Abacus Tax Software
Professional tax preparation and filing applications.
http://www.abacustaxsoftware.com/

Advanced Technologies Support Group, Inc.
Provides a variety of services for companies reporting 1099, W-2, and other payments to the IRS.
http://www.atsgi.com

Advantax PTR
Property tax management software for compliance, reporting, and management of corporate property tax information.
http://www.advantaxsoftware.com/

Alpine Data, Inc.
Offers software for professional tax preparation and asset management.
http://www.tax-pack.com/

ATX Forms
Provides software and forms solutions for tax professionals.
http://www.atxforms.com

BNA Software
Features a popular line of tax automation products designed for corporate and public tax professionals.
http://www.bnasoftware.com/

Cantax
Provides technical support and product information for Cantax personal, professional, and corporate tax software.
http://www.cantax.com/

CFS Income Tax
Software for tax professionals.
http://www.taxtools.com

Comtax AB
Specializes in computer-based simulation techniques to identify optimal cross-border tax planning strategies.
http://www.comtaxit.com/

Convey Compliance Systems, Inc.
Offering 1099 information reporting software. Meets IRS requirements for all 1099, 1098, 5498, W-2G and W-2 tax filings. Multiple platforms available.
http://www.1099convey.com/

CORPTax
Suite of corporate tax software products from Deloitte & Touche.
http://www.corptax.com/

CPC Software Solutions, Inc.
Creators of client-server fund accounting and tax billing software for government and nonprofit entities.
http://www.cpc-software.com/

CrossBorder Solutions
Developer of transfer pricing software for use in international tax planning within multinational corporations and tax service providers.
http://www.xbsolutions.com/

daTax Software AS
Specializes in personal economy and tax programs for Norway.
http://www.datax.no/

Digita
Tax software for Windows 95.
http://www.digita.com/

Direct Tax
Pvoviding in scrivice for facilitated in tax payment.
http://www.directax.com

DJI Computer Solutions
Applications for tracking golf handicaps and statistics. Also offers applications for taxes and checkbook management.
http://www.djicomputer.com/

DPC Computers, Inc.
Sales and use tax compliance software.
http://www.salestax.com/

Dr Tax
Professional Canadian tax preparation and efile software in both English and French, with client management.
http://www.drtax.ca/

eDocSolutions
ENable! software digitally stores, validates, and manages sales tax resale and exemption certificates.
http://www.edocsolutions.com/

Electronic Filing Service, Inc.
Provides professional and individual income tax preparation software with integrated electronic filing via the Internet.
http://www.efs.com/

ePropertyTax
Property tax application service provider that allows individuals to file, research, pay, and appeal taxes through the Internet.
http://www.epropertytax.com/

eSmart Payroll
Manage payroll, W4, W2, 1099-misc, 941, and much more.
http://www.esmartpayroll.com/

Global Operations & Administration Ltd
Provides withholding tax software and outsourcing services to financial institutions and corporates world wide.
http://www.goalgroup.com/

Greatland Corporation
Advanced business solutions for the tax and accounting, mortgage, and financial industries. Also provides online tax filing services.
http://www.greatland.com/

Independent Systems
Developers and marketers of sales and use and payroll tax software specializing in IBM midrange and personal computer platforms.
http://www.taxrates.com/

LamSon Technology
Tax software from personal to professional series with electronic filing options available.
http://www.lamsontech.com

Lifo Systems, Inc.
Helps businesses of all sizes increase working capital.
http://www.lifosystems.com/

LTtax
Creators of The Payroll Withholding and Unemployment Tax System.
http://www.payrolltax.com/

MicroSolve
Offering software for local governments to assess property values and maintain property databases.
http://www.microsolvecama.com

Nelco
Offers tax and accounting products, electronic forms development, electronic tax filing, business check writing, government services, and web site development.
http://www.nelcoinc.com/

NTS Communications
Electronic tax filer software.
http://www.ntslink.com/

Saxon Tax Software
Software for Florida and Federal returns.
http://www.saxtax.com

SCS/Compute
Develops tax, accounting, and sales and use tax software for the accounting professional.
http://www.csisolutions.com/

SuperForm Tax Forms
Provider of nearly 8,000 tax and related forms.
http://www.stf.com/

Tax Compliance, Inc.
Produces Property Tax Management System (PTMS), a completely automated personal property tax compliance software system.
http://www.taxcomp.com/

Tax Titan Technologies
Offers an online research tool for mutual fund tax information including percentages of U.S. obligations, municipal interest by state, and more.
http://www.taxtitan.com/

Taxsoft
Java-based tax return software.
http://www.taxsoft.com

Taxware International, Inc.
Provide solutions for sales, use, and consumer's use taxes as well as worldwide VAT.
http://www.taxware.com/

TaxWebNZ
Online tax return preparation software that provides printouts in an IRD approved format.
http://www.taxweb.co.nz

Total Tax Office
Tax software packages for professionals. From Kleinrock and ATX.
http://www.atxforms.com/

Vertex Inc
Offers tax compliance software along with news and information on property, state and local, telecommunications, and business taxes.
http://www.vertexinc.com/

VisiCraft Systems
Offers custom-built property tax software.
http://www.visicraftsystems.com/

Account Ability
Offers software that prepares Information Returns (1099, 1098, W2G, 5498) and Annual Wage Reports (W2, W2C) electronically and on plain paper.
http://www.idmsinc.com/

Sales and Use Tax Compliance Software
State sales tax and use tax calculator for tax calculation, and address verification & validation for accounting software, such as Great Plains, ACCPAC, MAS 90 and MAS 200
http://www.avalara.com/