Sales and Use Tax Providers and Solutions (Note, CSP denotes a certified service provider according to the Streamlined Sales Tax Governing Board.)

• AvaTax – Avalara – Review CSP
• CCH^® Sales Tax Compliance Services – Wolters Kluwer
• CCH^® Sales Tax Rates and Taxability Database – Wolters Kluwer
• CCH^® SureTax^® – Wolters Kluwer
• CFS Tax Software, Inc. – CFS Software
• ExactorSuite – acquired by Intuit CSP
• ONESOURCE Indirect Tax (formerly Sabrix Managed Tax Service) – Thomson Reuters
• TaxCloud – TaxCloud CSP
• TaxTools – AccurateTax.com CSP
• Sovos Sales and Use Tax – Vista Equity (IRIS) CSP
• Trustfile Sales & Use Tax Software – Trustfile
• Vertex Enterprise – Vertex (Jack Henry) 
• Capterra Sales Tax Software listings (watch the marketing efforts!)