Class 07 is a manufacturer of Firearms.
You need some one with an import designation, which would be 08 or 11.
Know Which Type Of Federal Firearms License Yo Need - FFL License
However, any dealer can do it if they know which forms to use. Finding one that will do it is another issue.
Firearms - Frequently Asked Questions - Importing & Exporting | ATF
If the rifles are already in state, then any dealer can do the transfer, nothing special needed.