Tanks, storage, plastics or fiberglass, manufacturing · Michigan

Great Lakes Composite, LLC

Name: Great Lakes Composite, LLC Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Owosso, MI · ~80 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

F
Failing Safety Record: 7.1
Avg TCR: 3.3
Industry avg: 0
Fatalities

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The verdict

Great Lakes Composite, LLC runs at 215% of its industry's injury rate - far more dangerous than the typical Tanks, storage, plastics or fiberglass, manufacturing workplace, earning a grade F.

Great Lakes Composite, LLC: 7.1 TCR = 215% of Tanks, storage, plastics or fiberglass, manufacturing BLS 3.3 · 2y Form 300A (see methodology below)

Great Lakes Composite, LLC safety composite

Great Lakes Composite, LLC scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 16%), 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).

25/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): F 7.09 per 100 workers

Safer than 17% of industry peers
DART rate: F 5.13 per 100 workers

Safer than 16% 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%).

Rising injury rate

Great Lakes Composite, LLC: 3.9 → 10.3 TCR

Peak year 2023 @ 10.3 TCR · DART/TCR 0.72× in 2023

Great Lakes Composite, LLC's TCR rose 6.3 from 3.9 in 2022 to 10.3 in 2023. In 2023, DART was 0.72× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 326199 · Owosso, MI ABOVE-IND · SMALL

Grade F · TCR 7.1 · 215% of ind

DART 5.1 DART
RANK #183/218
PHOTO Plastic Products Co.…
BOOK 2y book
INJ 6 inj
SIZE ~80 FTE

Nearest TCR peer: Plastic Products Co., Inc. - Moline (0.0 TCR gap)

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This site

7.1
Plastic Produc

7.1
Progressive To

7.1
Burlington

7.1
Engineered Pla

7.1

What this shows Great Lakes Composite, LLC averages 7.1 TCR (215% of the Tanks, storage, plastics or fiberglass, manufacturing BLS benchmark).

Great Lakes Composite, LLC TCR series: 2022=3.9 · 2023=10.3 · BLS 3.3

Where Great Lakes Composite, LLC falls in its industry

2,838 Tanks, storage, plastics or fi establishments

Safer than 17% of graded establishments in this industry, whose median TCR is 3.5.

Grade F

More dangerous than peersSafer than peers

Narrower to Michigan alone (the establishments it most directly competes with for workers and contracts): ranked #183 safest of 218 Tanks, storage, plastics or fi employers in Michigan.

Great Lakes Composite, LLC (80 employees, TCR 7.1) among 29 same-industry peers, split at the industry median of 101 employees and a TCR of 3.5

Great Lakes Composite, LLC has fewer employees than the Tanks, storage, plastics or fiberglass, median and a higher injury rate than the industry's median TCR of 3.5. 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
2023	10.3	5.1	4	0	0
2022	3.9	1.3	2	1	0

OSHA ITA peer cross-reference

Establishment peer ledger

326199 · MI · Owosso

2,838 Tanks, storage, plastics or fiberglass, manufacturing employers nationwide with a credible TCR · 16,393 rated employers in Michigan with headcount on file · 34 employers in Owosso, MI · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel	Establishment	Place	Metric
NAICS-TCR	Plastic Products Co., Inc. - Moline	MOLINE, IL	7.1 TCR
NAICS-TCR	Progressive Tool & Manufacturing Company Inc.	PINE ISLAND, MN	7.1 TCR
NAICS-TCR	Burlington	BURLINGTON, KS	7.1 TCR
NAICS-TCR	Engineered Plastics West	LAKE CITY, PA	7.1 TCR
STATE-SIZE	Country Dairy, Inc.	NEW ERA	80 FTE
STATE-SIZE	North Area Energy Center	CASS CITY	80 FTE
STATE-SIZE	Howell SC	HOWELL	80 FTE
STATE-SIZE	AL'S ASPHALT PAVING CO	TAYLOR	80 FTE
CITY-NEAR	Memorial Healthcare	Owosso	1,291 FTE
CITY-NEAR	WM 1733	Owosso	291 FTE
CITY-NEAR	1733	Owosso	286 FTE
CITY-NEAR	Crest Marine	Owosso	277 FTE
NAT-TCR	Napoleon Spring Works	Archbold, OH	7.1 TCR
NAT-TCR	Chaparral house	Berkeley, CA	7.1 TCR
NAT-TCR	ABC Las Cruces	Mesilla Park, NM	7.1 TCR
NAT-TCR	East Ridge at Cutler Bay	Cutler Bay, FL	7.1 TCR
NAT-SIZE	Industrial Flow Solutions Operating LLC	New Haven, CT	80 FTE
NAT-SIZE	Bluefin, LLC	Greenwood Village, CO	80 FTE
NAT-SIZE	Mt. Vernon Health Care	Mt. Vernon, IL	80 FTE
NAT-SIZE	Sioux City Cargill Crush and Refinery	Sioux City, IA	80 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, 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.