EDIT -
The answer to my query is as follows:
In order for ZoomInfo to learn more about your company, be sure that your corporate web site includes a few descriptive text paragraphs describing what the company does, with the name of the company as the subject of key sentences, and a copyright notice at the bottom of the page. Once this is completed, you can submit your corporate homepage via email to
sitesubmit@zoominfo.com.