Behring is a Terra-based weapons consortium, that outsources to a lot of designers and subsidiaries in order to be a one-stop shop for all defensive needs of their customers.
Behring manufactures guns, missiles, tanks, dropships, sentry drones, etc. mostly for the UEE but there are also civilian models. It's said of Behring that the consortium favor quantity of production over quality.
Popular models produced by Behring include a P4AR, a standard issue rifle for the UEE military, and a P4SC, a more compact and collapsible carbine version of P4AR.