DIAMOND WINDOWS & DOORS MFG. INC is a wood window and door manufacturing employer in DORCHESTER, MA. Federal records show 2 OSHA inspections with 13 violations and $9,611 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 WINDOWS & DOORS MFG. INC
99 EAST COTTAGE STREET, DORCHESTER, MA, 02121
Parent: QUANTUM CORP /DE/ (1,580 locations)
321911 — Top companies in Wood Window and Door Manufacturing
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 WINDOWS & DOORS MFG. INC 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 WINDOWS & DOORS MFG. INC 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 Wood Window and Door Manufacturing within MA
- CUSTOM WOOD REPRODUCTIONS, INC. — WESTFIELD — 1 federal record
- BWI OF MASS, LLC — LEOMINSTER — 1 federal record
- ISLAND POND INDUSTRIES INC. — AGAWAM — 1 federal record
- THE JOINERY SHOP, INC. — CHARLESTOWN — 1 federal record
- SOUTH SHORE MILLWORK, INCORPORATED — NORTON — 1 federal record
- ARCHITECTURAL OPENINGS INC. — SOMERVILLE — 1 federal record
- BOSTON WINDOW & DOOR, LLC — HAVERHILL — 1 federal record
- JB SASH AND DOOR COMPANY INC — CHELSEA — 1 federal record
- ISLAND POND MILLWORK, INCORPORATED — SPRINGFIELD
- GARY JOLICOEUR — BLACKSTONE
Industry context
Within the wood window and door manufacturing industry in MA, DIAMOND WINDOWS & DOORS MFG. INC ranks in the 94th percentile of OSHA violation frequency across 199 comparable establishments. That places this employer among the highest-violation establishments in its peer set.
OSHA penalty totals rank in the 89th percentile of the same peer group. Inspection frequency ranks in the 73th percentile.
The Bureau of Labor Statistics reports an industry-average Total Recordable Incident Rate (TRIR) of 3.3 for the wood window and door manufacturing sector, with a Days Away, Restricted, or Transferred (DART) rate of 2.1.
Activity timeline
No federal enforcement activity has been recorded against this establishment in the past 12 years.
Frequently Asked Questions
- What is DIAMOND WINDOWS & DOORS MFG. INC's OSHA violation history?
- DIAMOND WINDOWS & DOORS MFG. INC has 2 OSHA inspections on record with 13 violations and $9,611 in total penalties.
- How does DIAMOND WINDOWS & DOORS MFG. INC's safety record compare to its industry?
- DIAMOND WINDOWS & DOORS MFG. INC operates in the wood window and door manufacturing industry. The industry average Total Recordable Incident Rate (TRIR) is 3.3.
About this data
This profile aggregates federal enforcement records on DIAMOND WINDOWS & DOORS MFG. INC of DORCHESTER, MA 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 WINDOWS & DOORS MFG. INC resolves to the parent rollup QUANTUM CORP /DE/, which operates 1,580 establishments in our dataset.
This profile may be incomplete if DIAMOND WINDOWS & DOORS MFG. INCoperates 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.