You're a known quantity to them. Your friendship list will be your biggest ally in your search for new employment. Sales Leads USA allows you to select lists online. Get your hands on them and don't let go. If they're affordable, buy your own directories so you can mark them and reuse them.
Some directories are free.
Buy them if you will need them often. Borrow expensive directories from the library. Copying names and titles from the library is the worst-case scenario because it's slow and boring. I have a filing cabinet full of them. Ken publishes directories of executive search firms by industry, functional specialty, and geographic location.