Arborist services · California

S.P. Mcclenahan Co Inc

Portola Valley, CA · ~54 workers · 3 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
7.6
Avg TCR
4.5
Industry avg
0
Fatalities
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The verdict

S.P. Mcclenahan Co Inc runs at 169% of its industry's injury rate - more dangerous than the typical Arborist services workplace, earning a grade D.

S.P. Mcclenahan Co Inc: 7.6 TCR = 169% of Arborist services BLS 4.5 · 3y Form 300A (see methodology below)

S.P. Mcclenahan Co Inc safety composite

S.P. Mcclenahan Co Inc scores strongest on dart rate (safer than 52% of same-industry peers) and weakest on total case rate (tcr) (safer than 27%), 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

42/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 7.62 per 100 workers

Safer than 27% of industry peers

DART rate
D 2.15 per 100 workers

Safer than 52% 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%).

TCR Δ

−3.1

2017→2020

S.P. Mcclenahan Co Inc injury rate improved

S.P. Mcclenahan Co Inc's TCR fell 3.1 from 7.4 in 2017 to 4.3 in 2020. Peak filing year was 2018 at 11.2 TCR. In 2020, DART was 0.28× this establishment's average TCR (severity share of cases).

2017=7.4 · 2018=11.2 · 2020=4.3

OSHA ITA Form 300A scorecard

Establishment book 561730 · Portola Valley, CA ABOVE-IND · SMALL

Grade D · TCR 7.6 · 169% of ind

  • DART 2.1 DART
  • RANK #288/448
  • PHOTO 5690 - Boston East
  • BOOK 3y book
  • INJ 10 inj
  • SIZE ~54 FTE

Nearest TCR peer: 5690 - Boston East (0.0 TCR gap)

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

S.P. Mcclenahan Co Inc in the TCR neighbourhood

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

TCR

What this shows S.P. Mcclenahan Co Inc averages 7.6 TCR (169% of the Arborist services BLS benchmark).

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

S.P. Mcclenahan Co Inc TCR series: 2017=7.4 · 2018=11.2 · 2020=4.3 · BLS 4.5

Where S.P. Mcclenahan Co Inc falls in its industry

2,875 Arborist services establishments

Safer than 27% 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 #288 safest of 448 Arborist services employers in California.

S.P. Mcclenahan Co Inc (54 employees, TCR 7.6) 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 S.P. Mcclenahan Co Inc
S.P. Mcclenahan Co Inc (54 employees, TCR 7.6) among 29 same-industry peers, split at the industry median of 53 employees and a TCR of 4.7

S.P. Mcclenahan Co Inc has more employees than the Arborist services median and a higher 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
2020 4.3 2.1 1 1 0
2018 11.2 11.2 6 0 0
2017 7.4 5.6 3 1 0

OSHA ITA peer cross-reference

Establishment peer ledger

561730 · CA · Portola Valley

2,875 Arborist services employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 6 employers in Portola Valley, 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 5690 - Boston East 7.6 TCR
NAICS-TCR SLS Outdoor Living 7.6 TCR
NAICS-TCR 5126 - Harrington 7.6 TCR
NAICS-TCR ALL 7.6 TCR
STATE-SIZE Sea Mist Farms 54 FTE
STATE-SIZE Harold E. Robben, Jr. 54 FTE
STATE-SIZE Jose Maria Perez 54 FTE
STATE-SIZE Pauma Valley 54 FTE
CITY-NEAR Sequoias Portola Valley 118 FTE
CITY-NEAR SEQUOIA LIVING - POR 50 FTE
CITY-NEAR Treeland TSJ 41 FTE
CITY-NEAR Portola Valley 40 FTE
NAT-TCR Mid South #728 7.6 TCR
NAT-TCR Noltex Truss Midland 7.6 TCR
NAT-TCR Holiday Inn Bozeman 7.6 TCR
NAT-TCR Clegg's Pest Control - Smithfield 7.6 TCR
NAT-SIZE Conover Regulator Plant 54 FTE
NAT-SIZE Marinemax East, Inc.-Orc 54 FTE
NAT-SIZE Solo Cup Company Hampstead 54 FTE
NAT-SIZE James River Grounds Management 716 54 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: 2020, 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.