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.
Political donations
FEC: $121K in executive political donations; partisan lean split across 6 executive donors.
FEC: $207K in executive political donations; partisan lean Republican +77 across 6 executive donors.
Environment
environmental violation: $298K in federal penalties (Violation Tracker).
environmental violation: $2.2M in federal penalties (Violation Tracker).
Labor
43 federal penalties totaling $1.2M since 2000 (Violation Tracker).
194 federal penalties totaling $5.5M since 2000 (Violation Tracker).
DEI
No public record found.
No public record found.
Charity
No public record found.
No public record found.
Animal testing
No public record found.
No public record found.
Firearms
No public record found.
No public record found.
Privacy
No public record found.
No public record found.
Executive pay
CEO-to-median-worker pay ratio 64:1 (median employee pay $90,710) — SEC proxy statement (DEF 14A, 2026).
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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