corporate income tax with multi-state corporation

I'm running a software license company in overseas.
(all the sales and transaction is perfromed in the country)
For some problems with technical support to my clients in the States,
I am thinking to setup a management and tech support center in
Virginia.

Since VA imposes corporate income tax, I am thinking to setup an
corporation in NV only for receiving payments(all credit card)
and VA corporation receives management fee from NV for tech supports
and marketing.

Overall management and operation will be conducted in VA company.
to make the concept clear:

corporation A: overseas company which is currently operating and
sells
software licenses
corporation B: Nevada company which will only accept payments and
pays
some amounts to C as
management fees.
corporation C: Virginia company
Management of B(separate entity)
online and phone marketing
tech support(no charge) to US customers

Sales process will be like this:
1. an US customer visits a webpage of A and makes an order.
2. B processes credit card transaction and A emails software license
to the customer.
3. C provides techanical supports of the license installation.

if i setup company structre in this way, i wonder if i can LEGIALLY
save corporate income tax in the US.

i'v heard that google and MS are saving corporate income taxes by
setting up an Ireland corporations and all the payments to the
company
is transacted in Ireland.

.