Employer with a benefit plan ยท SEC filer
MARTIN MARIETTA MATERIALS, INC.
4123 PARKLAKE AVENUE, RALEIGH, NC 27612
EIN
56-1848578
SEC CIK
0000916076
SEC · 2026-09-02
Industry (SIC)
Mining & Quarrying of Nonmetallic Minerals (No Fuels) (1400)
SEC · 2026-09-02
State of incorporation
NC
SEC · 2026-09-02
Ticker
MLM
SEC · 2026-09-02
Latest SEC filing
4 2026-09-02
SEC · 2026-09-02
Benefit plan 11, 2024 filing
MARTIN MARIETTA MATERIALS, INC. DEFINED BENEFIT PLANS MASTER RETIREMENT TRUST
DOL · 2025-10-15
Plan type
Direct filing entity
DOL · 2025-10-15
Benefit plan 2, 2024 filing
MARTIN MARIETTA PENSION PLAN
DOL · 2025-10-15
Participants (start of year)
15,776
DOL · 2025-10-15
Plan features
code 1A1B
DOL · 2025-10-15
Plan type
Single-employer plan
DOL · 2025-10-15
Business code (NAICS)
212320
DOL · 2025-10-15
Benefit plan 540, 2024 filing
MARTIN MARIETTA WELFARE BENEFIT PLAN
DOL · 2025-10-08
Participants (start of year)
8,734
DOL · 2025-10-08