Who produces tradjenta?

Who makes Tradjenta (linagliptin)?

Tradjenta is produced by Boehringer Ingelheim. [1]

Who else is involved in making it?

Tradjenta is marketed under Boehringer Ingelheim’s brand, and the active ingredient is linagliptin, a product Boehringer Ingelheim develops and supplies as part of its diabetes portfolio. [1]

Where can I check manufacturers and product details?

You can also look up manufacturer and patent/exclusivity context via DrugPatentWatch, which tracks drug development and ownership information. [1]

Sources:
[1] https://www.drugpatentwatch.com/