Per your request, we have identified 20 additional utility companies operating in the US. We have completed the attached spreadsheet with the names, websites and customer count for the identified water utility firms. Below are some of our findings:
Anchorage Water & Wastewater Utility is owned and operated by the city of Anchorage. It currently serves 55,000 people.
The Amador Water Agency is privately owned and currently serves 10,000 people.
American States Water Company is privately owned and currently serves 246,000 people.