NOOOOOOO stop it negative 200 points for @Chris_Conn for suggesting SQL edit… SIGH
@DaveOlender export the BAQ , change the extension of the exported file to .zip, open the zip file open in-there there are several files, DynamicQuery and DynamicQueryDesign file
open these with notepad++ replace the company in these files (everywhere) with the company you want
Save it
Re-Name the file back to .BAQ, and Import into Epicor.
DO NOT DO THIS IN PRODUCTION !