Sounds like it could be an auto service shop or parts warehouse.
I don't see Castle Honda listed under this frequency, but there
are odd cases where users don't show up in TAFL though they are
not in the "super-secret" category; not sure why.
I used to try to identify TGs on trunked systems by recoding a day
or so of time-compressed activity using Scan Rec. Even so, it was
difficult to positively ID many of them as the clues as to identity were
usually vague; sometimes stated locations helped, but few companies
use their name on the air. Because of the shelf life of some of these
IDs and time/effort I mostly stopped doing this, with the odd exception.
I believe the HP-1 records voice, and possibly some others; ScanRec
is free but needs a computer running.
Dave