Did you know you can export all your LinkedIn contacts' emails?
Click My Network, under your search bar
Click Settings (it's the little gear shape to the right)
Click Advanced Settings --> Export LinkedIn Connections
Choose format and Export
This data will include their First Name, Last Name, Email (usually personal), Company and Title.
Mind you, this is often their personal email, so use your discretion. You can always filter our the potential clients and add their email into a custom audience through Facebook if you want to get really clever.
Or have somebody like me reach out. I don't mind getting my hands dirty.
Dan Raaf, Digital Marketing Specialist and Social Media Director