Electronic Filing for Combined Filing Corporate Income 2023 Approved Providers

  • Providers are submitting their information for this page.
  • Please revisit this page for updated information.
  • Corptax, Inc.
  • Website
  • Phone: 1-800-966-1639
  • Thomson Reuters – CS Professional Suite
  • Website
  • Phone: 1-800-968-0600
  • Thomson Reuters – Gosystem/OneSource
  • Website Email
  • Phone: 1-734-356-5814
  • Wolters Kluwer Tax and Accounting
  • Website
  • Phone: 1-800-739-9998
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