Establishment profile
WESTLAKE ROYAL STONE SOLUTIONS
350 TOWER ROAD, AMERICAN CANYON, CA, 94503
Operated by WESTLAKE CORP · 1 of 22 establishments
327991 — Cut Stone and Stone Product Manufacturing
Summary
WESTLAKE ROYAL STONE SOLUTIONS has accumulated 0 OSHA violations across 1 inspection.
The most recent federal enforcement activity was recorded 10 months ago.
Federal records were found in 1 of 15 sources. Sources without matching records returned empty for this establishment.
Agency coverage
WESTLAKE ROYAL STONE SOLUTIONS appears in OSHA workplace safety and NLRB labor relations records only. No matching records were found in WHD wage enforcement, MSHA mine safety, EPA environmental compliance, OFLC visa and labor certification (historical), FMCSA motor carrier registration, SAM.gov federal debarment, CMS nursing home enforcement, UVA Corporate Prosecution Registry, CPSC product recalls, or NHTSA vehicle recalls.
OSHA workplace safety
Peer comparison
Fewer violations than most other employers in NAICS 3279 within CA. Peer group: 563 employers. This establishment has 0 OSHA violations; peer median is 3.
Safety self-report (OSHA 300A)
No self-reported injury rates filed with OSHA's Injury Tracking Application for WESTLAKE ROYAL STONE SOLUTIONS. Verify directly with OSHA Injury Tracking Application →
Industry benchmark
BLS rates reflect industry-wide averages. Self-reported figures come from OSHA’s Injury Tracking Application; absence of self-reported data does not necessarily indicate non-compliance — many establishments fall below the ITA reporting threshold.
Inspection breakdown
Complaint- and accident-triggered inspections are stronger risk signals than routine planned inspections.
OSHA severe injury reports
No severe injury reports (hospitalization, amputation, or loss of an eye) on file under 29 CFR 1904.39 for WESTLAKE ROYAL STONE SOLUTIONS. Verify directly with Occupational Safety and Health Administration →
Activity timeline
Most recent federal enforcement activity recorded 10 months ago. Data on this page is refreshed weekly.
Wage & Hour Division (WHD)
No WHD wage, overtime, or child-labor enforcement cases on file for WESTLAKE ROYAL STONE SOLUTIONS. Verify directly with Wage and Hour Division →
Mine safety (MSHA)
No MSHA mine safety violations on file for WESTLAKE ROYAL STONE SOLUTIONS. Verify directly with Mine Safety and Health Administration →
Labor relations (NLRB)
Company-level in CA — for WESTLAKE CORP, not this location alone
National Labor Relations Board — unfair labor practice charges and union representation cases. The NLRB records cases at the company/regional level (no worksite address), so these are matched by company name and state and may span other WESTLAKE CORP locations in the same state.
NLRB cases
National Labor Relations Board cases involving this employer. Includes unfair labor practice (ULP) filings and representation election proceedings. NLRB enforcement is process-driven; no per-case monetary penalty is assessed (remedies are case-by-case backpay orders, posting requirements, election re-runs, etc.). 3 cases · 3 ULP
| Case number | Type | Filed | Closed | Status | Region |
|---|---|---|---|---|---|
| 20-CA-383227 | Unfair labor practice | Mar 2026 | — | Open | Region 20, San Francisco, California |
| 20-CA-369616 | Unfair labor practice | Jul 2025 | — | Open | Region 20, San Francisco, California |
| 20-CA-368168 | Unfair labor practice | Jun 2025 | — | Open | Region 20, San Francisco, California |
Source: NLRB case files. Rows shown are those the agency has published. Region numbers (1–31) correspond to NLRB's geographic offices.
Visa & labor certification (OFLC) — historical
No H-1B, H-2A, or H-2B labor condition applications on file (historical data only — DOL ended OFLC publication) for WESTLAKE ROYAL STONE SOLUTIONS. Verify directly with Office of Foreign Labor Certification →
Environmental compliance (EPA)
No EPA inspections or formal enforcement actions on file for WESTLAKE ROYAL STONE SOLUTIONS. Verify directly with Environmental Protection Agency →
Federal criminal prosecution record
No federal criminal prosecutions, plea agreements, or deferred-prosecution agreements on file for WESTLAKE ROYAL STONE SOLUTIONS. Verify directly with UVA Corporate Prosecution Registry →
Inspection history
| Date | Trigger | Violations | Serious | Penalty | |
|---|---|---|---|---|---|
| 2025-08-11 | Complaint | 0 | — | $0 |
Source: OSHA IMIS. Citation amounts reflect initially assessed penalties; final amounts after appeal may differ.
In the news
Part of a larger organization
WESTLAKE ROYAL STONE SOLUTIONS is one of 22 establishments rolled up under the parent organization WESTLAKE CORP.
Federal enforcement records on this page represent activity at this specific establishment only. The full enforcement footprint of WESTLAKE CORP across all 22 of its tracked locations is viewable on the parent profile.
Other employers in this industry and state
Other employers in cut stone and stone product manufacturing within CA, ordered by federal enforcement volume:
- MGM GRANITE AND MARBLE INCNORTH HOLLYWOOD — 2 federal enforcement records
- U.S. GRANITE CORPORATIONRANCHO CORDOVA — 2 federal enforcement records
- RANN VALDEZ STONE INC.CONCORD — 2 federal enforcement records
- COLD SPRING GRANITERAYMOND — 2 federal enforcement records
- SAN DIEGO GRANITE, INC.POWAY — 2 federal enforcement records
- AGI MARBLE COMPANY, INC.LOS ANGELES — 2 federal enforcement records
- SMG STONE COMPANY, INC.SUN VALLEY — 2 federal enforcement records
- MONSCHEIN INDUSTRIES, INC.RIVERBANK — 2 federal enforcement records
- SHAMROCK MATERIALSSAN RAFAEL — 2 federal enforcement records
- STONE ETC INCGARDENA — 2 federal enforcement records
Other locations under this parent
Other establishments operated by WESTLAKE CORP, ordered by federal enforcement volume:
- WESTLAKE VINYLS INCCALVERT CITY, KY — 3 federal enforcement records
- WESTLAKE MANAGEMENT SERVICES INCLONGVIEW, WA — 2 federal enforcement records
- WESTLAKE ROYAL BUILDING PRODUCTS INCSALISBURY, NC — 1 federal enforcement record
- WESTLAKE ROYAL BUILDING PRODUCTS INC.SALISBURY, NC — 1 federal enforcement record
- WESTLAKE ROYAL ROOFING, LLC.HENDERSON, NV — 1 federal enforcement record
- WESTLAKE POLYMERS CORPORATIONSULPHUR, LA — 1 federal enforcement record
- WESTLAKE VINYLS COMPANY, LPGEISMAR, LA — 1 federal enforcement record
- WESTLAKE EPOXY INCLAKELAND, FL — 0 federal enforcement records
- WESTLAKE CORPORATIONSULPHUR, LA — 0 federal enforcement records
- WESTLAKE ROYAL ROOFING LLCLAKE WALES, FL — 0 federal enforcement records
Related searches
- All WESTLAKE CORP locationsParent rollup
- Cut Stone and Stone Product ManufacturingAll employers in this industry
- Employers in CAState-wide enforcement data
- Cut Stone and in CAIndustry × state cross-filter
About this data
This profile aggregates federal enforcement records on WESTLAKE ROYAL STONE SOLUTIONS from every major federal compliance and enforcement source plus the UVA Corporate Prosecution Registry. OSHA workplace safety inspections, WHD wage cases, MSHA mine safety, EPA environmental enforcement, NLRB labor relations, OFLC visa/labor certification, FMCSA motor carrier registration, SAM.gov debarments, CMS nursing-home records, BLS industry safety benchmarks, OSHA ITA self-reported injury rates, SEC enforcement and financial disclosures, CPSC and NHTSA recalls.
Establishments are matched across agencies using normalized employer name, state, and ZIP code. This establishment resolves to the parent rollup WESTLAKE CORP, which operates 22 establishments in our dataset.
OSHA citations typically appear 3–8 months after the inspection, so very recent enforcement actions may not yet be reflected. Profiles may be incomplete if the establishment operates under multiple legal names or files under variations our entity-matching rules don’t yet cover. To report a missing record or correction, email corrections@fastdol.com.
Need API access, bulk download, or licensed redistribution? The website is free. Programmatic and licensed access is handled separately.
Contact sales →Frequently asked
- What is WESTLAKE ROYAL STONE SOLUTIONS's OSHA violation history?
- WESTLAKE ROYAL STONE SOLUTIONS has 1 OSHA inspection on record with 0 violations and $0 in total penalties.
- How does WESTLAKE ROYAL STONE SOLUTIONS's safety record compare to its industry?
- WESTLAKE ROYAL STONE SOLUTIONS operates in the cut stone and stone product manufacturing industry. The industry average Total Recordable Incident Rate (TRIR) is 6.2.