Below are a list of mobile commerce (mCommerce or M-Commerce) platforms / shopping carts that turned up in some of my Google searches.

No guarantees that this list is accurate or complete. However, could be a helpful starting point if you’re conducting research.

3dcart.com
asknet.com
aspdotnetstorefront.com
authorize.net
BigCommerce.com
boku.com
cartartamerica.com
catchytech.com
demandware.com
destinationCRM.com
digby.com
endeca.com
fireflymobile.com
firethornmobile.com
globalbay.com
hyperwallet.com
icongo.com
infogain.com
konakart.com
MadMobile.com
MerchantAnywhere.com
mobi-cart.com
mobisystems.com
mobius-ecommerce.com
mocapay.com
mozeo.com
mporia.com
mshopper.com
neowave.com.my
nexternal.com
obopay.com
openwave.com
oxygen8.com
PocketGear.com
punchkickinteractive.com
qualitymobilevideo.com
quantumweb.co.uk
secureshoppingcart.net
shopgate.com
shoptext.com
stampede.com
unboundcommerce.com
volusion.com
xfactormm.com
zoovy.com
zubibu.com