Company Profile
Public information reviewed
Martin Marietta Materials
Canonical company identity and public leadership record.
USNYSE: MLM
- Public sources
- 2 reviewed
- Published leadership records
- 20
- Last reviewed
- Sep 5, 2026
Agent View
Machine representations
Inspect the same governed public record as Markdown, structured data, or a retrieval endpoint.
Markdown
https://registry.alpha.ac/companies/martin-marietta-materials-inc.mdMartin Marietta Materials
Alpha governed public record. Unknown, unavailable, and unpublished values are never inferred as zero.
Record
| Field | Value |
|---|---|
| Representation | alpha-profile-markdown-v3 |
| Protocol | Alpha Governance Facts Protocol 0.1 |
| Schema | alpha.governance.entity.public.v1 |
| Record version | public-1 |
| Canonical entity | alpha:company:55a83041-1c79-49fa-b492-407fc762ab03 |
| Entity type | Company |
| Canonical URL | https://registry.alpha.ac/companies/martin-marietta-materials-inc |
| Publication | PUBLISHED |
| Verification | source_reported |
| Verification schema | alpha-verification-states-v1 |
| Ownership | unclaimed |
| Published claims | 28 |
| Claims under review | 1 |
| Evidence records | 7 |
| Conflicts | 0 |
| Conflicts in internal review | 0 |
| Observed | 2026-09-05T21:30:46.727835+00:00 |
| Last reviewed | 2026-09-05T21:30:46.727835+00:00 |
Identity
- Legal name: MARTIN MARIETTA MATERIALS INC
- Display name: Martin Marietta Materials
Leadership
- C. Howard Nye: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:3.
- Anthony R. Foxx: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:3.
- David C. Wajsgras: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:3.
- Donald W. Slager: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:3.
- Dorothy M. Ables: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:3.
- Gayla J. Delly: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:4.
- John J. Koraleski: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:3.
- Laree E. Perez: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:3.
- Martin J. Lyons, Jr.: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:4.
- Mary T. Mack: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:3.
- Sue W. Cole: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:3.
- Thomas H. Pike: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:3.
- Bradley D. Kohn: Named Executive Officer. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:5.
- C. Howard Nye: President and Chief Executive Officer. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:5.
- Donald A. McCunniff: Named Executive Officer. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:5.
- James A.J. Nickolas: Named Executive Officer. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:5.
- Jason P. Flynn: Named Executive Officer. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:5.
- Michael J. Petro: Named Executive Officer. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:5.
- Robert J. Cardin: Named Executive Officer. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:5.
- Roselyn R. Bar: Named Executive Officer. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:6.
Roles
- PUBLISHED
Governance
- NOT_ASSERTED
Board committees
- PUBLISHED
Financials
- NOT_ASSERTED
Workforce
- NOT_ASSERTED
Market and index context
- S&P 500 (SPX). Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:7.
Legal Name
- MARTIN MARIETTA MATERIALS INC. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:1.
Headquarters
- US. Publication: UNDER_REVIEW. Verification: source_reported. Assertion: source_reported. Evidence: unlinked, under review.
Entity Status
- Public listing published. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:1.
Official Website
- https://www.martinmarietta.com. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:2.
Published Fact
- US. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:1.
- NC. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:1.
- Materials. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:1.
- https://www.martinmarietta.com. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:2.
Coverage states
| Field | Value |
|---|---|
| Identity | PUBLISHED |
| Business | PUBLISHED |
| Leadership | PUBLISHED |
| Board and committees | PUBLISHED |
| Governance | NOT_ASSERTED |
| Financials | NOT_ASSERTED |
| Workforce | NOT_ASSERTED |
| Ownership | NOT_ASSERTED |
| Ratings | NOT_PUBLISHED |
| Market and index context | PUBLISHED |
Public sources
- alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:1: Alpha canonical company public projection.
- alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:2: MARTIN MARIETTA MATERIALS Form 10-K.
- alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:3: Martin Marietta Materials, Inc. DEF 14A 2026-04-15.
- alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:4: MLM DEF 14A director slate.
- alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:5: MLM DEF 14A executive officers.
- alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:6: MLM executive roster source.
- alpha:evidence:company:55a83041-1c79-49fa-b492-407fc762ab03:7: S&P 500.
Rights
| Field | Value |
|---|---|
| public_retrieval | allowed |
| agent_retrieval | allowed |
| redistribution | not_granted |
| model_training | not_granted |
| commercial_use | not_specified |
| relationship_pathfinding | not_granted |
| direct_contact | not_granted |
Limitations
- Absence of a leadership role, committee, or disclosure is not evidence that it does not exist.
- Only explicitly published canonical company identity and current confirmed public roles are included.
- Absence of a board, committee, executive, listing, or claim is not evidence that it does not exist.
- Public retrieval does not grant redistribution, model-training, direct-contact, or relationship-pathfinding rights.
- This Company Profile is an identity and evidence record, not an Alpha rating.
Alternate representations
- Canonical profile
- Public Markdown
- Public JSON
- JSON-LD
- MCP resource:
alpha://companies/martin-marietta-materials-incat https://mcp.alpha.ac/mcp