Martin Marietta Materials, Inc. is a leading construction materials producer based in the United States. With an ESG score of 27.7, the company is rated as a medium-risk investment. Specializing in construction aggregates, Martin Marietta sold 199 million tons in 2023, serving key markets in Texas, Colorado, North Carolina, Georgia, and Florida. In addition to aggregates, the company also produces cement, asphalt, ready-mixed concrete, and magnesia-based chemical products.