Arborist services · California

Wilhelm, LLC

Santa Rosa, CA · ~280 workers · 3 years of OSHA Injury Tracking Application data.

B
Good Safety Record
3.5
Avg TCR
4.5
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

Wilhelm, LLC runs at 77% of its industry's injury rate - safer than the typical Arborist services workplace, earning a grade B.

Wilhelm, LLC: 3.5 TCR = 77% of Arborist services BLS 4.5 · 3y Form 300A (see methodology below)

Wilhelm, LLC safety composite

Wilhelm, LLC scores strongest on total case rate (tcr) (safer than 62% of same-industry peers) and weakest on dart rate (safer than 28%), 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

48/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 3.46 per 100 workers

Safer than 62% of industry peers

DART rate
F 4.87 per 100 workers

Safer than 28% of industry peers

Fatalities
D 0

Safer than 52% 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

Wilhelm, LLC: 3.2 → 4.9 TCR

Peak year 2021 @ 4.9 TCR · DART/TCR 1.41× in 2021

Wilhelm, LLC's TCR rose 1.6 from 3.2 in 2019 to 4.9 in 2021. In 2021, DART was 1.41× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 561730 · Santa Rosa, CA AT/BELOW-IND · MID

Grade B · TCR 3.5 · 77% of ind

  • DART 4.9 DART
  • RANK #150/448
  • PHOTO Marina Landscape Inc
  • BOOK 3y book
  • INJ 24 inj
  • SIZE ~280 FTE

Nearest TCR peer: Marina Landscape Inc (0.0 TCR gap)

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

Wilhelm, LLC in the TCR neighbourhood

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

TCR

What this shows Wilhelm, LLC averages 3.5 TCR (77% of the Arborist services BLS benchmark).

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

Wilhelm, LLC TCR series: 2019=3.2 · 2020=2.3 · 2021=4.9 · BLS 4.5

Where Wilhelm, LLC falls in its industry

2,875 Arborist services establishments

Safer than 62% of graded establishments in this industry, whose median TCR is 4.7.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #150 safest of 448 Arborist services employers in California.

Wilhelm, LLC (280 employees, TCR 3.5) among 29 same-industry peers, split at the industry median of 53 employees and a TCR of 4.7 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 0200400600800 051015 Average employees Total Case Rate Wilhelm, LLC
Wilhelm, LLC (280 employees, TCR 3.5) among 29 same-industry peers, split at the industry median of 53 employees and a TCR of 4.7

Wilhelm, LLC has more employees than the Arborist services median and a lower injury rate than the industry's median TCR of 4.7. 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 4.9 4.9 9 0 0
2020 2.3 1.6 7 0 0
2019 3.2 2.4 8 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

561730 · CA · Santa Rosa

2,875 Arborist services employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 344 employers in Santa Rosa, 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 Marina Landscape Inc 3.5 TCR
NAICS-TCR Lewis Tree Service, Inc. 3.5 TCR
NAICS-TCR Meyer Landscape & Design Inc 3.5 TCR
NAICS-TCR Top Notch Lawn Care 3.5 TCR
STATE-SIZE Farm Labor Contractor 280 FTE
STATE-SIZE L&G FARMING, INC. 280 FTE
STATE-SIZE Calpine Geysers 280 FTE
STATE-SIZE Bernards Builders 280 FTE
CITY-NEAR California Department of Transportation Facility 543 2,891 FTE
CITY-NEAR 2032-02121251 2,209 FTE
CITY-NEAR 2004-00001480 1,970 FTE
CITY-NEAR CA720 SANTA ROSA MEMORIAL HOSPITAL HR 1,806 FTE
NAT-TCR Waterloo Piggly Wiggly 3.5 TCR
NAT-TCR Bruce, WI 3.5 TCR
NAT-TCR Bentley Door 3.5 TCR
NAT-TCR Providence Behavioral Hlth Hosp 3.5 TCR
NAT-SIZE Beckett 280 FTE
NAT-SIZE Yakima Valley School 280 FTE
NAT-SIZE Pinnacle Services Inc 280 FTE
NAT-SIZE Lake City Community Hospital 280 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, 2020, 2019. 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.