Lannett Co Inc develops, manufactures, packages, markets, and distributes generic versions of brand pharmaceutical products. It offers solid oral, extended-release, topical, nasal, and oral solution finished dosage forms of drugs that address a range of therapeutic areas, as well as ophthalmic, patch, foam, buccal, sublingual, soft gel, and injectable dosages. In addition, the company also provides its products for various medical indications comprising glaucoma, gastrointestinal, migraine, obesity, respiratory and others. It operates in the segment of generic pharmaceuticals. Its customers include generic pharmaceutical distributors, drug wholesalers, chain drug stores, private label distributors, mail-order pharmacies, and others.