Certainly a lead gen website would help with a strong call to action.

LinkedIN would be a good source of leads as well.

Dont discount using Direct Mail to get your message accross

Even though it is a little costly, the most powerful way is to send your direct mail piece via FEDEX or DHL

This way - the gatekeeper wont open it. And it makes a big impact to the decision maker (your target prospect)

Hope that helps!