EBPP and EIPP

Electronic Billing and Invoicing. For Secure Document Delivery see also Digital Signatures

eBilling.org
Electronic Payment and Presentment Resource
http://www.ebilling.org/

CEBP, Council for Electronic Billing and Payment Forum
http://cebp.nacha.org/

Webbased Billing Services

Billeo EBPP, Payment
http://www.billeo.com/

BPAY
Bill Payments (Australia)
http://www.bpay.com/

Blinksale Billing
http://www.blinksale.com/

Cashboard
Invoicing, Online Payment Receipt
http://www.getcashboard.com/

FreshBooks Billing
http://www.freshbooks.com/

MyCheckFree.com EBPP, Payment
http://www.mycheckfree.com/

PaySimple
EBPP, Online Payment, Direct Debit
http://www.paysimple.com/

Paytrust
Bill Management, Payment
http://www.paytrust.com/

Secure eBill Payment by Online Banking
http://www.secure-ebill.com/

SimplyBill
http://www.simplybill.com/

StatusFactory
Bill Management, Payment
http://www.statusfactory.com/

ACI Worldwide
Document Delivery, Payment Services
http://www.aciworldwide.com/

CheckFree
http://www.checkfree.com/

Harbor Payments
EBPP, EIPP, Payment Solutions
http://www.harborpayments.com/

Inovium
Billing, Payment Solution
http://www.inovium.com/

Intarsys
eBilling Solutions, Digital Signatures
http://www.intarsys.de/

Metavante
E-Billing, Payment, Accounting
http://www.metavante.com/

Montax Billing Solutions
http://www.montax.com/

Orga Systems Billing Solutions
http://www.orga-systems.com/

PayNet Swiss
http://www.paynet.ch/

Yodlee
Billing, Financial Solutions
http://www.yodlee.com/