WST vs IFF Comparison

West Pharmaceutical Services is based in Pennsylvania, US, and is a key supplier to firms in the pharmaceutical, biotechnology, and generic drug industries. West sells elastomer-based packaging components (including stoppers, seals, and plungers), non-glass containment solutions, and auto-injectors for injectable drugs, which include large molecule biologics, peptides such as GLP-1 receptor agonists, and small molecule drugs. The company reports in two segments: proprietary products (about 80% of total revenue) and contract-manufactured products (about 20% of total revenue). It generates approximately 55% of its revenue from international markets and 45% from the United States.

International Flavors & Fragrances is the largest specialty ingredients producer globally. The company sells ingredients for the food, beverage, health, household goods, personal care, and pharmaceutical industries. The company makes proprietary formulations, partnering with customers to deliver custom solutions. The nourish segment, which generates roughly half of revenue, is a leading flavor producer and also sell texturants, plant-based proteins, and other ingredients. The health and biosciences business, which generates around one fourth of revenue, is a global leader in probiotics and enzymes. IFF is also one of the leading fragrance producers in the world.