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MARTIN MARIETTA MAGNESIA SPECIALTIES LLC is a clay building material and refractories manufacturing employer in MANISTEE, MI. Federal records show 3 OSHA inspections with 1 violation and $1,800 in penalties. All data sourced from public federal enforcement records.

Data sourced from OSHA, DOL WHD, MSHA, EPA ECHO, NLRB, FMCSA, OFLC, BLS, SAM.gov, CMS, USAspending, CPSC, NHTSA, and the UVA Corporate Prosecution Registry. Last updated: May 2, 2026.

MARTIN MARIETTA MAGNESIA SPECIALTIES LLC

1800 E LAKE RD, MANISTEE, MI, 49660

327120 Top companies in Clay Building Material and Refractories Manufacturing

Federal Enforcement
3
OSHA inspections
1 violation
$1,800 in penalties
Violations across 2 federal agencies
Enforcement actions from multiple agencies may indicate systemic compliance issues.

Industry Benchmark

Industry Avg TRIR
4.2
Industry Avg DART
3.3
Industry rates from BLS SOII 2024. Self-reported rates from OSHA ITA.
OSHA Inspections
3
OSHA Violations
1
Total Penalties
$1,800
Trend
STABLE
WHD Cases
0
Back Wages Owed
$0
Confidence
HIGH
SVEP Flag
No

Data Insights

History Span
13 years
Last Activity
11yr ago
Inspection Rate
0.2/yr
Violation Rate
0.1/yr
Violation Severity Mix
100% serious$1,800 avg per violation$600 avg per inspection
Active Agencies:
OSHANLRB$1,800 total across all agencies

Inspection Breakdown

Planned
1
Referral
2
Complaint and accident-triggered inspections are stronger risk signals than routine planned inspections.
Violation rate: 33% of inspections

Peer Comparison

45%
Below average violations
vs 30 employers in same industry & state
Fewer violationsMore violations
Penalty Percentile
79%
Inspection Frequency Percentile
69%

Labor Relations (NLRB)

Total Cases
1
Unfair Labor Practice
1
National Labor Relations Board — unfair labor practice charges and union representation cases.

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Inspection History

No inspection records found.

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Data aggregated from public federal enforcement and program records (OSHA, WHD, MSHA, EPA, NLRB, FMCSA, OFLC, BLS, SAM.gov, CMS, USAspending, CPSC, NHTSA) plus the UVA Corporate Prosecution Registry. Employer profiles matched by name and location — matching errors may occur. Risk scores computed by FastDOL, not official government assessments. OSHA citations typically appear 3-8 months after the inspection, so very recent enforcement actions may not yet be reflected. Data provided as-is. Report a data error.

Other employers in Clay Building Material and Refractories Manufacturing within MI

Industry context

Within the clay building material and refractories manufacturing industry in MI, MARTIN MARIETTA MAGNESIA SPECIALTIES LLC ranks in the 45th percentile of OSHA violation frequency across 30 comparable establishments.

OSHA penalty totals rank in the 79th percentile of the same peer group. Inspection frequency ranks in the 69th percentile.

The Bureau of Labor Statistics reports an industry-average Total Recordable Incident Rate (TRIR) of 4.2 for the clay building material and refractories manufacturing sector, with a Days Away, Restricted, or Transferred (DART) rate of 3.3.

Activity timeline

No federal enforcement activity has been recorded against this establishment in the past 12 years.

Frequently Asked Questions

What is MARTIN MARIETTA MAGNESIA SPECIALTIES LLC's OSHA violation history?
MARTIN MARIETTA MAGNESIA SPECIALTIES LLC has 3 OSHA inspections on record with 1 violation and $1,800 in total penalties.
How does MARTIN MARIETTA MAGNESIA SPECIALTIES LLC's safety record compare to its industry?
MARTIN MARIETTA MAGNESIA SPECIALTIES LLC operates in the clay building material and refractories manufacturing industry. The industry average Total Recordable Incident Rate (TRIR) is 4.2.

About this data

This profile aggregates federal enforcement records on MARTIN MARIETTA MAGNESIA SPECIALTIES LLC of MANISTEE, MI from 17 federal data sources. Records were found in 3 sources: OSHA workplace safety inspections, NLRB labor relations cases, and BLS industry safety benchmarks. The remaining 14 sources were checked and found no matching records: WHD, MSHA, EPA, OFLC, OFCCP, FMCSA, USAspending, SAM.gov, CMS, CPSC, NHTSA, UVA, SEC enforcement, SEC facts.

Establishments are matched across agencies using normalized employer name, state, and ZIP code. The dataset was last refreshed on May 2, 2026.

This profile may be incomplete if MARTIN MARIETTA MAGNESIA SPECIALTIES LLCoperates under multiple legal names, files under variations our entity-matching rules don't yet cover, or maintains records below current matching thresholds. To report a missing record or correction, email corrections@fastdol.com.