Flower growing · Michigan

Four Star Greenhouse, Inc.

Carleton, MI · ~261 workers · 8 years of OSHA Injury Tracking Application data.

B
Good Safety Record
2.9
Avg TCR
4.5
Industry avg
0
Fatalities
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The verdict

Four Star Greenhouse, Inc. runs at 65% of its industry's injury rate - safer than the typical Flower growing workplace, earning a grade B.

Four Star Greenhouse, Inc.: 2.9 TCR = 65% of Flower growing BLS 4.5 · 8y Form 300A (see methodology below)

Four Star Greenhouse, Inc. safety composite

Four Star Greenhouse, Inc. scores strongest on total case rate (tcr) (safer than 73% 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

66/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 2.92 per 100 workers

Safer than 73% of industry peers

DART rate
C 0.68 per 100 workers

Safer than 68% 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%).

TCR Δ

−2.5

2016→2024

Four Star Greenhouse, Inc. injury rate improved

Four Star Greenhouse, Inc.'s TCR fell 2.5 from 3.8 in 2016 to 1.4 in 2024. Peak filing year was 2017 at 5.1 TCR. In 2024, DART was 0.23× this establishment's average TCR (severity share of cases).

2016=3.8 · 2017=5.1 · 2018=3.6 · 2019=2.6 · 2020=2.2 · 2021=1.9 · 2022=2.8 · 2024=1.4

OSHA ITA Form 300A scorecard

Establishment book 111422 · Carleton, MI AT/BELOW-IND · MID

Grade B · TCR 2.9 · 65% of ind

  • DART 0.7 DART
  • RANK #9/28
  • PHOTO Costa Farms, LLC
  • BOOK 8y book
  • INJ 52 inj
  • SIZE ~261 FTE

Nearest TCR peer: Costa Farms, LLC (0.1 TCR gap)

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

Four Star Greenhouse, Inc. in the TCR neighbourhood

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

TCR

What this shows Four Star Greenhouse, Inc. averages 2.9 TCR (65% of the Flower growing BLS benchmark).

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

Four Star Greenhouse, Inc. TCR series: 2016=3.8 · 2017=5.1 · 2018=3.6 · 2019=2.6 · 2020=2.2 · 2021=1.9 · 2022=2.8 · 2024=1.4 · BLS 4.5

Where Four Star Greenhouse, Inc. falls in its industry

166 Flower growing establishments

Safer than 73% of graded establishments in this industry, whose median TCR is 5.5.

More dangerous than peersSafer than peers

Narrower to Michigan alone (the establishments it most directly competes with for workers and contracts): ranked #9 safest of 28 Flower growing employers in Michigan.

Four Star Greenhouse, Inc. (261 employees, TCR 2.9) among 29 same-industry peers, split at the industry median of 63 employees and a TCR of 5.5 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 01,0002,0003,000 0510152025 Average employees Total Case Rate Four Star Greenhouse, Inc.
Four Star Greenhouse, Inc. (261 employees, TCR 2.9) among 29 same-industry peers, split at the industry median of 63 employees and a TCR of 5.5

Four Star Greenhouse, Inc. has more employees than the Flower growing median and a lower injury rate than the industry's median TCR of 5.5. 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 1.4 0.7 4 0 0
2022 2.8 1.7 7 1 0
2021 1.9 1.1 5 0 0
2020 2.2 1.3 4 1 0
2019 2.6 1.3 4 2 0
2018 3.6 0.4 8 1 0
2017 5.1 1.2 12 1 0
2016 3.8 2.1 8 1 0

OSHA ITA peer cross-reference

Establishment peer ledger

111422 · MI · Carleton

166 Flower growing employers nationwide with a credible TCR · 16,393 rated employers in Michigan with headcount on file · 11 employers in Carleton, 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 Costa Farms, LLC 3.0 TCR
NAICS-TCR C3 Industries, Inc - O'Fallon 2.9 TCR
NAICS-TCR California Pajarosa 2.9 TCR
NAICS-TCR Coastal Greenhouses - SC 2.8 TCR
STATE-SIZE Asahi Kasei Plastics North America 261 FTE
STATE-SIZE JOST INTERNATIONAL 261 FTE
STATE-SIZE Kelly Fuels 261 FTE
STATE-SIZE 5761 261 FTE
CITY-NEAR Guardian Industries -Carleton 327 FTE
CITY-NEAR Airport Community Schools 303 FTE
CITY-NEAR MANHEIM DETROIT 284 FTE
CITY-NEAR 0586 MANHEIM DETROIT 600 WILL CARLETON RD 281 FTE
NAT-TCR Messmer Mechanical, Inc. 2.9 TCR
NAT-TCR RLG - Ample 2.9 TCR
NAT-TCR Burlington Store Career Center 2.9 TCR
NAT-TCR Cosmic Plastics Inc 2.9 TCR
NAT-SIZE Eastern Fisheries 261 FTE
NAT-SIZE NewAge Industries Inc - Southampton 261 FTE
NAT-SIZE Production Products, Inc. 261 FTE
NAT-SIZE Bethany Village 261 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, 2022, 2021, 2020, 2019, 2018, 2017, 2016. 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.