Zip2Tax, LLC - Sales and use tax rates for the United States and Canada. Sales Tax Clearinghouse - Offering online state sales tax returns. Independent Systems - Specializes in tax software and databases. Online internet sales tax rate query is available for direct or web based users. Kamp Data DynamicZip - Provides sales tax calculations and creates and maintains sales tax schedules for all United States jurisdictions. Electronic Sales and Use Tax, Inc. - Sales Tax filing software for California and Florida. Tax Data Systems - Sells sales and use tax databases for the United States. CCH Group - Offers general tax rates and forms by ZIP code, covering the United States, Territories, and Canada. Front Row Systems, Inc. - Sales and use tax management software providing a full range of sales tax automation features. Avalara Sales Tax Software - 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. AccurateTax.com - Software provides sales tax rates, reporting and remittance capabilities. Dynamic Tax Solutions, Inc. - Transaction tax outsourcing solution to Fortune 1000 and middle market companies. Tax Data Systems, Inc. - Address validation and sales tax rates via a web service FedTax.net - Nationwide sales tax information web service. NeoVerus, Inc. - Saas/On-demand Sales and Use Tax solutions. TRS Holdings, Inc. - IRS certified service provider to file heavy vehicle use tax form 2290 electronically Avior Data - Offers a fully-automated tax compliance software service for distributors in alcohol, fuels, and tobacco industries. Sale-Tax.com - Index of US sales tax rates by city.