Mallinckrodt

Mallinckrodt Pharmaceuticals plc is an Irish-American manufacturer of specialty pharmaceuticals, generic drugs and imaging agents.
In 2017, it had 5,500 employees and sales of $3.2 billion, of which $2.9 billion was from the U.S. healthcare system.
On August 1, 2025, it was announced that the firm had merged its operations with those of Endo.