Caterpillar Inc. (CAT) vs Merck & Co., Inc. (MRK)

Caterpillar Inc. is the world’s leading manufacturer of construction and mining equipment, off-highway diesel and natural gas engines, industrial gas turbines, and diesel-electric locomotives. The company reports results across Construction Industries, Resource Industries, and Energy & Transportation, with market share nearing 20% in many product categories. Caterpillar also operates a captive finance subsidiary that helps support equipment sales. Its business has a broad global footprint, with revenue roughly balanced between the United States and international markets. The construction segment is more heavily weighted toward the domestic market, while the other divisions are more geographically diversified. An independent dealer network of more than 150 dealers runs approximately 2,800 locations, extending Caterpillar’s sales and service presence to about 190 countries.

Merck & Co., Inc. develops pharmaceutical products across multiple therapeutic areas, including cardiometabolic disorders, oncology, and infectious diseases. In cancer treatment, its immuno-oncology portfolio, led by Keytruda, represents a significant driver of total revenue. The company also maintains a strong vaccines business focused on preventing pediatric illnesses, alongside Gardasil for human papillomavirus. In addition, Merck markets animal health products. Geographically, 47% of the company’s sales come from its U.S. human health segment, which includes pharmaceuticals and vaccines.