WST vs CSL 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.

Carlisle Companies Inc is a holding company. The company manufactures and sells single-ply roofing products and warranted systems and accessories for the commercial building industry. The company is organized into two segments including Carlisle Construction Materials and Carlisle Weatherproofing Technologies. The company's product portfolio includes moisture protection products, protective roofing underlayments, integrated air and vapor barriers, spray polyurethane foam and coating systems, and others. The majority of the company's revenue comes from the Carlisle Construction Materials segment, and more than half of the total revenue is earned in the United States.