Teva pharmaceuticals are responsible for selling generic Clonazepam medication to people. You can get the brand drug from Roche pharmaceuticals. Results 1 - 12 of 12 - Best Generic Klonopin - Topics (Showing results 1 - 12 of 12) Generic I've been told the manufacturer (Roche) has it on backorder. The generic Clonazepam is manufactured by 87 companies. Medindia's drug directory has currently Brands of Clonazepam listed. New generics and.