The company's major customers include Bayer, Bristol-Myers Squibb, GlaxoSmithKline, Haleon, Novo Nordisk, Moderna, Pfizer, and Sarepta Therapeutics.

[2] In 1996, Cardinal Health acquired PCI of Philadelphia, Pennsylvania, a pharmaceutical contract packing service for commercial and clinical packaging.

[5][6][7] In 1999, Cardinal Health acquired Automatic Liquid Packaging of Woodstock, Illinois, thereby entering the sterile product market with blow fill seal technology.

[8] In January 2001, Cardinal Health acquired International Processing Corporation, a company that was renowned for its expertise in oral modified-release dosage form development and manufacturing, for $40 million.

[12] In April 2007, the pharmaceutical technologies and services segment of Cardinal Health was acquired by affiliates of the The Blackstone Group and re-branded as Catalent Pharma Solutions.

[7][17] In March 2013, Catalent continued the global expansion of its Softgel capabilities through a joint venture with Zhejiang Jaing Yuan Tang Biotechnology, a China-based company, and Relthy Laboratories in Brazil.

The investment includes new Zydis lines; changes to facilities in Swindon, UK; and a custom suite for commercial equipment.

[28] In September 2018, Catalent partnered with GB Sciences to develop a cannabinoid-derived medicine for Parkinson's disease utilizing the Zydis delivery method.