How to identify the names of the organizations of site visitors through API Analytics?

Question

API

Good afternoon! There is a task to introduce a module into the enterprise analytics system that will show the names of companies whose employees visited the site in the b2b segment, and then transfer this data to crm. Roughly speaking, the functionality of such a service https://www.leadfeeder.com/
What data from the analytics can be used to set up such identification? The fact that then you need to connect with the Linkedin API is omitted for now ...
Thanks for the help!