Perrigo Company plc is an American international manufacturer of private label over-the-counter pharmaceuticals. The company’s shares are traded on the NYSE and the Tel Aviv Stock Exchange; as a result of the merger with Agis Industries the company is a constituent of the TA-25 Index. Perrigo is the only non-Israeli company on the TA-25. Perrigo Company plc, through its wholly owned subsidiaries, engages in the manufacture and sale of consumer healthcare products, generic prescription drugs, active pharmaceutical ingredients (API), and consumer products primarily in the United States, Australia, Israel, Europe, India and Mexico. The L. Perrigo Company was founded in 1887 in Allegan, Michigan, by Luther and Charles Perrigo, who ran a country general store . In 1991 Perrigo had an Initial public offering on NASDAQ.