Looking for Sier as Asterisk Alliance Partner

Hello,

We are one of big Japanese internet company.

We developed new telephony product and we are looking for sier, expecially for Asterisk, PBX, CTI in US.
We prefer small subcontractor companies.

Our target market is same as Avaya, Genesys.

Please let me know if you are interested or, if you know good sier.