DIAMOND TOOL MANUFACTURING is a cutting tool and machine tool accessory manufacturing employer in PLYMOUTH, MI. Federal records show 2 OSHA inspections with 19 violations and $4,300 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.
DIAMOND TOOL MANUFACTURING
14540 JIB STREET, PLYMOUTH, MI, 48170
Parent: QUANTUM CORP /DE/ (1,580 locations)
333515 — Top companies in Cutting Tool and Machine Tool Accessory Manufacturing
EIN: 382713969
22 employees
Industry Benchmark
Data Insights
Inspection Breakdown
Peer Comparison
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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 TOOL MANUFACTURING 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 TOOL MANUFACTURING 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 Cutting Tool and Machine Tool Accessory Manufacturing within MI
- MAPAL INC — PORT HURON — 3 federal records
- EAGLE TOOL COMPANY INC — IRON MOUNTAIN — 2 federal records
- HYDRA-LOCK CORPORATION — MOUNT CLEMENS — 2 federal records
- MIDWEST TOOL & CUTLERY CO — KALKASKA — 2 federal records
- RTS CUTTING TOOLS INC — CLINTON TOWNSHIP — 1 federal record
- HALLMARK TOOL GAGE CO INC — WIXOM — 1 federal record
- JADE TOOL INC — TRAVERSE CITY — 1 federal record
- RICHTER PRECISION INC. — FRASER — 1 federal record
- SALVO TOOL & ENGINEERING CO INC — BROWN CITY — 1 federal record
- MILLENNIUM TECHNOLOGY INC — ROMULUS — 1 federal record
Industry context
Within the cutting tool and machine tool accessory manufacturing industry in MI, DIAMOND TOOL MANUFACTURING ranks in the 93th percentile of OSHA violation frequency across 1,097 comparable establishments. That places this employer among the highest-violation establishments in its peer set.
OSHA penalty totals rank in the 90th percentile of the same peer group. Inspection frequency ranks in the 52th percentile.
The Bureau of Labor Statistics reports an industry-average Total Recordable Incident Rate (TRIR) of 1.2 for the cutting tool and machine tool accessory manufacturing sector, with a Days Away, Restricted, or Transferred (DART) rate of 0.5. DIAMOND TOOL MANUFACTURING's self-reported DART rate is 0, which is below the industry average.
Activity timeline
No federal enforcement activity has been recorded against this establishment in the past 24 months.
Frequently Asked Questions
- What is DIAMOND TOOL MANUFACTURING's OSHA violation history?
- DIAMOND TOOL MANUFACTURING has 2 OSHA inspections on record with 19 violations and $4,300 in total penalties.
- How does DIAMOND TOOL MANUFACTURING's safety record compare to its industry?
- DIAMOND TOOL MANUFACTURING operates in the cutting tool and machine tool accessory manufacturing industry. The industry average Total Recordable Incident Rate (TRIR) is 1.2. DIAMOND TOOL MANUFACTURING's self-reported DART rate is 0 compared to an industry average of 0.5.
About this data
This profile aggregates federal enforcement records on DIAMOND TOOL MANUFACTURING of PLYMOUTH, MI 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 2, 2026. DIAMOND TOOL MANUFACTURING resolves to the parent rollup QUANTUM CORP /DE/, which operates 1,580 establishments in our dataset.
This profile may be incomplete if DIAMOND TOOL MANUFACTURINGoperates 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.