“Always”, Hyper? I think both Les Ros and Kin Khao make their own red curry (and other pastes and jams) and they have shrimp paste in them and are pretty darn good and authentic.
BTW Mae Ploy is for when you get really desperate at home. It is not great. I brought some pastes back from Bangkok years ago and they lasted a long long time (still have some, but not red or green). So, I guess I will have to get up to Roong jing jing and lunch at the fiery excellent Laotian places in San Pablo (like Rose Garden, which also does Thai, but haven’t tried that).