New answers tagged people-search
You could add the Company AD property to the import from AD into the User Profiles and then create a scope based on that attribute. Any attribute will work for creating the scope but I have found Company works well in scenarios like yours.
Navigate to the people search results Click on site actions Click on edit page Edit the People Search Core results web part Expand the Results Query options section Enter the text WorkEmail:”*org1.com” in Append Text to query Click ok Save & close the page Publish the page
Top 50 recent answers are included