They are popping up everywhere and their 95 is cheap.
The one in Paihia I used a couple weeks back and the lady had a mobil card, inside was mobil oils and on their website they list Mobile fuel safety information.
I paid $1.82 for 95, which is the minimum for my car, sick of paying BP/Caltex pricings and not all Mobils stock 95.
She said the supplier is transfuel or something, I cant remember the name..... dont quote me. She told me a bit about their history and where they are from (west cost NI). I say go small fuel retailer go, If its 95 RON then they have my business.