DIAMOND EXCAVATING, INC. is a other foundation, structure, and building exterior contractors employer in GOLDEN, CO. Federal records show 1 OSHA inspection with 3 violations and $2,975 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 EXCAVATING, INC.
1600 ARAPAHOE STREET, GOLDEN, CO, 80401
Parent: QUANTUM CORP /DE/ (1,580 locations)
238190 — Top companies in Other Foundation, Structure, and Building Exterior Contractors
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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 EXCAVATING, 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 EXCAVATING, 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 Other Foundation, Structure, and Building Exterior Contractors within CO
- IRON WORKERS INC. — GREENWOOD VILLAGE — 1 federal record
- EVERLASTING STUCCO, LLC — DENVER — 1 federal record
- TOPPING OUT STEEL, INC. — CENTENNIAL — 1 federal record
- BONDS CONSTRUCTION, LLC. — DURANGO — 1 federal record
- FRONTLINE BUILDING SOLUTIONS LLC — LA SALLE — 1 federal record
- TROYER CONSTRUCTION — MONTE VISTA — 1 federal record
- COLORADO BACKHOE SERVICE — PUEBLO — 1 federal record
- SCHLESSMAN CONCRETE INC. — DURANGO — 1 federal record
- W.W.M.S. STEEL FABRICATION LLC — BROOMFIELD — 1 federal record
- BONDS CONSTRUCTION LLC — SILVERTON — 1 federal record
Industry context
Within the other foundation, structure, and building exterior contractors industry in CO, DIAMOND EXCAVATING, INC. ranks in the 82th percentile of OSHA violation frequency across 8,357 comparable establishments. That places this employer among the highest-violation establishments in its peer set.
OSHA penalty totals rank in the 70th percentile of the same peer group.
The Bureau of Labor Statistics reports an industry-average Total Recordable Incident Rate (TRIR) of 2.6 for the other foundation, structure, and building exterior contractors sector, with a Days Away, Restricted, or Transferred (DART) rate of 1.8.
Activity timeline
No federal enforcement activity has been recorded against this establishment in the past 15 years.
Frequently Asked Questions
- What is DIAMOND EXCAVATING, INC.'s OSHA violation history?
- DIAMOND EXCAVATING, INC. has 1 OSHA inspection on record with 3 violations and $2,975 in total penalties.
- How does DIAMOND EXCAVATING, INC.'s safety record compare to its industry?
- DIAMOND EXCAVATING, INC. operates in the other foundation, structure, and building exterior contractors industry. The industry average Total Recordable Incident Rate (TRIR) is 2.6.
About this data
This profile aggregates federal enforcement records on DIAMOND EXCAVATING, INC. of GOLDEN, CO 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 EXCAVATING, INC. resolves to the parent rollup QUANTUM CORP /DE/, which operates 1,580 establishments in our dataset.
This profile may be incomplete if DIAMOND EXCAVATING, INC.operates 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.