Metal stampings (except automotive, cans, coins), unfinished, manufacturing · California

Serra Manufacturing Corporation

Rancho Dominguez, CA · ~47 workers · 2 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
7.1
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Serra Manufacturing Corporation runs at 215% of its industry's injury rate - far more dangerous than the typical Metal stampings (except automotive, cans, coins), unfinished, manufacturing workplace, earning a grade F.

Serra Manufacturing Corporation: 7.1 TCR = 215% of Metal stampings (except automotive, cans, coins), unfinished, manufacturing BLS 3.3 · 2y Form 300A (see methodology below)

Serra Manufacturing Corporation safety composite

Serra Manufacturing Corporation scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 3%), 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).

F

24/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 7.09 per 100 workers

Safer than 27% of industry peers

DART rate
F 10.53 per 100 workers

Safer than 3% 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%).

Rising injury rate

Serra Manufacturing Corporation: 3.7 → 10.5 TCR

Peak year 2018 @ 10.5 TCR · DART/TCR 1.49× in 2018

Serra Manufacturing Corporation's TCR rose 6.9 from 3.7 in 2017 to 10.5 in 2018. In 2018, DART was 1.49× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 332119 · Rancho Dominguez, CA ABOVE-IND · SMALL

Grade F · TCR 7.1 · 215% of ind

  • DART 10.5 DART
  • RANK #13/16
  • PHOTO LH Stamping
  • BOOK 2y book
  • INJ 8 inj
  • SIZE ~47 FTE

Nearest TCR peer: LH Stamping (0.0 TCR gap)

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

Serra Manufacturing Corporation in the TCR neighbourhood

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

TCR

What this shows Serra Manufacturing Corporation averages 7.1 TCR (215% of the Metal stampings (except automotive, cans, coins), unfinished, manufacturing BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

Serra Manufacturing Corporation TCR series: 2017=3.7 · 2018=10.5 · BLS 3.3

Where Serra Manufacturing Corporation falls in its industry

477 Metal stampings (except automo establishments

Safer than 27% of graded establishments in this industry, whose median TCR is 5.1.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #13 safest of 16 Metal stampings (except automo employers in California.

Serra Manufacturing Corporation (47 employees, TCR 7.1) among 29 same-industry peers, split at the industry median of 62 employees and a TCR of 5.1 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 0100200300400 0510152025 Average employees Total Case Rate Serra Manufacturing Corporation
Serra Manufacturing Corporation (47 employees, TCR 7.1) among 29 same-industry peers, split at the industry median of 62 employees and a TCR of 5.1

Serra Manufacturing Corporation has fewer employees than the Metal stampings (except automotive, cans median and a higher injury rate than the industry's median TCR of 5.1. 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
2018 10.5 10.5 6 0 0
2017 3.7 3.7 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

332119 · CA · Rancho Dominguez

477 Metal stampings (except automotive, cans, coins), unfinished, manufacturing employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 66 employers in Rancho Dominguez, 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 LH Stamping 7.1 TCR
NAICS-TCR KTEK WI 7.1 TCR
NAICS-TCR atlas tool 7.1 TCR
NAICS-TCR Richard H Smith dba Fine Line Production/2221 7.1 TCR
STATE-SIZE Bowles Farming Company,Inc. 47 FTE
STATE-SIZE Ruiz Farm Labor 47 FTE
STATE-SIZE Fresh Valley Harvesting, LLC. 47 FTE
STATE-SIZE Timothy & Viguie C.S.V. 47 FTE
CITY-NEAR Brock West, LLC 2,008 FTE
CITY-NEAR Aegion Energy Services 1,533 FTE
CITY-NEAR Murray Company 922 FTE
CITY-NEAR T.R.S.C., Inc. 576 FTE
NAT-TCR Suiza - Spartanburg OTR 7.1 TCR
NAT-TCR Norris Public Power District 7.1 TCR
NAT-TCR Ach Mercy Hospital - Council Bluffs 7.1 TCR
NAT-TCR Brookdale Dedham 7.1 TCR
NAT-SIZE 6 Eastmans Rd 47 FTE
NAT-SIZE Graber & Graber Contractors Inc 47 FTE
NAT-SIZE Compassionate Care Hospice of Athens 47 FTE
NAT-SIZE Shopko Store #141 (Burlington, IA) 47 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: 2018, 2017. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.