Ceramic kilns and furnaces manufacturing · California

SierraThermal, Inc.

Watsonville, CA · ~107 workers · 3 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
1.5
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

SierraThermal, Inc. runs at 47% of its industry's injury rate - far safer than the typical Ceramic kilns and furnaces manufacturing workplace, earning a grade A.

SierraThermal, Inc.: 1.5 TCR = 47% of Ceramic kilns and furnaces manufacturing BLS 3.3 · 3y Form 300A (see methodology below)

SierraThermal, Inc. safety composite

SierraThermal, Inc. scores strongest on total case rate (tcr) (safer than 83% of same-industry peers) and weakest on fatalities (safer than 51%), 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

65/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 1.54 per 100 workers

Safer than 83% of industry peers

DART rate
D 0.92 per 100 workers

Safer than 53% of industry peers

Fatalities
D 0

Safer than 51% 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

SierraThermal, Inc.: 0.0 → 1.8 TCR

Peak year 2023 @ 2.8 TCR · DART/TCR 0.6× in 2024

SierraThermal, Inc.'s TCR rose 1.8 from 0.0 in 2022 to 1.8 in 2024. Peak filing year was 2023 at 2.8 TCR. In 2024, DART was 0.6× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 333994 · Watsonville, CA AT/BELOW-IND · MID

Grade A · TCR 1.5 · 47% of ind

  • DART 0.9 DART
  • RANK #2/6
  • PHOTO Retech Systems LLC
  • BOOK 3y book
  • INJ 4 inj
  • SIZE ~107 FTE

Nearest TCR peer: Retech Systems LLC (0.0 TCR gap)

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

SierraThermal, Inc. in the TCR neighbourhood

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

TCR

What this shows SierraThermal, Inc. averages 1.5 TCR (47% of the Ceramic kilns and furnaces manufacturing BLS benchmark).

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

SierraThermal, Inc. TCR series: 2022=0 · 2023=2.8 · 2024=1.8 · BLS 3.3

Where SierraThermal, Inc. falls in its industry

103 Ceramic kilns and furnaces man establishments

Safer than 83% of graded establishments in this industry, whose median TCR is 3.4.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #2 safest of 6 Ceramic kilns and furnaces man employers in California.

SierraThermal, Inc. (107 employees, TCR 1.5) among 29 same-industry peers, split at the industry median of 65 employees and a TCR of 3.4 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 SierraThermal, Inc.
SierraThermal, Inc. (107 employees, TCR 1.5) among 29 same-industry peers, split at the industry median of 65 employees and a TCR of 3.4

SierraThermal, Inc. has more employees than the Ceramic kilns and furnaces manufacturing median and a lower injury rate than the industry's median TCR of 3.4. 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 1.8 0.9 2 0 0
2023 2.8 1.9 2 1 0
2022 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

333994 · CA · Watsonville

103 Ceramic kilns and furnaces manufacturing employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 111 employers in Watsonville, 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 Retech Systems LLC 1.6 TCR
NAICS-TCR LEWCO, Inc - Lane Street 1.6 TCR
NAICS-TCR HeatTek Plant 1 1.6 TCR
NAICS-TCR Harper International Corporation 1.6 TCR
STATE-SIZE Munger Bros, LLC 107 FTE
STATE-SIZE Growers Transplanting 107 FTE
STATE-SIZE Fondomonte California LLC - Blythe Ranch 107 FTE
STATE-SIZE West Coast Tomato Growers, Inc. 107 FTE
CITY-NEAR Corporate Office 2,439 FTE
CITY-NEAR Premiere Raspberries, LLC 680 FTE
CITY-NEAR Watsonville Community Hospital 632 FTE
CITY-NEAR Elkhorn Berry Farms LLC 550 FTE
NAT-TCR Englewood Construction Inc. 1.5 TCR
NAT-TCR Branch 3842 - Marietta 1.5 TCR
NAT-TCR McDonald Building Company 1.5 TCR
NAT-TCR Costech Lab 1.5 TCR
NAT-SIZE Reliable Contractors Inc 107 FTE
NAT-SIZE Bixby Electric 107 FTE
NAT-SIZE The Laurels of Pender 107 FTE
NAT-SIZE Atlas Roofing Corporation 107 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, 2022. 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.