Somewhere out there, for every person who has done business with you, there are maybe ten others who could or would, but aren’t because of several reasons:
They haven’t heard of you.
They don’t understand what you can do for them.
They didn’t need you when you approached them in the past, but they do now.
They aren’t aware of the advantages you offer over your competitors.
The aren’t aware of the need for your services, and the potential benefits of working with you.
What are you doing today to keep in touch and enlighten them?