Avertran (Avertran.com is available) - name inspired by the word "avert"

24tify (24tify.com is available) - 24 hour fortified protection

4tress Elite (4tressElite.com is available) - The name is creative and fortress denotes a heavily protected and impenetrable building

Fortvantage (Fortvantage.com is available)

Armisage (Armisage.com is available) - Armisage' combines the words "armis" (armor in latin) and "sage" (wisdom)