AlternaDev
- Sales and Use Tax Compliance services and software. AlternaDev manages tax compliance with our branded software AlternaTax, which automates the returns process to save time and money.
- http://www.alternadev.com/

CORPSales
- Sales and use tax compliance software from CORPTAX.
- http://www.corptax.com/www/SalesUse.nsf/Documents/corpsales

Avalara Sales Tax 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

Front Row Systems, Inc.
- Sales and use tax management software providing a full range of sales tax automation features.
- http://www.frontrowsystems.com

CCH Group
- Offers general tax rates and forms by ZIP code, covering the United States, Territories, and Canada.
- http://tax.cchgroup.com/

Tax Data Systems
- Sells sales and use tax databases for the United States.
- http://www.taxdatasystems.com/

SalesTax-Pro
- California sales tax preparation that integrates with QuickBooks data. Offered in English or Spanish.
- http://www.salestax-pro.com/

California Zip Tax
- California sales tax, BOE, and preparation software program.
- http://www.caziptax.com/

California Sales and Use Tax efiling
- Online system to efile California Sales and Use Tax returns, available in English and Spanish.
- http://www.efilesalestax.com/

Kamp Data DynamicZip
- Provides sales tax calculations and creates and maintains sales tax schedules for all United States jurisdictions.
- http://www.kampdata.com/

Aptax ZipTax
- Windows-based sales tax preparation software for the state of California.
- http://www.ziptax.com/

Sabrix, Inc.
- Provider of TaxBay, a global transaction tax calculation and management software package.
- http://www.sabrix.com/

Taxware International
- Provide solutions for Sales, Use, and Consumer's Use taxes as well as worldwide VAT.
- http://www.taxware.com/

Independent Systems
- Specializes in tax software and databases. Online internet sales tax rate query is available for direct or web based users.
- http://www.taxrates.com/

Sales Tax Clearinghouse
- Offering online state sales tax returns.
- http://thestc.com/

FormsPlus Software
- State sales tax software providers for Florida, Georgia, South Carolina, Tennessee and Georgia Property Tax. Specialize in sales and use tax filing, payroll forms and W2 and 1099 federal reporting software.
- http://www.fpsoft.com/