Titanium forgings made from purchased metals, unfinished · California

Sierra Alloys

Irwindale, CA · ~70 workers · 2 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
5.1
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Sierra Alloys runs at 155% of its industry's injury rate - more dangerous than the typical Titanium forgings made from purchased metals, unfinished workplace, earning a grade D.

Sierra Alloys: 5.1 TCR = 155% of Titanium forgings made from purchased metals, unfinished BLS 3.3 · 2y Form 300A (see methodology below)

Sierra Alloys safety composite

Sierra Alloys scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on total case rate (tcr) (safer than 40%), blended into one 0-100 breakdown against same-industry peers. A missing measure drops out and redistributes its weight rather than deflating the score. This is a per-dimension breakdown, distinct from the single letter grade above it (which weights TCR alone against the BLS industry benchmark).

D

44/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 5.13 per 100 workers

Safer than 40% of industry peers

DART rate
D 2.54 per 100 workers

Safer than 44% of industry peers

Fatalities
D 0

Safer than 50% of industry peers

Benchmarked live against every credibly-rated employer in the same NAICS industry code in the current OSHA extract (a segment must have at least 8 rated peers to benchmark). Not a legal or compliance determination; PlainSafetyScore's own weighting (TCR 40%, DART 35%, fatalities 25%).

TCR Δ

−2.6

2023→2024

Sierra Alloys injury rate improved

Sierra Alloys's TCR fell 2.6 from 6.4 in 2023 to 3.8 in 2024. Peak filing year was 2023 at 6.4 TCR. In 2024, DART was 0.5× this establishment's average TCR (severity share of cases).

2023=6.4 · 2024=3.8

OSHA ITA Form 300A scorecard

Establishment book 332112 · Irwindale, CA ABOVE-IND · SMALL

Grade D · TCR 5.1 · 155% of ind

  • DART 2.5 DART
  • RANK #7/17
  • PHOTO Mueller Forging
  • BOOK 2y book
  • INJ 8 inj
  • SIZE ~70 FTE

Nearest TCR peer: Mueller Forging (0.0 TCR gap)

Read with this employer → · Industry book → · California employers → · Look up another →

Sierra Alloys in the TCR neighbourhood

Average Total Case Rate among this establishment and nearest same-industry peers

TCR

What this shows Sierra Alloys averages 5.1 TCR (155% of the Titanium forgings made from purchased metals, unfinished BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-09-26

Sierra Alloys TCR series: 2023=6.4 · 2024=3.8 · BLS 3.3

Where Sierra Alloys falls in its industry

65 Titanium forgings made from pu establishments

Safer than 40% of graded establishments in this industry, whose median TCR is 4.3.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #7 safest of 17 Titanium forgings made from pu employers in California.

Sierra Alloys (70 employees, TCR 5.1) among 29 same-industry peers, split at the industry median of 90 employees and a TCR of 4.3 2×2 strategic matrix plotting 30 entities by Average employees (X) and Total Case Rate (Y), with a crosshair dividing the plot into four quadrants. Larger & higher-riskSmaller & higher-riskLarger & saferSmaller & safer than peers 0100200300400500 051015 Average employees Total Case Rate Sierra Alloys
Sierra Alloys (70 employees, TCR 5.1) among 29 same-industry peers, split at the industry median of 90 employees and a TCR of 4.3

Sierra Alloys has fewer employees than the Titanium forgings made from purchased me median and a higher injury rate than the industry's median TCR of 4.3. Workforce size and injury rate do not always move together within the same industry -- some of its smaller peers run higher rates than its larger ones, and vice versa.

Year-by-Year Safety Data

Year TCR DART Injuries Illnesses Fatalities
2024 3.8 2.5 3 0 0
2023 6.4 6.4 5 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

332112 · CA · Irwindale

65 Titanium forgings made from purchased metals, unfinished employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 84 employers in Irwindale, CA · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR Mueller Forging 5.1 TCR
NAICS-TCR Mueller Impacts 4.9 TCR
NAICS-TCR Performance Forge Inc 4.7 TCR
NAICS-TCR Schlosser Forge Company 4.7 TCR
STATE-SIZE Residence Inn La Jolla by Marriott 70 FTE
STATE-SIZE Livermore Station 70 FTE
STATE-SIZE Hotel Spero 70 FTE
STATE-SIZE CW Convenient Couriers LLC 70 FTE
CITY-NEAR Haynes Building Service, LLC 635 FTE
CITY-NEAR Biosense Irwindale 486 FTE
CITY-NEAR CA-Irwindale Business Center 473 FTE
CITY-NEAR MillerCoors Irwindale Brewery 473 FTE
NAT-TCR Store 1467 5.1 TCR
NAT-TCR Husky Terminal and Stevedoring, LLC 5.1 TCR
NAT-TCR Crave Brothers Farmstead Cheese 5.1 TCR
NAT-TCR Wvlog - Logan 5.1 TCR
NAT-SIZE Ocean Terminal 70 FTE
NAT-SIZE Kendall Howard 70 FTE
NAT-SIZE The Blossoms at Hot Springs 70 FTE
NAT-SIZE Sparks Maintenance Contracting 70 FTE

Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →

Data Source: OSHA Injury Tracking Application (ITA), mandatory establishment-level injury/illness reports. Grades compare employer Total Case Rate (TCR) to BLS IIF industry benchmarks. Data covers years reported by this establishment: 2024, 2023. This is publicly available government data - not a legal determination of workplace conditions.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.