MARTIN MARIETTA MATERIALS INC
Public company- Headquarters
- RALEIGH, North Carolina
- Ticker
- MLM
- CIK
- 0000916076
WARN notices since 2024
0
None on record
Workers affected since 2024
0
Across 0 notices
Executive changes, last 12 months
2
2 appointments, 0 departures
Last event
Aug 24, 2026
Executive appointmentdirector appointed: Philipp Niemann
Workers affected over time
Cumulative workers in WARN notices since 2024
Not enough notices to chart yet.
Leadership
| Role and person | Since | Change |
|---|---|---|
| directorPhilipp Niemann | Aug 24, 2026 | Appointed |
| CFOMichael J. Petro | Aug 4, 2026 | Appointed |
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- Plant closure
Plant closure: Cave-in-Rock, IL
Martin Marietta Materials, Inc. filed a WARN notice with the Illinois WARN list on May 5, 2006 covering 83 workers at Route 1 Box 267, Cave-in-Rock.
Source: Illinois WARN list, filed May 5, 2006Site: Cave-in-Rock, IL
Workers affected: 83
Last verified Nov 8, 2026