TAMCO STEEL SUBSIDIARY, INC. is a iron and steel mills and ferroalloy manufacturing employer in RANCHO CUCAMONGA, CA. Federal records show 1 OSHA inspection with 6 violations and $21,930 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.
TAMCO STEEL SUBSIDIARY, INC.
12459-B ARROW ROUTE, RANCHO CUCAMONGA, CA, 91739
Parent: COMMERCIAL METALS Co (137 locations)
331110 — Top companies in Iron and Steel Mills and Ferroalloy Manufacturing
Industry Benchmark
Data Insights
Inspection Breakdown
Peer Comparison
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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
TAMCO STEEL SUBSIDIARY, INC. is one of 137 establishments in our dataset that roll up under the parent organization COMMERCIAL METALS Co. COMMERCIAL METALS Co is a SEC public reporter (CMC), with most recent reported revenue of $7.8B.
Federal enforcement records on TAMCO STEEL SUBSIDIARY, INC. represent activity at this specific establishment. The full enforcement footprint of COMMERCIAL METALS Co across all 137 of its tracked locations is viewable on the parent profile.
Other establishments operated by COMMERCIAL METALS Co
- COMMERCIAL METALS COMPANY — SANTA ANA, CA — 2 federal records
- COMMERCIAL METALS COMPANY — ROSEVILLE, CA — 2 federal records
- CMC STEEL FABRICATORS INC DBA CMC REBAR — RANCHO CUCAMONGA, CA — 2 federal records
- TAMCO CONSTRUCTION — PHILADELPHIA, PA — 2 federal records
- COMMERCIAL METALS COMPANY — SAN DIEGO, CA — 2 federal records
- COMMERCIAL METALS COMPANY — LAKESIDE, CA — 2 federal records
- COMMERCIAL METALS COMPANY — COLLEGE STATION, TX — 2 federal records
- COMMERCIAL METALS COMPANY — OCALA, FL — 2 federal records
- COMMERCIAL METALS COMPANY — GAINESVILLE, FL — 2 federal records
- CMC STEEL FABRICATORS, INC. — MESA, AZ — 2 federal records
Other employers in Iron and Steel Mills and Ferroalloy Manufacturing within CA
- CRANE RENTAL SERVICE, INC. — EL SEGUNDO — 2 federal records
- CALIFORNIA STEEL INDUSTRIES INC — FONTANA — 2 federal records
- SCHLOSSER FORGE COMPANY — FONTANA — 2 federal records
- COMMERCIAL METALS CO. — RANCHO CUCAMONGA — 2 federal records
- GLAZIER STEEL INC. — ANTIOCH — 2 federal records
- GERLINGER FOUNDRY AND MACHINE WORKS, INC. — WOODLAND — 1 federal record
- TREE ISLAND WIRE USA INC. — RANCHO CUCAMONGA — 1 federal record
- THE HERRICK CORPORATION — SAN BERNARDINO — 1 federal record
- NORTHERN STRUCTURAL INC. — OAKLAND — 1 federal record
- HERRICK CORPORATION — STOCKTON — 1 federal record
Industry context
Within the iron and steel mills and ferroalloy manufacturing industry in CA, TAMCO STEEL SUBSIDIARY, INC. ranks in the 83th percentile of OSHA violation frequency across 81 comparable establishments. That places this employer among the highest-violation establishments in its peer set.
OSHA penalty totals rank in the 93th percentile of the same peer group.
The Bureau of Labor Statistics reports an industry-average Total Recordable Incident Rate (TRIR) of 1.9 for the iron and steel mills and ferroalloy manufacturing sector, with a Days Away, Restricted, or Transferred (DART) rate of 1.3.
Activity timeline
No federal enforcement activity has been recorded against this establishment in the past 10 years.
Frequently Asked Questions
- What is TAMCO STEEL SUBSIDIARY, INC.'s OSHA violation history?
- TAMCO STEEL SUBSIDIARY, INC. has 1 OSHA inspection on record with 6 violations and $21,930 in total penalties.
- How does TAMCO STEEL SUBSIDIARY, INC.'s safety record compare to its industry?
- TAMCO STEEL SUBSIDIARY, INC. operates in the iron and steel mills and ferroalloy manufacturing industry. The industry average Total Recordable Incident Rate (TRIR) is 1.9.
About this data
This profile aggregates federal enforcement records on TAMCO STEEL SUBSIDIARY, INC. of RANCHO CUCAMONGA, CA from 17 federal data sources. Records were found in 3 sources: OSHA workplace safety inspections, SEC XBRL companyfacts (parent financials), and BLS industry safety benchmarks. The remaining 14 sources were checked and found no matching records: WHD, MSHA, EPA, NLRB, OFLC, OFCCP, FMCSA, USAspending, SAM.gov, CMS, CPSC, NHTSA, UVA, SEC enforcement.
Establishments are matched across agencies using normalized employer name, state, and ZIP code. The dataset was last refreshed on May 3, 2026. TAMCO STEEL SUBSIDIARY, INC. resolves to the parent rollup COMMERCIAL METALS Co, which operates 137 establishments in our dataset.
This profile may be incomplete if TAMCO STEEL SUBSIDIARY, 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.