Brief

Martin Marietta added Declaration Partners-backed New Frontier Materials (announced 2026-04-30). Martin Marietta has agreed to acquire New Frontier Materials, a company backed by Declaration Partners, in an add-on transaction. New Frontier Materials operates in the construction materials sector, complementing Martin Marietta's existing aggregates and building materials platform. The deal expands Martin Marietta's footprint and product offerings, though financial terms and closing timeline were not disclosed.