ROYAL STONE LLC is a other concrete product manufacturing employer in WILLIAMSTON, MI. Federal records show 4 OSHA inspections with 15 violations and $1,240 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 1, 2026.
ROYAL STONE LLC
3014 DIETZ RD, WILLIAMSTON, MI, 48895
327390 — Top companies in Other Concrete Product Manufacturing
EIN: 383528028
24 employees
Industry Benchmark
Data Insights
Inspection Breakdown
Peer Comparison
Motor Carrier Safety (FMCSA)
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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 Other Concrete Product Manufacturing within MI
- STRESS-CON INDUSTRIES INC — SAGINAW — 2 federal records
- DETROIT WILBERT VAULT CORP — DETROIT — 1 federal record
- RENAISSANCE PRECAST INDUSTRIES — RIVER ROUGE — 1 federal record
- MILAN BURIAL VAULT, INC. — MILAN — 1 federal record
- DAVE'S CONCRETE PRODUCTS INC — LAWTON — 1 federal record
- SANTEIU VAULTS INC — LIVONIA — 1 federal record
- WILBERT BURIAL VAULT WORKS INC — ESCANABA — 1 federal record
- AMERICAN EAGLE PRECAST, LLC — DETROIT — 1 federal record
- GARDNER PROD INC — KALAMAZOO — 1 federal record
- PPD LLC DBA PENINSULA PRESTRESS COMPANY — CLARKSVILLE — 1 federal record
Industry context
Within the other concrete product manufacturing industry in MI, ROYAL STONE LLC ranks in the 91th percentile of OSHA violation frequency across 171 comparable establishments. That places this employer among the highest-violation establishments in its peer set.
OSHA penalty totals rank in the 67th percentile of the same peer group. Inspection frequency ranks in the 86th percentile.
The Bureau of Labor Statistics reports an industry-average Total Recordable Incident Rate (TRIR) of 4.9 for the other concrete product manufacturing sector, with a Days Away, Restricted, or Transferred (DART) rate of 2.8. ROYAL STONE LLC's self-reported DART rate is 20.62, which is above the industry average.
Activity timeline
No federal enforcement activity has been recorded against this establishment in the past 24 months.
Frequently Asked Questions
- What is ROYAL STONE LLC's OSHA violation history?
- ROYAL STONE LLC has 4 OSHA inspections on record with 15 violations and $1,240 in total penalties.
- How does ROYAL STONE LLC's safety record compare to its industry?
- ROYAL STONE LLC operates in the other concrete product manufacturing industry. The industry average Total Recordable Incident Rate (TRIR) is 4.9. ROYAL STONE LLC's self-reported DART rate is 20.62 compared to an industry average of 2.8.
About this data
This profile aggregates federal enforcement records on ROYAL STONE LLC of WILLIAMSTON, MI from 17 federal data sources. Records were found in 3 sources: OSHA workplace safety inspections, FMCSA motor carrier safety, and BLS industry safety benchmarks. The remaining 14 sources were checked and found no matching records: WHD, MSHA, EPA, NLRB, OFLC, OFCCP, 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 1, 2026.
This profile may be incomplete if ROYAL STONE 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.