GFI vs MLM 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.

Martin Marietta Materials is one of the United States' largest producer of construction aggregates (crushed stone, sand, and gravel). In 2024, Martin Marietta sold 191 million tons of aggregates. Martin Marietta's most important markets include Texas, North Carolina, Colorado, California, and Georgia, accounting for most of its sales. The company also uses its aggregates in its asphalt and ready-mixed concrete businesses. Martin's magnesia specialties business produces magnesia-based chemical products and dolomitic lime.