32536AA00: _ MI TM (UTAH)(STRAT SIGINT)
32536AB00: _ MI TM (OCMC)(STRAT SIGINT)
32536AC00: _ MI TM (DET A)(STRAT SIGINT)
https://www.marines.mil/Portals/1/Publications/MCRP%202-10A.1%20Formerly%20MCWP%202-22.pdf?ver=2017-10-10-091729-693
Search: Table 2-1. Marine Support Battalion Companies.
It's outdated but gives you at least company level locations.
I'm pretty sure UTAH means the new NSA site in Utah.
If that's correct, then OCMC points to Quantico.
DET A is definitely Detachment Alpha. Maybe WH?