From a CMPros listserv post by the Product Manager for Vignette Portal, a list of all publicly-available Vignette-based portals:
BankOne (http://www.bankone.com/)
Bechtel (https://supplier.bechtel.com/)
Business Wire (http://home.businesswire.com/)
Chase (http://www.creditcardsatchase.com)
Ciminelli (http://www.ciminelli.net/)
Citibank (https://www.citibank.com.sg)
Caixa Galicia Portugal (http://www.caixagalicia.pt/)
CEO Sydney (http://www.ceo.syd.catholic.edu.au
City of Athens, Greece (http://www.cityofathens.gr
Claro Você (http://www.claro.com.br)
City University of New York (http://portal.cuny.edu)
Commonwealth of Massachusetts (http://www.mass.gov)
EDS (https://www.my-eds.com)
Expopage (http://www.expopage.net)
Fiera Milano (http://www.fieramilano.com)
FundsXpress (http://fxfn.com/fx/)
Georgia Technology Authority (http://www.georgia.gov)
GFI (http://www.gfigroup.com)
Hitachi Global Storage Technologies (http://www.hgst.com)
IEEE (http://www.ieee.org)
IHC.net (https://www.ihc.net)
Lesedi FM (http://www.lesedifm.co.za)
Merck Medicus (http://www.merckmedicus.com)
Merck Services (http://www.merckservices.com)
Merck Source (http://www.mercksource.com)
Metro FM (http://www.metrofm.co.za)
Mobitel end-customers site www.planet.si
Mobitel relaunched www.m-vrata.com
Nextel (http://developer.nextel.com)
Nike (https://www.nike.net)
NYC.gov (http://www.nyc.gov)
Optus (http://www.optus.com.au)
PricewaterhouseCoopers (http://www.pwcglobal.com)
Qwest (http://onetouch.qwest.com)
SABC 2 (http://www.sabc2.co.za)
SABC Africa (http://www.sabcafrica.co.za)
SABC Sport (http://www.sabcsport.co.za)
SABC (http://www.sabc.co.za
SaskTel (http://mysask.sympatico.ca)
Scotiabank (http://www.scotiabank.com)
Telenor (http://www.telenorsbc.com)
The Hartford (https://www.hartfordadvisor.com)
TXU Energy (http://www.txusmallbusiness.com)
University of Wisconsin – Madison (http://my.wisc.edu)
Verizon (http://netservices.verizon.net)
Vodafone (http://www.vodafone.com.mt)
Volkswagen Autostadt Pressedatenbank (http://press.autostadt.de)
World Trade Center Association (http://www.wtca.org)
Wyeth Vaccins.be Preventie – Prévention (http://www.vaccins.be)