After some digging, here's what I have:
I have these figures MOC:
Barbecue (v5)
Bench-Press
Snow Serpent (v10)
Deep Six (v8)
Duke (v33)
G.I. Joe Pit Commando
Hawk (v4)
Baroness (v14)
Crimson Neo-Viper
Desert-Viper
Eel (v5)
Elite-Viper
Ice-Viper (v3)
Nano-Viper
Red Fang Ninja
Viper Commando (v23)
Loose:
Night Adder
Firefly (v20) (I have to double check)
I also have other figures from ROC MOC, not on your list, not sure if you are interested in them.
Para-Viper
Zartan (v17)
Shipwreck (v14)
Cover Girl (v2)
Sgt. Stone
Rex "The Doctor" Lewis
Ripcord (v3)
Agent Helix
Charbroil
Anthony "Flash" Gambino
Snake-eyes (v48)
Kamakura (v5)
Also, for the army builders are you interested in more than one? I might have a few extra of some of them. Let me know.
Thanks.