Sumble
Sumble provides account intelligence data, enabling sales teams to do deep research. Use it to better inform your targeting and outreach.

Find the right accounts, contact, message, and time to sell
Whether you're looking to get your foot in the door, find the right person to talk to, or close the deal — accurate, detailed, trustworthy, and timely information about the organization you're selling to is invaluable. Find it with Sumble.about:
Sumble | Sumble Docs

Not used myself yet. Does look like a nifty tool.