Telstra
83.90Mhz
500.125Mhz
500.150Mhz

Air Services Aust. 
119.750Mhz
132.600Mhz
119.100Mhz CTAF
121.300Mhz FIS
125.800Mhz FIS

Ambulance 
76.250Mhz
76.670Mhz

A.J. Williams Group 
462.425Mhz

DNRE
71.615Mhz
161.375Mhz
Also listed but not confirmed for this Dept
161.275Mhz (Main)
161.3875Mhz (Go To 1)
161.2875Mhz (Go To 2)

Pioneer Concrete 
165.640Mhz

SES
468.600Mhz

CFA
161.075Mhz (Main - Channle 72)
161.1375Mhz (Goto 1 - Channle 73)
161.1750Mhz (Goto 2 - Channle 74)

CFA AIR 
131.450Mhz
135.550Mhz
126.350Mhz
128.900Mhz
161.2125Mhz

Police 
163.575Mhz
163.6375Mhz
163.875Mhz
163.9125Mhz
164.025MHZ
164.0375Mhz

Police Airwing 
131.600Mhz
123.100Mhz
123.200Mhz
135.200Mhz

GTV9 
491.675Mhz

Win TV 
74.210Mhz

Stawell Gold Mines 
162.575Mhz
162.850Mhz
169.300Mhz

V/Line 
419.650Mhz

Aunde Norwellan Textiles 
168.975Mhz

Stawell Taxis 
76.940Mhz

VenCorp 
467.125Mhz

Government State Radio Network 

Lookout Hill Site Near Ararat
164.09375
164.21250
164.43750
164.6500
1648750
165.0875 (Data control channel)

Mt. William Site (Grampians)
164.0625
164.150
164.2875
164.375
164.500
164.5875
164.64375
164.7125
164.8125
164.9375
165.025 (Data control channel)

One Tree Hill (Ararat)
164.175
164.400
164.6125
165.050 (Data control channel)

Police in Hamilton / Portland Region have also been heard on 164.000Mhz.

Many thanks to Craig for the information above.