martin marietta, an american company and a member of the s&p 500 index, is a leading supplier of aggregates and heavy building materials, with operations spanning 36 states, canada and the caribbean. martin marietta's magnesia specialties business provides a full range of magnesium oxide, magnesium hydroxide and dolomitic lime products.
Exchange - NEW YORK STOCK EXCHANGE INC.
Industry - Crushed and Broken Limestone Mining and Quarrying
Sector - Mining, Quarrying, and Oil and Gas Extraction