DIAMOND C TRAILER, LLC is a truck trailer manufacturing employer in MOUNT PLEASANT, TX. Federal records show 1 OSHA inspection with 6 violations and $28,842 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 3, 2026.
DIAMOND C TRAILER, LLC
4006 FM 3417, MOUNT PLEASANT, TX, 75455
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Inspection Breakdown
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▶SEC Enforcement(1)
$5,000,000 totallast: 2014-01-09
SEC Enforcement(1)
SEC Litigation Releases filed against QUANTUM CORP /DE/— every public-company employer profile shows the parent's SEC enforcement history. Source: sec.gov/litigation/litreleases.
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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
DIAMOND C TRAILER, LLC is one of 1,580 establishments in our dataset that roll up under the parent organization QUANTUM CORP /DE/. QUANTUM CORP /DE/ is a SEC public reporter (QMCO), with most recent reported revenue of $274M.
Federal enforcement records on DIAMOND C TRAILER, LLC represent activity at this specific establishment. The full enforcement footprint of QUANTUM CORP /DE/ across all 1,580 of its tracked locations is viewable on the parent profile.
Other establishments operated by QUANTUM CORP /DE/
- DIAMOND CHEMICAL COMPANY, INC. — EAST RUTHERFORD, NJ — 3 federal records
- DIAMOND WIRE SPRING COMPANY — PITTSBURGH, PA — 3 federal records
- DIAMOND SAND AND GRAVEL INC — SPARTA, NJ — 3 federal records
- Diamond Equipment Contracting Corporation — VIRGINIA BEACH, VA — 2 federal records
- Diamond D General Engineering — Woodland, CA — 2 federal records
- DIAMOND CRYSTAL BRANDS, INC — PERRYSBURG, OH — 2 federal records
- Diamond Trucking — Peru, IN — 2 federal records
- Diamond Transportation — Springfield, VA — 2 federal records
- DIAMOND PALACE HOTEL AND CASINO CORP — SAN JUAN, PR — 2 federal records
- DIAMOND CORING COMPANY, INC. — PALATINE, IL — 2 federal records
Other employers in Truck Trailer Manufacturing within TX
- GOOSENECK TRAILER MFG, CO., INC. — BRYAN — 2 federal records
- TRAILER WHEEL & FRAME CO. — HOUSTON — 2 federal records
- UNIVERSAL TRAILER CARGO GROUP, INC. — WACO — 2 federal records
- TRAVIS BODY AND TRAILER, INC. — HOUSTON — 1 federal record
- LEDWELL & SON ENTERPRISE INC. — TEXARKANA — 1 federal record
- COMPETITION TRAILERS, INC. — HENDERSON — 1 federal record
- BLOOMER TRAILERS MANUFACTURING, INC. — SALADO — 1 federal record
- PJ TRAILERS MFG. CO., INC. — SUMNER — 1 federal record
- LOAD TRAIL — COMO — 1 federal record
- LOAD TRAIL LLC — SULPHUR SPRINGS — 1 federal record
Industry context
Within the truck trailer manufacturing industry in TX, DIAMOND C TRAILER, LLC ranks in the 77th percentile of OSHA violation frequency across 114 comparable establishments.
OSHA penalty totals rank in the 91th 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 truck trailer manufacturing sector, with a Days Away, Restricted, or Transferred (DART) rate of 2.8.
Activity timeline
Frequently Asked Questions
- What is DIAMOND C TRAILER, LLC's OSHA violation history?
- DIAMOND C TRAILER, LLC has 1 OSHA inspection on record with 6 violations and $28,842 in total penalties.
- How does DIAMOND C TRAILER, LLC's safety record compare to its industry?
- DIAMOND C TRAILER, LLC operates in the truck trailer manufacturing industry. The industry average Total Recordable Incident Rate (TRIR) is 4.9.
About this data
This profile aggregates federal enforcement records on DIAMOND C TRAILER, LLC of MOUNT PLEASANT, TX from 17 federal data sources. Records were found in 5 sources: OSHA workplace safety inspections, NHTSA vehicle and equipment recalls, SEC Litigation Releases, SEC XBRL companyfacts (parent financials), and BLS industry safety benchmarks. The remaining 12 sources were checked and found no matching records: WHD, MSHA, EPA, NLRB, OFLC, OFCCP, FMCSA, USAspending, SAM.gov, CMS, CPSC, UVA.
Establishments are matched across agencies using normalized employer name, state, and ZIP code. The dataset was last refreshed on May 3, 2026. DIAMOND C TRAILER, LLC resolves to the parent rollup QUANTUM CORP /DE/, which operates 1,580 establishments in our dataset.
This profile may be incomplete if DIAMOND C TRAILER, 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.