Arborist services · Michigan

Thunder Bay Tree Service

Alpena, MI · ~46 workers · 3 years of OSHA Injury Tracking Application data.

C
Average Safety Record
4.0
Avg TCR
4.5
Industry avg
0
Fatalities
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The verdict

Thunder Bay Tree Service runs at 89% of its industry's injury rate - about level with the typical Arborist services workplace, earning a grade C.

Thunder Bay Tree Service: 4.0 TCR = 89% of Arborist services BLS 4.5 · 3y Form 300A (see methodology below)

Thunder Bay Tree Service safety composite

Thunder Bay Tree Service scores strongest on dart rate (safer than 84% of same-industry peers) and weakest on fatalities (safer than 52%), 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)
C 4 per 100 workers

Safer than 56% of industry peers

DART rate
B 0 per 100 workers

Safer than 84% 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

−5.0

2022→2024

Thunder Bay Tree Service injury rate improved

Thunder Bay Tree Service's TCR fell 5.0 from 5.0 in 2022 to 0.0 in 2024. Peak filing year was 2023 at 7.0 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2022=5.0 · 2023=7.0 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 561730 · Alpena, MI AT/BELOW-IND · SMALL

Grade C · TCR 4.0 · 89% of ind

  • DART 0.0 DART
  • RANK #41/91
  • PHOTO SC - Charleston
  • BOOK 3y book
  • INJ 6 inj
  • SIZE ~46 FTE

Nearest TCR peer: SC - Charleston (0.0 TCR gap)

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

Thunder Bay Tree Service in the TCR neighbourhood

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

TCR

What this shows Thunder Bay Tree Service averages 4.0 TCR (89% of the Arborist services BLS benchmark).

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

Thunder Bay Tree Service TCR series: 2022=5 · 2023=7 · 2024=0 · BLS 4.5

Where Thunder Bay Tree Service falls in its industry

2,875 Arborist services establishments

Safer than 56% of graded establishments in this industry, whose median TCR is 4.7.

More dangerous than peersSafer than peers

Narrower to Michigan alone (the establishments it most directly competes with for workers and contracts): ranked #41 safest of 91 Arborist services employers in Michigan.

Thunder Bay Tree Service (46 employees, TCR 4.0) 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 Thunder Bay Tree Service
Thunder Bay Tree Service (46 employees, TCR 4.0) among 29 same-industry peers, split at the industry median of 53 employees and a TCR of 4.7

Thunder Bay Tree Service has fewer 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
2024 0.0 0.0 0 0 0
2023 7.0 4.7 3 0 0
2022 5.0 5.0 3 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

561730 · MI · Alpena

2,875 Arborist services employers nationwide with a credible TCR · 16,393 rated employers in Michigan with headcount on file · 59 employers in Alpena, MI · 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 SC - Charleston 4.0 TCR
NAICS-TCR Earthscapes, Inc 4.0 TCR
NAICS-TCR 130631 4.0 TCR
NAICS-TCR 5754 - Champaign 4.0 TCR
STATE-SIZE Fresh Solution Farms 46 FTE
STATE-SIZE DBA FALKNER FARMS 46 FTE
STATE-SIZE ROB MAINTENANCE 46 FTE
STATE-SIZE EDL Energy 46 FTE
CITY-NEAR MidMichigan Medical Center - Alpena 857 FTE
CITY-NEAR Northeast MI Community Mental Health Authority 349 FTE
CITY-NEAR WM 2358 314 FTE
CITY-NEAR 2358 299 FTE
NAT-TCR Prism - 119 West Main 4.0 TCR
NAT-TCR Martin'S Food Markets 6424 4.0 TCR
NAT-TCR Giant 797 4.0 TCR
NAT-TCR South Dade Clinic 4.0 TCR
NAT-SIZE Monarch KYNJ 46 FTE
NAT-SIZE Vowell's Marketplace #4 Louisville 46 FTE
NAT-SIZE Addiction Recovery Care Association, Inc. 46 FTE
NAT-SIZE Eew American Offshore Structures Inc 46 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.