Martin Marietta tries again on mine plan Mar 5, 2012 Raleigh-based Martin Marietta this week will present a new plan for a limestone mine near the Maple Hill area in the eastern part of the state.

Tata Sponge Iron Ltd. (TSIL), a Tata Steel subsidiary, has announced the completion of its acquisition of the steel business of Usha Martin Ltd. In a regulatory filing, TSIL said that it completed ...

Albemarle and Martin Marietta. Albemarle and Martin Marietta’s deal is a step forward in developing the Kings Mountain mine responsibly to use its resources and raw materials, Martin said.