Here are some key points on the largest EV charging networks in the US, as cited from MakeUseOf:
ChargePoint is the largest EV charging network in the US with over 100,000 charging ports.
Electrify America has over 650 charging stations and plans to build 3,500 charging stations by the end of 2021.
EVgo has over 1,200 charging stations with fast charging capabilities.
Blink Charging has over 15,000 charging stations with a strong presence in commercial and residential locations.
Tesla's Supercharger network has over 25,000 charging stalls across North America.