DIAMOND CONTRACTORS GROUP CORPORATION is a framing contractors employer in LONG BEACH, NJ. Federal records show 2 OSHA inspections with 6 violations and $185,692 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 CONTRACTORS GROUP CORPORATION
7 WEST 17TH STREET, LONG BEACH, NJ, 08008
Parent: QUANTUM CORP /DE/ (1,580 locations)
238130 — Top companies in Framing Contractors
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 CONTRACTORS GROUP CORPORATION 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 CONTRACTORS GROUP CORPORATION 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 Framing Contractors within NJ
- LAZZARO ASSOCIATES INC. — PARAMUS — 2 federal records
- CONSTRUCTION PROS OF NJ LLC — MONTCLAIR — 2 federal records
- O.A. PETERSON CONSTRUCTION CO INC — PARAMUS — 2 federal records
- O.A. PETERSON CONSTRUCTION CO INC — MAHWAH — 2 federal records
- ROY ROCK LLC. — ENGLEWOOD — 2 federal records
- BLUE RIDGE CONSTRUCTION, LLC. — FLORHAM PARK — 2 federal records
- CONSTRUCTION MANAGEMENT ASSOCIATES INC. — NEW BRUNSWICK — 2 federal records
- BUCK CONSTRUCTION, LLC — VOORHEES — 2 federal records
- CONSTRUCTION PROS OF NJ, LLC — PARSIPPANY — 2 federal records
- IBN CONSTRUCTION CORPORATION — NEWARK — 2 federal records
Industry context
Within the framing contractors industry in NJ, DIAMOND CONTRACTORS GROUP CORPORATION ranks in the 94th percentile of OSHA violation frequency across 12,667 comparable establishments. That places this employer among the highest-violation establishments in its peer set.
OSHA penalty totals rank in the 100th percentile of the same peer group. Inspection frequency ranks in the 92th percentile.
The Bureau of Labor Statistics reports an industry-average Total Recordable Incident Rate (TRIR) of 4.6 for the framing contractors sector, with a Days Away, Restricted, or Transferred (DART) rate of 3.4.
Activity timeline
Frequently Asked Questions
- What is DIAMOND CONTRACTORS GROUP CORPORATION's OSHA violation history?
- DIAMOND CONTRACTORS GROUP CORPORATION has 2 OSHA inspections on record with 6 violations and $185,692 in total penalties.
- How does DIAMOND CONTRACTORS GROUP CORPORATION's safety record compare to its industry?
- DIAMOND CONTRACTORS GROUP CORPORATION operates in the framing contractors industry. The industry average Total Recordable Incident Rate (TRIR) is 4.6.
About this data
This profile aggregates federal enforcement records on DIAMOND CONTRACTORS GROUP CORPORATION of LONG BEACH, NJ 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 3, 2026. DIAMOND CONTRACTORS GROUP CORPORATION resolves to the parent rollup QUANTUM CORP /DE/, which operates 1,580 establishments in our dataset.
This profile may be incomplete if DIAMOND CONTRACTORS GROUP CORPORATIONoperates 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.