We have a prepping group that meets here in Central FL each month that fits your description. I suggest you visit ‘meetup.com’ and do a search on the word ‘survival’ and/or ‘prepping’ - there may be a group in your area.
” there may be a group in your area. “
Keep in mind the hard-learned axiom of Resistance movements —
“In a group consisting of three persons, the odds are even that one of them is an informer...”
Not necessarily a good idea given that DHS probably does the same thing.