Machine shops · California

Schaffer Grinding Co.

Montebello, CA · ~28 workers · 3 years of OSHA Injury Tracking Application data.

C
Average Safety Record
3.2
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Schaffer Grinding Co. runs at 98% of its industry's injury rate - about level with the typical Machine shops workplace, earning a grade C.

Schaffer Grinding Co.: 3.2 TCR = 98% of Machine shops BLS 3.3 · 3y Form 300A (see methodology below)

Schaffer Grinding Co. safety composite

Schaffer Grinding Co. scores strongest on dart rate (safer than 75% of same-industry peers) and weakest on fatalities (safer than 50%), 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).

C

60/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 3.23 per 100 workers

Safer than 54% of industry peers

DART rate
B 0 per 100 workers

Safer than 75% 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%).

Schaffer Grinding Co. held a steady TCR band

Schaffer Grinding Co.'s TCR held near 0.0 from 0.0 in 2017 to 0.0 in 2021. Peak filing year was 2018 at 9.7 TCR. In 2021, DART was 0× this establishment's average TCR (severity share of cases).

2017=0.0 · 2018=9.7 · 2021=0.0

OSHA ITA Form 300A scorecard

Establishment book 332710 · Montebello, CA AT/BELOW-IND · SMALL

Grade C · TCR 3.2 · 98% of ind

  • DART 0.0 DART
  • RANK #63/126
  • PHOTO Romac Electronics Inc
  • BOOK 3y book
  • INJ 3 inj
  • SIZE ~28 FTE

Nearest TCR peer: Romac Electronics Inc (0.0 TCR gap)

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

Schaffer Grinding Co. in the TCR neighbourhood

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

TCR

What this shows Schaffer Grinding Co. averages 3.2 TCR (98% of the Machine shops BLS benchmark).

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

Schaffer Grinding Co. TCR series: 2017=0 · 2018=9.7 · 2021=0 · BLS 3.3

Where Schaffer Grinding Co. falls in its industry

1,821 Machine shops establishments

Safer than 54% of graded establishments in this industry, whose median TCR is 3.5.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #63 safest of 126 Machine shops employers in California.

Schaffer Grinding Co. (28 employees, TCR 3.2) among 29 same-industry peers, split at the industry median of 48 employees and a TCR of 3.5 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 050100150200250 051015 Average employees Total Case Rate Schaffer Grinding Co.
Schaffer Grinding Co. (28 employees, TCR 3.2) among 29 same-industry peers, split at the industry median of 48 employees and a TCR of 3.5

Schaffer Grinding Co. has fewer employees than the Machine shops median and a lower injury rate than the industry's median TCR of 3.5. 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
2021 0.0 0.0 0 0 0
2018 9.7 6.5 3 0 0
2017 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

332710 · CA · Montebello

1,821 Machine shops employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 86 employers in Montebello, 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 Romac Electronics Inc 3.2 TCR
NAICS-TCR Primetals Technologies - Warren 3.2 TCR
NAICS-TCR Sparton Technology Corp 3.2 TCR
NAICS-TCR Modern Advanced Manufacturing 3.3 TCR
STATE-SIZE Davis Ranch L.L.C. 28 FTE
STATE-SIZE Steinbeck Country Produce 28 FTE
STATE-SIZE Harlan Family Ranch 28 FTE
STATE-SIZE KKG Equipment Company, LLC32 28 FTE
CITY-NEAR Beverly Hospital 878 FTE
CITY-NEAR City of Montebello 513 FTE
CITY-NEAR Rio Hondo Subacute and Nursing Center 489 FTE
CITY-NEAR MONTEBELLO CA PLANT 344 FTE
NAT-TCR Grand Terrace Rehabilitation and Health Care 3.2 TCR
NAT-TCR Staples London FC 3.2 TCR
NAT-TCR Central Laboratory 3.2 TCR
NAT-TCR RLS Gress 3.2 TCR
NAT-SIZE QCDRM - Albuquerque 28 FTE
NAT-SIZE Town of East Haven General Government 28 FTE
NAT-SIZE Swg Yuma Dist Ofc & Ops Cntr 0048-Fac41 28 FTE
NAT-SIZE Hilton Garden Inn Gainesville 28 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: 2021, 2018, 2017. 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.