AlternaDev
- http://www.alternadev.com/
- 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.
Avalara Sales Tax Software
- http://www.avalara.com
- State sales tax and use tax calculator for tax calculation, and address verification and validation for accounting software, such as Great Plains, ACCPAC, MAS 90 and MAS 200.
CCH Group
- http://tax.cchgroup.com/
- Offers general tax rates and forms by ZIP code, covering the United States, Territories, and Canada.
FormsPlus Software
- http://www.fpsoft.com/
- 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.
Independent Systems
- http://www.taxrates.com/
- Specializes in tax software and databases. Online internet sales tax rate query is available for direct or web based users.