Bill Correctors
Telecommunications/IT bill management, order desk, invoice review and optimization. Focus on mid-sized businesses.
http://www.billcorrectors.com

Audit-Tel
Bill verification, invoice management and general telecommunications consulting services.
http://www.audit-tel.net

Open Business Exchange
OB10,runs the OB10 global e-Invoicing network. OB10 enables companies to perform electronic invoicing, einvoicing, e-invoicing, EIPP, web invoicing, and on-line invoicing, thereby reducing costs in Accounts Payable and Shared Services.
http://www.ob10.com/

DataDrillers
DataDrillers' popular telecom audit service provides advanced analysis and straightforward guidance for telecom expense reduction – for better than contingency-based pricing.
http://www.datadrillers.com

Account-A-Bill, Inc.
Virtual assistant and virtual bookkeeper offering all virtual services and specializing in medical and nursing home billing.
http://www.accountabill.com/

City Invoice Finance
Provides factoring, invoice discounting and related services.
http://www.city-inv.com/index.htm

Documation
Document management and eProcess solutions provider in the UK. Specialising in invoice management and electronic invoice authorisation
http://www.documation.co.uk/

Invoice Insight
Invoice Insight provides Telecom cost management solutions and telecom consulting to help companies achieve an overall telecom cost reduction
http://invoiceinsight.com

Bill Pay Software
BillPay, Inc. - The Complete Business Software for Bill Payment Centers
http://billpayinc.com

Bill Power
Bill Power - time and billing (invoice, accounting) software for Microsoft Office and Outlook,Lotus Organizer,and Symantec Act!
http://www.studio848.com/billpow.htm