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Establishment profile

SUPERIOR TRAILER WORKS

13700 SLOVER AVENUE, FONTANA, CA, 92337
Operated by Superior Trailer Works
336212Truck Trailer Manufacturing
EIN 952395777

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OSHA inspections
4
over 35 years
Violations
21
$19,470 in penalties
Penalties
$19,470
$927 avg
Accident investigations on record
2 hospitalizations

Summary

SUPERIOR TRAILER WORKS has accumulated 21 OSHA violations across 4 inspections over 35 years of recorded history, with $19,470 in total assessed penalties.

The establishment sits in the 93rd percentile for violations within its industry-state peer group of 140 employers. Inspection frequency runs at the 89th percentile. The most recent enforcement activity was recorded 10 years ago.

Federal records were found in 1 of 15 sources. Sources without matching records returned empty for this establishment.

Agency coverage

SUPERIOR TRAILER WORKS appears in OSHA workplace safety and FMCSA motor carrier registration records only. No matching records were found in WHD wage enforcement, MSHA mine safety, EPA environmental compliance, NLRB labor relations, OFLC visa and labor certification (historical), SAM.gov federal debarment, CMS nursing home enforcement, UVA Corporate Prosecution Registry, CPSC product recalls, or NHTSA vehicle recalls.

OSHA workplace safety

Inspections
4
0.1 / yr · last 35 yrs
Violations
21
0.6 / yr
Penalties
$19,470
$927 avg / violation
19% serious81% other
Inspection trigger · accident
3 of 4
Inspection trigger · complaint
1 of 4

75% of inspections at this establishment produced violations,

Most-cited OSHA standards

Top OSHA standards cited at this employer, ranked by citation count. Standards (CFR sections) cluster citations into safety themes -- machine guarding, lockout-tagout, hazard communication, fall protection, process safety, etc. A concentration on one or two sections reveals a pattern that individual citations don’t. 20 distinct standards shown · 20 citations in this view · $19,345 in penalties.

CFR sectionCitationsInspectionsTotal penaltyFirst citedLast cited
342 A11$5,000Oct 2004Oct 2004
4215 A11$2,250Feb 2006Feb 2006
4310 A0111$2,250Feb 2006Feb 2006
3583 A11$2,250Feb 2006Feb 2006
3395(H)(2)11$1,500Feb 2016Feb 2016
3395(H)(1)11$1,500Feb 2016Feb 2016
3395(I)11$1,500Feb 2016Feb 2016
29 CFR 2395.0051 A0111$700Oct 2004Oct 2004
461 C11$350Oct 2004Oct 2004
3577 E11$325Feb 2006Feb 2006
4070 A11$225Feb 2006Feb 2006
5143 A0511$175Oct 2004Oct 2004
5144 E0111$175Oct 2004Oct 2004
3203 A11$175Oct 2004Oct 2004
5194 E0111$175Oct 2004Oct 2004
4650 E11$175Oct 2004Oct 2004
5144 C0111$175Oct 2004Oct 2004
6151 E0211$160Feb 2006Feb 2006
3576 A11$160Feb 2006Feb 2006
3273 A11$125Feb 2006Feb 2006

Source: OSHA inspection citations (violation_detail). CFR section codes can be looked up at osha.gov/laws-regs for the formal standard text. Per-inspection detail and the specific violation descriptions are available by expanding individual inspections below.

Peer comparison

93rd

Worse on violations than most other employers in NAICS 3362 within CA. Peer group: 140 employers. This establishment has 21 OSHA violations; peer median is 4.

Fewer violationsMore violations
Penalty percentile
94th
peer median: $2,073
Inspection frequency
89th
peer median: 1

Safety self-report (OSHA 300A)

Recordable injury rates the employer filed with OSHA’s Injury Tracking Application. DART covers cases with days away, restricted, or transferred; TRIR is the total recordable case rate.

DART rate
15.7
vs industry
+12.9
TRIR
15.7
vs industry
+10.8

Reported for 55 average annual employees at this establishment.

Source: OSHA ITA Form 300A (employer self-reported). Rates are per 100 full-time equivalent workers. Establishments below the ~10-FTE threshold are not required to report.

Industry benchmark

Industry avg TRIR
4.9
BLS SOII 2024
Industry avg DART
2.8
BLS SOII 2024
Self-reported TRIR
15.7
OSHA ITA Form 300A (employer self-reported)

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
1
Accident
3

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 SUPERIOR TRAILER WORKS. Verify directly with Occupational Safety and Health Administration

OSHA accident events

Accidents, fatalities, and catastrophes documented during OSHA inspections at this employer. Each entry links to the inspection that recorded it.

DateEventInjuriesHospitalizedFatalities
Apr 15, 2004ABDOMEN,TAILGATE,UNSECURED,WELDER,BACK,CRUSHED,DUMP TRUCK,STRUCK BY11
May 22, 1991UNSECURED,WORK RULES,TRUCK,STRUCK BY,ARM,SLING,FALLING OBJECT11

Source: OSHA accident investigations. Narratives are recorded by the inspecting officer and may be truncated.

Activity timeline

Data refreshed
Weekly
First OSHA inspection
Most recent activity
10 years ago

No federal enforcement activity has been recorded against this establishment in 10+ years. Most recent activity: 10 years ago. Data on this page is refreshed weekly.

Wage & Hour Division (WHD)

No WHD wage, overtime, or child-labor enforcement cases on file for SUPERIOR TRAILER WORKS. Verify directly with Wage and Hour Division

Mine safety (MSHA)

No MSHA mine safety violations on file for SUPERIOR TRAILER WORKS. Verify directly with Mine Safety and Health Administration

Labor relations (NLRB)

No NLRB unfair labor practice charges or union representation cases on file for SUPERIOR TRAILER WORKS. Verify directly with National Labor Relations Board

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 SUPERIOR TRAILER WORKS. Verify directly with Office of Foreign Labor Certification

Environmental compliance (EPA)

No EPA inspections or formal enforcement actions on file for SUPERIOR TRAILER WORKS. Verify directly with Environmental Protection Agency

Motor carrier safety (FMCSA)

DOT number
1945222

Federal Motor Carrier Safety Administration — DOT-regulated carrier registration and fleet data.

Federal criminal prosecution record

No federal criminal prosecutions, plea agreements, or deferred-prosecution agreements on file for SUPERIOR TRAILER WORKS. Verify directly with UVA Corporate Prosecution Registry

Inspection history

DateTriggerViolationsSeriousPenalty
2015-08-28Accident3$4,500
2005-08-15Complaint94$7,870
2004-04-23Accident9$7,100
1991-06-04Accident0$0

Source: OSHA IMIS. Citation amounts reflect initially assessed penalties; final amounts after appeal may differ.

In the news

Part of a larger organization

SUPERIOR TRAILER WORKS is one of 1 establishments rolled up under the parent organization Superior Trailer Works.

Federal enforcement records on this page represent activity at this specific establishment only. The full enforcement footprint of Superior Trailer Works across all 1 of its tracked locations is viewable on the parent profile.

Other employers in this industry and state

Other employers in truck trailer manufacturing within CA, ordered by federal enforcement volume:

Related searches

About this data

This profile aggregates federal enforcement records on SUPERIOR TRAILER WORKS 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 Superior Trailer Works.

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.

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Frequently asked

What is SUPERIOR TRAILER WORKS's OSHA violation history?
SUPERIOR TRAILER WORKS has 4 OSHA inspections on record with 21 violations and $19,470 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.