TTR, The Tax Research Company, provides everything sales, use, and transaction tax-related. Access to tax laws, a best-in-cla ... ss research system, the most accurate tax rates, and taxability rules available anywhere; with thousands of companies and counting, TTR has become a “best practice” in the area of sales, use, and transaction tax. TTR also provides software solutions for companies and governments. TTR’s revolutionary Artificial Intelligence Enabled Exemption Certificate Management System (ECMS) and proprietary nationwide GIS Tax Rate System allow businesses and governments to Get Tax Right. read more