1500pt Amored Company. This done right?

[mccaptain]

I realized the other day that between myself and my brother's old guard stuff I had all of these tanks. I looked up the armored company stuff and realized I could put together an army. It look legit?

HQ:
Vanquisher
-LC HBx2
-Hunter Killer
-Extra Armor

Elite:
Exterminator
-x3HB

Troop:
Leman Russ x4
-x4 Hull Mounted HB

Heavy Support:
Demolisher
-LC/PCx2

Basilisk x2