I wonder why sales is being discussed on an engineering forum (some one's gonna object

) Anyway, this is my domain and is some activity I do day in and out. So here is what I will do-
1. Try to find out more about the company/the 'biggie' and whether they really need your product.
2. Make a small study on how the product will be beneficial to the company.
3. Once done, call the office, pretend to be a high profile guy to the receptionist. (You can say you wish to talk about the new mega deal with the 'biggie')
4. Get the call transferred to the biggie, introduce yourself and the product, impress by using the knowledge you gathered about the company and ask for a meeting.
Now if you get a meeting, if your product and your convincing skills are good, you will be able to sell it.