Arbinet-thexchange, Inc.
   International spot market and exchange for wholesale voice minutes. Includes membership registration information.
   http://www.arbinet.com/

Fiber Optics Online
   A vertical marketplace including buyer's guide, jobs, ads, and product and services exchange.
   http://www.fiberopticsonline.com/

Iber-X
   International telecom exchange. Includes registration information and contacts. [English/Spanish]
   http://www.iber-x.com/

PCB Marketplace
   Trading platform for unfinished PCBs. Developers and equipping companies are able to create production orders. Manufacturers are able to submit offers for these requests for quotation.
   http://www.pcb-broker.com/

Phonetrade
   Mobile phone trading portal and exchange. Includes registration information and an escrow system.
   http://www.phonetrade.com/

RF Globalnet
   Vertical exchange for the RF/microwave, and wireless industry. Includes registration information and news.
   http://www.rfglobalnet.com/

Telecom Finders
   Marketplace for new, refurbished and used telecom equipment.
   http://www.telecomfinders.com/

TelecomsTrader
   Telephony industry forum for buying, selling or discussing IVR, VoIP, CTI, Internet and Computer Telephony.
   http://www.telecomstrader.com/