The map is definitely missing a bunch.
-Arnold's Wildlife Rehab Center, FL
-Branson's Promised Land Zoo and/or Eureka Springs Safari, MO
-Carson Springs, FL
-Cohanzick Zoo, NJ
-Great Cats World Park, OR
-Hawk Creek Wildlife Center, NY
-Indian Creek Zoo, MI
-Kirshner Wildlife Foundation, CA
-Nature Park at Shell Factory, FL
-Panther Ridge Conservation Center, FL
-Twin Pine Farm & Exotics, SC
-Wild Cat Education & Conservation Fund, CA
Greater Wynnewood (Joe Exotic), Jo-Don Farms, and Wildlife In Need (Tim Stark) all had fishing cats going into 2020, not sure where any of their animals ended up.
Forest Park and Mill Mountain no longer hold the species. Not sure if Nemacolin does or not.