Presidential order for rate/quota system immediately imposes 25% or 50% duty on most imports at start of four-year plan.

Advisory committee to aid in drafting emergency rules limiting engineered-stone use in the Golden State.

New Section 301 duty of 25% takes effect next week; granite, calcareous, slate included; quartzite exempt.

Money from Natural Stone Alliance will fund sustainability initiatives and scholarship programs.

Hands-on, full-day session set for Aug. 5 near Worcester, Mass.

Industry reps, major fabricator seek immunity from new duties for all natural stone.

Former CEO of Marble Institute of America (now Natural Stone Institute), dies at 84.

Natural Stone Strategic Alliance focusing on initiatives ahead of September in-person meeting.

Brazilian stone producers set to present evidence at another U.S. federal government tariff action.

Government inspectors halt four businesses for unsafe working conditions.