Follow these steps found in their FAQ: http://subscriber.zoominfo.com/usercenter/index.php/pro-faq#removal or if you’re a daredevil, try the direct deletion link.
Otherwise, contact them: http://www.zoominfo.com/business/about/contact-us
URLS:
http://www.zoominfo.com/
http://www.zoominfo.com/lookupEmail
Valuable
Info.
Lucky Me I Found Your Web
Site
By Accident, And I’m
Shocked Why This Accident Did
Not
Happened Earlier! I Bookmarked It. SBOBET
Removal link is broken