As far as I know NRG eVgo is in California, Georgia, Illinois, Maryland, Tennessee, Texas and Virginia.
For Plugshare, under "Legend" in the upper right, click "More Options" -- this will bring up "Settings". Un-check everything but "SAE Combo DCFC".
Nissan and ChaDeMo had a 4 year head start, it will take some time for CCS to catch up. But I think with BMW making the fast charging standard equipment on the i3 starting with the 2015 model year, there will (hopefully) be a big push on their part. They said they will make an announcement next week at the Detroit auto show regarding this.