1. Army of Italy 1805-1807

Guard:

1 Grenadier Regiment: 2 Bttns, 1 Velite Bttn
1 Chasseur Regiment: 2 Bttns, 1 Velite Bttn
4 Honour Guard Companies (cavalry)
1 Horse Battery
2 Guard Dragoon Squadrons@ 2 Companies@ 60 mounted Dragoons
40 Foot Dragoons

Line:

6 Line Infantry Regiments@ 2 Bttns@ 10 companies@ 80-123 men
3 Light Regiments@ 2 Bttns@ 9 companies@ 80-123 men
1 Dalmatian Regiment: 2 Bttns
1 Istrian Battalion
2 Dragoon Regiments@ 4 Squadrons@ 160 men?
2 Chasseur Cheval Regiments@ 4 Sqns@ 160 men
13 Foot Batteries@ 6 guns & 2 howitzers, most 6pdrs, few 12pdrs
6 Horse Batteries@ 6x 4pdr guns
1 Sapper Battalion
3 Gendarmerie Regiments@ 8 companies

2. Italian Army in Italy 1808-1809

2x DHQ
4 Line Infantry Regiments@ 2 Bttns
2 Light Infantry Regiments@ 3 Bttns
1 Guard Velite Battalion
2 Chasseurs Cheval Regiments
2 Foot Batteries
1 Horse Battery

3. Army of Italy 1809-1811

Royal Guard:

1 Grenadier Regiment: 1 Grenadier Bttn: 5 companies
1 Carabinier Bttn: 5 companies
1 Velite Bttn
1 Chasseur Regiment: 2 Bttns, 1 Velite Bttn
4 Honour Guard Companies (cavalry): 290 men
1 Horse Battery
2 Guard Dragoon Regiments@ 2 companies@ 60 mounted, 40 foot

Line:

7 Infantry Regiments
3 Light Regiments
1 Dalmatian Infantry Regiment: 4 Bttns
The Dalmatian Legion: 4 Bttns
The Istrian Chasseur Bttn (1809 only)
Sedentary Bttn in Venice: 9 companies
2 Dragoon Regiments
2 Chasseur Cheval Regiments
26 Foot and 6 Horse Batteries with 120 guns in total
2 Sapper Battalions
3 Gendarmerie Regiments@ 8 Companies
5 Reserve Infantry Regiments
1 Provincial Chasseur Cheval Regiment: 500 men

4. Army of Italy 1812

Guard:

1 Grenadier Regiment: 2 Bttns, 1180 men, 2x 6pdr
1 Velite Regiment: 2 Bttns@ 6 coys, 600 men, 2x 6pdr
1 Conscript Guard Regiment: 2 Bttns, 1120 men, 2x 6pdr
2 more Bttns (in Italy)
1 Dragoon Regiment: 2 Squadrons, 410 men
5 Honour Guards Companies@ 58 men
1 Foot Battery: 6x 6pdr guns, 2x 5pdr howitzers
1 Horse Battery: 4x 6pdr guns, 2x 5pdr howitzers
1 Marine Battalion: 102+ men

Line:

7 Line Regiments@ 4 Bttns, 1 depot Bttn@ 4 fusilier, 1 Grenadier, 1 Voltigeur coys
2x 3pdr guns, 2770-2980 men in 4 bttns
4 Light Infantry Regiments@ 4 Bttns, 1 depot Bttn@
4 Chasseur 1 Carabinier 1 Voltigeur coys
2x 3pdr guns, 3120 men in 4 bttns
Dalmatian Legion: 3 Bttns, 1 depot Bttn@
4 Chasseur 1 Carabinier 1 Voltigeur coys
2x 3pdr guns, 1740 men in 3 bttns
Venice Garrison: 2 Bttns, 1 foot battery
Garde de Milan Bttn
2 Dragoon Regiments@ 4 Sqns, 650 men
4 Chasseur Cheval Regiments@ 640 men, 4 Sqns
# Foot Batteries (3 Bttns): at least 2 bttys@ 6x 12pdr
# Horse Batteries (1 Reg):
1 Sapper/Miner Battalion: 2 Miner, 7 Sapper Coys@ 41-84+ men
1 Colonial Battalion: 3 Fusilier companies (penal unit)
1 Veteran Battalion: 3 companies
Pontonier Company: 77 men
8 Coast Guard Companies

5. Army of Italy 1813

1 Division (in Germany)
1st Brigade: 4 Line Regiments@ 1 Bttn
2nd Brigade: 1 Light Regiment: 2 Bttns, and 1 Bttn Milan Guard
1 Corps (in Italy)
2 Divisions@ 11-12 Bttns
1 Cavalry Division: 4 Regiments@ 3 Squadrons
1 Reserve Division: 3 Guard Bttns

7. Notes

a) Line Battalions in 1805-07 have 7 Fusilier, 1 Voltigeur & 2 Grenadier companies.
b) In 1812 an Infantry Division has 5 regiments, 1 Foot & 1 Horse Btty, 1 Sapper coy.