Lithium batteries, primary, manufacturing · California

Proterra, Burlingame

Burlingame, CA · ~137 workers · 2 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
1.3
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Proterra, Burlingame runs at 40% of its industry's injury rate - far safer than the typical Lithium batteries, primary, manufacturing workplace, earning a grade A.

Proterra, Burlingame: 1.3 TCR = 40% of Lithium batteries, primary, manufacturing BLS 3.3 · 2y Form 300A (see methodology below)

Proterra, Burlingame safety composite

Proterra, Burlingame scores strongest on total case rate (tcr) (safer than 67% 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

58/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 1.33 per 100 workers

Safer than 67% of industry peers

DART rate
D 0.68 per 100 workers

Safer than 54% 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

−1.3

2020→2023

Proterra, Burlingame injury rate improved

Proterra, Burlingame's TCR fell 1.3 from 2.0 in 2020 to 0.7 in 2023. Peak filing year was 2020 at 2.0 TCR. In 2023, DART was 0.51× this establishment's average TCR (severity share of cases).

2020=2.0 · 2023=0.7

OSHA ITA Form 300A scorecard

Establishment book 335912 · Burlingame, CA AT/BELOW-IND · MID

Grade A · TCR 1.3 · 40% of ind

  • DART 0.7 DART
  • RANK P67
  • PHOTO Greatbatch Medical
  • BOOK 2y book
  • INJ 4 inj
  • SIZE ~137 FTE

Nearest TCR peer: Greatbatch Medical (0.1 TCR gap)

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

Proterra, Burlingame in the TCR neighbourhood

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

TCR

What this shows Proterra, Burlingame averages 1.3 TCR (40% of the Lithium batteries, primary, manufacturing BLS benchmark).

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

Proterra, Burlingame TCR series: 2020=2 · 2023=0.7 · BLS 3.3

Where Proterra, Burlingame falls in its industry

42 Lithium batteries, primary, ma establishments

Safer than 67% of graded establishments in this industry, whose median TCR is 2.0.

More dangerous than peersSafer than peers
Proterra, Burlingame (137 employees, TCR 1.3) among 29 same-industry peers, split at the industry median of 181 employees and a TCR of 2.0 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 02004006008001,000 02468 Average employees Total Case Rate Proterra, Burlingame
Proterra, Burlingame (137 employees, TCR 1.3) among 29 same-industry peers, split at the industry median of 181 employees and a TCR of 2.0

Proterra, Burlingame has fewer employees than the Lithium batteries, primary, manufacturin median and a lower injury rate than the industry's median TCR of 2.0. 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
2023 0.7 0.7 1 0 0
2020 2.0 2.0 3 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

335912 · CA · Burlingame

42 Lithium batteries, primary, manufacturing employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 93 employers in Burlingame, 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 Greatbatch Medical 1.4 TCR
NAICS-TCR Green Cubes Technology, LLC 1.4 TCR
NAICS-TCR Bennington, VT, USA 1.4 TCR
NAICS-TCR Robert Bosch Battery Systems, LLC 1.4 TCR
STATE-SIZE DIVERSIFIED FARM LABOR INC 137 FTE
STATE-SIZE A C FARM LABOR CONTRACTOR INC 137 FTE
STATE-SIZE IN Farms Inc 137 FTE
STATE-SIZE BVLS 137 FTE
CITY-NEAR Mills-Peninsula Medical Center (360-22) 1,835 FTE
CITY-NEAR Sutter Bay Hospitals (30191) 1,765 FTE
CITY-NEAR 2453-00060388-60388 909 FTE
CITY-NEAR SFO-SPUSA 512 FTE
NAT-TCR Louisville Operations 1.3 TCR
NAT-TCR Bio-Rad Laboratories-EDx-Ft Worth 1.3 TCR
NAT-TCR Safeway Construction Enterprises LLC 1.3 TCR
NAT-TCR SKF USA Inc. - Muskegon 1.3 TCR
NAT-SIZE 8406 Kao 137 FTE
NAT-SIZE TX010 Acme Gypsum 137 FTE
NAT-SIZE Doylestown 137 FTE
NAT-SIZE Commercial Drive #207 137 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: 2023, 2020. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.