GFI vs ZTS Comparison

Gold Fields Ltd is a producer of gold and is a holder of gold reserves and resources in South Africa, Ghana, Australia and Peru. In Peru, the company also produces copper. The company is involved in underground and surface gold and surface copper mining and silver and related activities, including exploration, extraction, processing and smelting. It conducts underground and surface mining operations at St. Ives, underground-only operations at Agnew, Granny Smith and South Deep and surface-only open pit mining at Damang, Tarkwa and Cerro Corona. The company's revenues are derived from the sale of gold that it produces.

Zoetis sells anti-infectives, vaccines, parasiticides, diagnostics, and other health products for animals. The firm earns roughly 35% of total revenue from production animals (cattle, pigs, poultry, and so on) and nearly 65% from companion animal (dogs, horses, cats) products. Its USA business is skewed even more heavily toward companion animals, while its international business is slightly skewed toward production animals. The firm has the largest market share in the industry and was previously Pfizer's animal health unit.