You can contact a partner here.
https://appsource.microsoft.com/en-us/marketplace/partner-dir?filter=products%3DWindows%3Bservices%3DLicensing%3Bsort%3D0%3BpageSize%3D18%3BonlyThisCountry%3Dtrue%3Bcountry%3Dus%3Bradius%3D100%3Blocname%3DUnited%2520States
More info here
https://download.microsoft.com/download/1/F/5/1F5357DD-F7C8-4CC8-8C5F-7F6B1569ECF0/Transactional_Licensing_Comparison_Chart.pdf
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