DIAMOND REFRACTORY SERVICES LLC is a other building equipment contractors employer in WYNNEWOOD, OK. Federal records show 1 OSHA inspection with 1 violation and $0 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.
DIAMOND REFRACTORY SERVICES LLC
906 POWELL, WYNNEWOOD, OK, 73098
Parent: QUANTUM CORP /DE/ (1,580 locations)
238290 — Top companies in Other Building Equipment Contractors
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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 REFRACTORY SERVICES 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 REFRACTORY SERVICES 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 Other Building Equipment Contractors within OK
- BELGER CARTAGE SERVICE, INC. — OKLAHOMA CITY — 2 federal records
- PAR FAB FIELD SERVICES, LLC — WYNNEWOOD — 1 federal record
- CIRCLE J INDUSTRIES, INC. — PONCA CITY — 1 federal record
- COBB MECHANICAL CONTRACTORS, INC. — TAHLEQUAH — 1 federal record
- POLY-PRO INC. — TULSA — 1 federal record
- DOMINO EQUIPMENT COMPANY — OKLAHOMA CITY — 1 federal record
- BARNHART CRANE AND RIGGING — OKLAHOMA CITY — 1 federal record
- DENSE MECHANICAL CONTRACTORS, INC. — ENID — 1 federal record
- ALLIANCE SPECIALTIES, INC. — OKLAHOMA CITY — 1 federal record
- SEI MILLWRIGHT SERVICES, INC. — HITCHCOCK — 1 federal record
Industry context
Within the other building equipment contractors industry in OK, DIAMOND REFRACTORY SERVICES LLC ranks in the 76th percentile of OSHA violation frequency across 847 comparable establishments.
The Bureau of Labor Statistics reports an industry-average Total Recordable Incident Rate (TRIR) of 1.4 for the other building equipment contractors sector, with a Days Away, Restricted, or Transferred (DART) rate of 1.
Activity timeline
No federal enforcement activity has been recorded against this establishment in the past 14 years.
Frequently Asked Questions
- What is DIAMOND REFRACTORY SERVICES LLC's OSHA violation history?
- DIAMOND REFRACTORY SERVICES LLC has 1 OSHA inspection on record with 1 violation and $0 in total penalties.
- How does DIAMOND REFRACTORY SERVICES LLC's safety record compare to its industry?
- DIAMOND REFRACTORY SERVICES LLC operates in the other building equipment contractors industry. The industry average Total Recordable Incident Rate (TRIR) is 1.4.
About this data
This profile aggregates federal enforcement records on DIAMOND REFRACTORY SERVICES LLC of WYNNEWOOD, OK from 17 federal data sources. Records were found in 4 sources: OSHA workplace safety inspections, SEC Litigation Releases, SEC XBRL companyfacts (parent financials), and BLS industry safety benchmarks. The remaining 13 sources were checked and found no matching records: WHD, MSHA, EPA, NLRB, OFLC, OFCCP, FMCSA, USAspending, SAM.gov, CMS, CPSC, NHTSA, UVA.
Establishments are matched across agencies using normalized employer name, state, and ZIP code. The dataset was last refreshed on May 1, 2026. DIAMOND REFRACTORY SERVICES LLC resolves to the parent rollup QUANTUM CORP /DE/, which operates 1,580 establishments in our dataset.
This profile may be incomplete if DIAMOND REFRACTORY SERVICES 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.