WST vs TSEM Comparison

West Pharmaceutical Services is based in Pennsylvania 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), nonglass 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.

Tower Semiconductor Ltd is a pure-play specialty foundry that manufactures semiconductors. As a pure-play foundry, it focuses on producing integrated circuits (ICs) based on the design specifications of customers. The company's line of integrated circuits is incorporated into markets, including consumer electronics, personal computers, communications, automotive, and industrial and medical device products. It produces ICs alongside wholly-owned subsidiaries through fabrication facilities located in Japan. The company has a geographical presence in the USA, Japan, Asia (other than Japan), and Europe.