This from Bill Smaha:
E-35: 2005 E-One Typhoon
E-35R: 1995 Pierce Saber
A-35: 2015 Ford F-450 with Horton Conversion
Utility vehicle (housed at 35)
E36: 1996 Pierce Saber
A36: 2015 Ford F450 with Horton Conversion
A36R: 2005 Ford E350 with MedTec Conversion
BC vehicle (housed at 36)