Advanced Infosystems: Offers recurrent, electronic, utility billing (EBPP) and document viewing.ComTec, Inc.: Offers automated bill processing and printing, and data management consulting.EZ Receivables.com: Electronic bill presentation and payment portal for the B2B market.Multicards Internet Billing: Provides billing services to businesses worldwide with or without a merchant account.Payebill.com: Provides services to implement e-billing solutions for corporations.