Ability Software, Inc.  www.abilitysoftwareinc.com Offers add-on software for Medisoft including a dealer's toolkit and file repair.

Accountis  www.accountis.com Offers an online invoicing service that integrates with accounting software to allow clients to send out branded invoices.

Account&See Invoicing  www.account-n-see.com A solution which creates invoices, accounts receivables, and credit notes. Handles all sales ledger accounting requirements. Based in the United Kingdom.

AdvancedMD Billing Software  www.advancedmd.com Developers of web-based medical practice billing software.

Aris Software, Inc.  www.arisinc.com Suite of customer care, billing, POS, and financial software for the wireless telecommunications industry.

Asplen Management  www.asplen.co.uk Offers open source billing, payment collection and customer management solutions for Internet related businesses and service industries.

Bankoi Web Billing  www.billing-software.ws Offers online billing application for time and usage based billing.

BestBill  www.bestbill.com Offers outsourced billing service for generating paper or electronic bills.

Better Programs, Inc.  www.betterprograms.com Offers a leased accounting software solution.

BillingOrchard  www.billingorchard.com Offers an online billing application for freelance developers, web design firms, and contract employees. Features free trial and contact information.

BlueGill Technologies  www.bluegill.com Offers electronic bill presentment software.

Both Worlds Software  www.imaginetime.com ImagineTime software for accountants, consultants and professionals.

BQE Software  www.billquick.com Provides billing and management software solutions for architects, engineers, attorneys, and other service professional.

BroadSource  www.broadsource.com Offering telecom management software and electronic billing for medium to large businesses. Features screenshots and support details.

CG Invoicer  www.cginvoicer.com Invoicing and billing software for Windows and Macintosh. Includes online demonstration, download and pricing.

Cobite  www.cobite.com Offers online billing software. Includes product information, brochures and whitepapers.

ComArch  www.comarch.com An international software house and systems integrator that provides billing systems to telecos.

CPqD  www.cpqdusa.com Offers OSS system that handles rating, invoicing and collections.

CSG Systems  www.csgsystems.com Offers CRM, account management and billing software to communication industries.

CTI Group  www.ctigroup.com Developer of convergent billing systems that support wireline, mobile, broadband and Internet communications, as well as energy and utilities billing.

e-Bills  www.asplen.co.uk/billing An web-enabled billing application using PHP and MySQL. Contains downloads and application information.

ezBackOffice  www.ezbackoffice.com Offers software for deduction and credit management.

Ezy Invoice 3000  www.ezysoft-dev.com Offers software to create invoices, quotes, credit notes, and other business documents. Includes screenshots and demo.

Factor Systems  www.factorsystems.com Developer of CompleteInvoicing software, which automates invoicing for small businesses.

Fastlink Software  www.fastlinksoftware.com Offers a web based system for billing wholesale telecommunications traffic.

Figure it Out  www.figureitout.net Offers invoice reconciliation software. Includes demo download.

Formula Telecom Solutions  www.fts-soft.com Offers an engineered billing system with CRM, revenue collection, interconnected prepaid and postpaid applications.

Gestix  www.gestix.com Billing and customer management software for various UNIX variants.

Hansen Technologies  www.hsntech.com Developers of convergent billing software for the utilities and telecommunications industries. Also provides outsourcing and facilities management services.

Harbor Payments  www.harborpayments.com Provides enterprise invoice and payment management infrastructure and business-to-business financial services.

Highland Lakes Software  www.hlsw.com Telecommunications billing and customer care software provider. FAQ, customers, company history, news and events and employment opportunities.

Horse Cents 2000  www.hcsc.biz Billing software for horse farms and stables.

Info Directions  www.infodirections.com Provides web-enabled rating, billing, and customer management solutions.

InfoCABLYS  www.infocablys.com Provider of Pro-Cable, a convergent customer management and billing software for pay TV, CATV and Internet companies.

InfoDEN  www.infoden.com.au Australian based developer of PABX telephone call accounting and billing software.

Invoice It!  www.scrambled-card.com Invoicing and cash-book accounting for small business.

The Invoice Store  www.softstore.net A complete invoicing, pos and customer tracking software product.

Kalat Software, Inc.  www.kalat.com Offers software which enables real-time provisioning, billing and management of web-based services.

kBilling  www.k-billing.com Featuring product description, demonstration download, pricing, screenshots and contact information.

LHS  www.lhs-systems.com Provides prepaid, postpaid and convergent customer care and billing systems for the telecommunications industry.

M & R Technologies, Inc.  www.mrtec.com Offers inventory and billing software for Windows.

Macrologic, Inc.  www.macrologic.com Offers billing services and products for the telecom industry. Includes company profile, product listing and contact details.

Metratech  www.metratech.com Developer offers a licensed and hosted XML web services billing software. Includes data sheets and directions to locations.

Metropolis Technologies  www.metropolis.com Offering call accounting and billing systems for hotels, resorts and convention centers.

Microbe Engineering  www.microbx.com Offers telephone management and accounting software for the hotel and health care industry. Based in Botswana.

On-Q Software  www.on-qsoftware.com Manufacturers a variety of different billing software solutions that run on Windows and PDAs.

Paradigm Research  www.p-rd.com Manufactures billing software for the telecom market.

PayPerCall.com  www.paypercall.com Provider of 900 and 800 number automated billing solutions.

PbxTools PhoneJournal  www.pbxtools.com Offers call accounting software. Features screenshots, demo downloads and FAQ.

PractiCount and Invoice  www.practiline.com A word counting and invoicing solution for freelance writers and translators. Features, news, support, and order online.

Pre1  www.pre1.com SmartPublisher is a billing software package for magazine and newspaper publishers.

Probill  www.probill.com Security and alarm billing software for Windows 3.1.

PS Software Solutions  www.psss.com Integrated accounting and billing solution designed for architects and engineers.

Quantum Generation  www.quantumgen.com Malaysian developer billing and debt management software. Features downloads and contact information.

Reimbursement Services  www.hmebillingsolutions.com Offers home medical equipment billing services and software.

Resource Software International  www.telecost.com Offering call accounting, hotel billing and telephone reporting for businesses.

Responsive Time Logger  www.responsivesoftware.com Shareware time and billing tool for consultants, lawyers and engineers. Runs on Palm OS.

RMS Telecommunications  www.rms-telecomms.com Offers real-time call accounting software for universities, hotels, or any organization that has a PBX capable of generating SMDR data.

RVS Software  www.rvssoftware.com Developer offers programs and tools for municipalities and utilities. Includes screenshots, FAQ and product tour.

Ryder Systems  www.rydersystems.com Offers billing and call analysis software for telecom companies.

Sigma Software Solutions  www.sigmasoft.ca Provides customer care and billing solutions to the telco industry. Billing solutions provide support for voice, data and video through a licensed software or a hosted ASP solution.

SoftAid Management Systems  www.soft-aid.com Offers a line of billing software for the medical industry. Headquarters based in Miami, Florida.

Swastik Infotech  www.siplnet.com Indian company offers call billing software that runs on a variety of different platforms.

Synergist Ltd.  www.synergist.co.uk Professional services automation system incorporating project management, costing, billing and front office automation. Available for both Macintosh and Windows.

Tenant Mail  www.tenantmail.com Automated invoicing system for the rental industry.

TimePro Legal Software  www.timepro.com Time and cost billing software for law firms.

Timewatch  www.timewatch.com Provides companies with time recording, time tracking and timesheet entry, billing, scheduling and project management solutions.

TimeWise Software  www.timewise.net Time and billing software for organizations of up to eight people. Runs on Windows and Macintosh.

Unicorn Business Support System  www.ushacomm.com Performance monitoring analysis for telecommunications featuring billing and customer care software solutions.

Velosant  www.velosant.com Offers billing and management software for large businesses.

Zafin Labs  www.zafinlabs.com Provides software products targeted towards revenue generation and recognition with focus in banking, finance, securities, insurance and telecommunications.