Here's what I have:
CONVENTIONAL (2 licenses to "Aegis Group Inc."):
KNHS530
155.175
155.760/153.995 this was the old Denmark Viking Ambulance channel years ago
WPPV653
153.110/157.485 DPL 365
SIREN
County Rescue land ambulances heard on Brown County Fire channels, radio ID's are 57310XX's for portables, 57315XX's for mobiles
WISCOM
unlike most other med helo's, they don't appear to have an assigned channel on WISCOM
OTHER
I have heard Eagle 3 on the Outagamie-Winnebago talkgroup for MARC2 doing LZ coordination. Eagle 3 had a RID of 0, so I'm guessing it was patched in from 151.280