Free Antivirus for Corporate Commercial and Business

We all know that every software have a license agreements, it must be understood by everyone. Like a free antivirus software usually  just be used at home, not for commercial or business. 

okay, let's we understand some license agreements of free antivirus that usually we used at home.

AVG
"AVG Anti-Virus Free Edition is for private, non-commercial, single home computer use only. The use of AVG Anti-Virus Free Edition within any organization or for commercial purposes is strictly prohibited. AVG Anti-Virus Free Edition absolutely not for use with any type of OEM bundling with SW, HW component or any service" http://free.avg.com 

Avast!
"avast! Free Antivirus is only for personal and non-commercial use." http://www.avast.com 

Avira
"Avira AntiVir Personal is available free of charge, for private users, so it is available only for private, non-commercial use." http://www.avira.com 

okay, but don't worry because there is still other antivirus.

i just find the best free antivirus that can be used for commercial or business.

it is  Comodo Internet Security.

in the frequent question's tab from  http://www.comodo.com , it's wrote:

-Is it free for business users too?
-Yes. However, enterprises looking to implement Internet Security on large networks of workstations would benefit from the centralized management capabilities of Comodo Endpoint Security Manager (CESM).

So, for us that have no enough money for buy license software can take an easy step to build a corporate from small to be bigger and be the best biggest with the best free security software.