DIAMOND B CONSTRUCTORS INC is a plumbing, heating, and air-conditioning contractors employer in ANACORTES, WA. Federal records show 1 OSHA inspection with 1 violation and $900 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 B CONSTRUCTORS INC
8505 S TEXAS RD, ANACORTES, WA, 98221
Parent: QUANTUM CORP /DE/ (1,580 locations)
238220 — Top companies in Plumbing, Heating, and Air-Conditioning Contractors
Industry Benchmark
Data Insights
Inspection Breakdown
Peer Comparison
Labor Relations (NLRB)
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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 B CONSTRUCTORS 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 B CONSTRUCTORS 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 Plumbing, Heating, and Air-Conditioning Contractors within WA
- KNIGHT FIRE PROTECTION INC — OLYMPIA — 2 federal records
- SPRINX FIRE PROTECTION INC — PUYALLUP — 2 federal records
- KTU OF SPOKANE INC — CHENEY — 2 federal records
- OXARC INC — MOSES LAKE — 2 federal records
- PETROCHEM INSULATION INC — VANCOUVER — 2 federal records
- SUNSET AIR INC — LACEY — 2 federal records
- WOLFE HEAT & FIRE INC — SEATTLE — 2 federal records
- MECHANICAL & CONTROL SERVICES — WENATCHEE — 2 federal records
- AIR PRO HEATING & COOLING LLC — LONGVIEW — 2 federal records
- BIG SKY INDUSTRIAL — SPOKANE — 2 federal records
Industry context
Within the plumbing, heating, and air-conditioning contractors industry in WA, DIAMOND B CONSTRUCTORS INC ranks in the 62th percentile of OSHA violation frequency across 4,447 comparable establishments.
OSHA penalty totals rank in the 84th percentile of the same peer group.
The Bureau of Labor Statistics reports an industry-average Total Recordable Incident Rate (TRIR) of 3 for the plumbing, heating, and air-conditioning contractors sector, with a Days Away, Restricted, or Transferred (DART) rate of 1.7.
Activity timeline
No federal enforcement activity has been recorded against this establishment in the past 17 years.
Frequently Asked Questions
- What is DIAMOND B CONSTRUCTORS INC's OSHA violation history?
- DIAMOND B CONSTRUCTORS INC has 1 OSHA inspection on record with 1 violation and $900 in total penalties.
- How does DIAMOND B CONSTRUCTORS INC's safety record compare to its industry?
- DIAMOND B CONSTRUCTORS INC operates in the plumbing, heating, and air-conditioning contractors industry. The industry average Total Recordable Incident Rate (TRIR) is 3.
About this data
This profile aggregates federal enforcement records on DIAMOND B CONSTRUCTORS INC of ANACORTES, WA from 17 federal data sources. Records were found in 5 sources: OSHA workplace safety inspections, NLRB labor relations cases, SEC Litigation Releases, SEC XBRL companyfacts (parent financials), and BLS industry safety benchmarks. The remaining 12 sources were checked and found no matching records: WHD, MSHA, EPA, 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 B CONSTRUCTORS INC resolves to the parent rollup QUANTUM CORP /DE/, which operates 1,580 establishments in our dataset.
This profile may be incomplete if DIAMOND B CONSTRUCTORS 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.