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Knife River vs MARTIN MARIETTA MATERIALS

On overall TruNorth grade, Knife River scores higher (Knife River: B, MARTIN MARIETTA MATERIALS: C). Both graded from public records across nine values categories.

B
Knife River
58.3/100
C
MARTIN MARIETTA MATERIALS
49.2/100

Political donations

Knife River

FEC: $121K in executive political donations; partisan lean split across 6 executive donors.

MARTIN MARIETTA MATERIALS

FEC: $207K in executive political donations; partisan lean Republican +77 across 6 executive donors.

Environment

Knife River

environmental violation: $298K in federal penalties (Violation Tracker).

MARTIN MARIETTA MATERIALS

environmental violation: $2.2M in federal penalties (Violation Tracker).

Labor

Knife River

43 federal penalties totaling $1.2M since 2000 (Violation Tracker).

MARTIN MARIETTA MATERIALS

194 federal penalties totaling $5.5M since 2000 (Violation Tracker).

DEI

Knife River

No public record found.

MARTIN MARIETTA MATERIALS

No public record found.

Charity

Knife River

No public record found.

MARTIN MARIETTA MATERIALS

No public record found.

Animal testing

Knife River

No public record found.

MARTIN MARIETTA MATERIALS

No public record found.

Firearms

Knife River

No public record found.

MARTIN MARIETTA MATERIALS

No public record found.

Privacy

Knife River

No public record found.

MARTIN MARIETTA MATERIALS

No public record found.

Executive pay

Knife River

CEO-to-median-worker pay ratio 64:1 (median employee pay $90,710) — SEC proxy statement (DEF 14A, 2026).

MARTIN MARIETTA MATERIALS

CEO total compensation $17.7M (2024; other named executives averaged $3.6M) — SEC pay-versus-performance disclosure (Item 402(v) XBRL).

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