2000Charge
Aebill
AltoBilling
Authorize.net
Bill1st Gateway
Billing Revolution
BoaCompra
C2Bill
CardFlex
CCBill
CCBill Web900
Clearcard
Clearcard IDV
Click And Buy
CommerceGate
CurePay
DHD
DHDGateway
EGatePay
ElectraCash
eMerchant Pay Gateway
eMPPay.com
Epoch
EuroBill
EPGBill.com
Focal Payments
Gateway Tokens
Global Access
GlobalCharge
Global DPS
Greta 11 (G11Bill)
GTBill
GXBill
ICN Ltd.
Itelebill
Jettis International
Jettis International Gateway
LocalBilling
NETbilling
NETbilling Native
NetCash
Netpay International
NoCreditCard
OrbitalPay
Password By Phone
Pay900
Paygea
Payment Network
PayPal
Paysite Cash
Plug'n_Pay
RocketGate
RSBilling
RSBilling Native
SafeCharge
SafeCharge Native
Secure Billing Worldwide
Secure Billing Worldwide Gateway
SegPay
SOFORTdauerauftrag
Shopping Cart
StandardBill
Switching From Epoch to Epoch EU
TrustCharge
UKash
Vendo
Verotel Pro
VXSBill
WebBilling
WTS
WTSeu
Zombaio
ref :
http://wiki.toomuchmedia.com/index.php/NATS_Biller_List