
Waytrack.com
Wine
ChateauNet
Others
Acteva.com
Alibris.com
AOW
Atrada Trading Network
Barter Trust
bid4real
Bid The World
All Business
BizBuyer.com
BizBuySell
BizWiz
BuyReman.com
ComAuction.com
CommerceHub.com
ConvertingResource
DoveBid
eB2B.com
ECEurope.com
emerge.com
GalleryRow.com
HomeBid.com
Icon
Korea OK
Latin Trade.com
Leathernet
LoopNet
LuxuryHomes-Estates.com
Market4retail
MySourcingCenter
Polygon
PropertyandCasualty
PDF Store
Public Works Online
SupplierMarket.com
Surplex.com
Surplus Asset Management
Testbid.com
Thaimarket.net
Toynetwork
VetMedCenter
yet2.com