1). esri's customer who have organization ID (international included)
https://transparentgov.net/json2tree/esri/hub/static/opendata-org-id-refined.html?file=opendata_refined_2017_to+2025_Mar26.zip&filter_by=
2). esri's customer who have organization ID (US only)
https://transparentgov.net/json2tree/esri/hub/static/opendata-org-id-refined.html?file=opendata_refined_us_only.zip&filter_by=
3). Slightly different esri's customer who have organization ID (international included)
https://transparentgov.net/json2tree/esri/hub/static/hub-org-id-refined.html?file=hub_refined_2017_to+2025_Mar26.zip&filter_by=
4). esri customer who has organization short name ( US only ). You can find their self hosted arcgis server and self hosted enterprise portal
https://transparentgov.net/json2tree/esri/hub/static/opendata-org-short-name-refined.html?file=opendata_org_short_name_refined_us_only_2855.zip&filter_by=