WESTLAKE ROYAL ROOFING, LLC is a other concrete product manufacturing employer in LATHROP, CA. Federal records show 1 OSHA inspection with 1 violation and $1,050 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.
WESTLAKE ROYAL ROOFING, LLC
342 ROTH RD., LATHROP, CA, 95330
Parent: WESTLAKE CORP (17 locations)
327390 — Top companies in Other Concrete Product Manufacturing
EIN: 330769563
33 employees
Industry Benchmark
Data Insights
Inspection Breakdown
Peer Comparison
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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.
Part of a larger organization
WESTLAKE ROYAL ROOFING, LLC is one of 17 establishments in our dataset that roll up under the parent organization WESTLAKE CORP. WESTLAKE CORP is a SEC public reporter (WLK), with most recent reported revenue of $11.2B.
Federal enforcement records on WESTLAKE ROYAL ROOFING, LLC represent activity at this specific establishment. The full enforcement footprint of WESTLAKE CORP across all 17 of its tracked locations is viewable on the parent profile.
Other establishments operated by WESTLAKE CORP
- 68663 - WESTLAKE VINYLS INC — CALVERT CITY, KY — 3 federal records
- WESTLAKE VINYLS COMPANY, LP — GEISMAR, LA — 2 federal records
- 156571 - WESTLAKE ROYAL BUILDING PRODUCTS INC. — SALISBURY, NC — 1 federal record
- WESTLAKE PIPE & FITTINGS CORPORATION — BOLINGBROOK, IL — 1 federal record
- WESTLAKE ROYAL STONE SOLUTIONS — AMERICAN CANYON, CA — 1 federal record
- WESTLAKE ROYAL ROOFING, LLC. — HENDERSON, NV — 1 federal record
- WESTLAKE PIPE & FITTINGS CORPORATION — LODI, CA — 1 federal record
- 156940 - WESTLAKE ROYAL BUILDING PRODUCTS INC — SALISBURY, NC — 1 federal record
- WESTLAKE PIPE AND FITTINGS — MCPHERSON, KS — 1 federal record
- WESTLAKE COMPOUNDS — PRAIRIE, MS — 1 federal record
Other employers in Other Concrete Product Manufacturing within CA
- HOLLIDAY ROCK CO., INC. — PALMDALE — 3 federal records
- CALIFORNIA MANTEL & FIREPLACE INC — SACRAMENTO — 3 federal records
- A-1 READY MIX INC. — SAN FRANCISCO — 2 federal records
- SANNIPOLI CORPORATION — MENIFEE — 2 federal records
- OLDCASTLE PRECAST, INC. — ONTARIO — 2 federal records
- FLYING TURTLE CAST CONCRETE — MODESTO — 2 federal records
- JENSEN PRECAST — LOCKEFORD — 2 federal records
- KTI INC DBA RIALTO CONCRETE PRODUCTS — RIALTO — 2 federal records
- JENSEN ENTERPRISES INC DBA JENSEN PRECAST — FONTANA — 2 federal records
- PARAMOUNT PRE-CAST DESIGN INC — SUN VALLEY — 2 federal records
Industry context
Within the other concrete product manufacturing industry in CA, WESTLAKE ROYAL ROOFING, LLC ranks in the 46th percentile of OSHA violation frequency across 446 comparable establishments.
OSHA penalty totals rank in the 60th percentile of the same peer group.
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. WESTLAKE ROYAL ROOFING, LLC's self-reported DART rate is 6.11, which is above the industry average.
Activity timeline
Frequently Asked Questions
- What is WESTLAKE ROYAL ROOFING, LLC's OSHA violation history?
- WESTLAKE ROYAL ROOFING, LLC has 1 OSHA inspection on record with 1 violation and $1,050 in total penalties.
- How does WESTLAKE ROYAL ROOFING, LLC's safety record compare to its industry?
- WESTLAKE ROYAL ROOFING, LLC operates in the other concrete product manufacturing industry. The industry average Total Recordable Incident Rate (TRIR) is 4.9. WESTLAKE ROYAL ROOFING, LLC's self-reported DART rate is 6.11 compared to an industry average of 2.8.
About this data
This profile aggregates federal enforcement records on WESTLAKE ROYAL ROOFING, LLC of LATHROP, CA from 17 federal data sources. Records were found in 3 sources: OSHA workplace safety inspections, SEC XBRL companyfacts (parent financials), and BLS industry safety benchmarks. The remaining 14 sources were checked and found no matching records: WHD, MSHA, EPA, NLRB, OFLC, OFCCP, FMCSA, USAspending, SAM.gov, CMS, CPSC, NHTSA, UVA, SEC enforcement.
Establishments are matched across agencies using normalized employer name, state, and ZIP code. The dataset was last refreshed on May 1, 2026. WESTLAKE ROYAL ROOFING, LLC resolves to the parent rollup WESTLAKE CORP, which operates 17 establishments in our dataset.
This profile may be incomplete if WESTLAKE ROYAL ROOFING, 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.