VoIP Based Telecommunication Service in USA

I am looking for an investment to expand the existing business. We are in VoIP based telecommunication business in USA and have recently launched new type of services for USA, Canada and UK. We need investment to expand our Direct invert dialing business to all major countries around the world. The return in the business is great and VOIP industry is booming. We are looking for an investment of $150,000 against 10% ownership or we will buy back these share in $300,000. US laws allow non-us citizen to be an owner of the business. So, even if you approaching from outside US you can still be the owner in the company. Further detail can be furnished upon request.