SUPERIOR TRAILER WORKS is a truck trailer manufacturing employer in FONTANA, CA. Federal records show 3 OSHA inspections with 3 violations and $4,500 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.
SUPERIOR TRAILER WORKS
13700 SLOVER AVENUE, FONTANA, CA, 92337
Parent: Superior Trailer Works (1 locations)
336212 — Top companies in Truck Trailer Manufacturing
EIN: 952395777
55 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 Truck Trailer Manufacturing within CA
- CARSON TRAILER, INC. — GARDENA — 3 federal records
- COZAD TRAILER SALES, LLC — STOCKTON — 2 federal records
- NAPPI FABRICATION DESIGN — ANAHEIM — 1 federal record
- TUXFORD MAINTENANCE CO. — SUN VALLEY — 1 federal record
- DENTONI'S WELDING WORKS, INC — STOCKTON — 1 federal record
- HARLEY MURRAY INC. — STOCKTON — 1 federal record
- PREMIER TRAILER MANUFACTURING, INC. — VISALIA — 1 federal record
- SHADOW INDUSTRIES INC. — CYPRESS — 1 federal record
- CIMC INTERMODAL EQUIPMENT LLC — SOUTH GATE — 1 federal record
- PREMIER TRAILER MFG INC. — VISALIA — 1 federal record
Industry context
Within the truck trailer manufacturing industry in CA, SUPERIOR TRAILER WORKS ranks in the 70th percentile of OSHA violation frequency across 138 comparable establishments.
OSHA penalty totals rank in the 83th percentile of the same peer group. Inspection frequency ranks in the 87th percentile.
The Bureau of Labor Statistics reports an industry-average Total Recordable Incident Rate (TRIR) of 4.9 for the truck trailer manufacturing sector, with a Days Away, Restricted, or Transferred (DART) rate of 2.8. SUPERIOR TRAILER WORKS's self-reported DART rate is 15.7, which is above the industry average.
Activity timeline
No federal enforcement activity has been recorded against this establishment in the past 11 years.
Frequently Asked Questions
- What is SUPERIOR TRAILER WORKS's OSHA violation history?
- SUPERIOR TRAILER WORKS has 3 OSHA inspections on record with 3 violations and $4,500 in total penalties.
- How does SUPERIOR TRAILER WORKS's safety record compare to its industry?
- SUPERIOR TRAILER WORKS operates in the truck trailer manufacturing industry. The industry average Total Recordable Incident Rate (TRIR) is 4.9. SUPERIOR TRAILER WORKS's self-reported DART rate is 15.7 compared to an industry average of 2.8.
About this data
This profile aggregates federal enforcement records on SUPERIOR TRAILER WORKS of FONTANA, CA 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 2, 2026. SUPERIOR TRAILER WORKS resolves to the parent rollup Superior Trailer Works. OSHA accident records on file for SUPERIOR TRAILER WORKS include 1 hospitalization.
This profile may be incomplete if SUPERIOR TRAILER WORKSoperates 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.