Hubspot Insights Industry Field / NAICS Code

What data source does Hubspot use for the industry field of company records? Does it use the NAICS code?  I find that most of the company's we create end up with virtually none of the Hubspot Insights field filled automatically.

HubSpot updates
2 Replies
New Contributor

Can someone at Hubspot please answer this? Thanks. 

Occasional Contributor

Yes please someone at HubSpot please reply