Fiberglass insulation products manufacturing · Ohio

MAI Manufacturing

Name: MAI Manufacturing Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Marysville, OH · ~36 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

A
Excellent Safety Record: 1.2
Avg TCR: 3.3
Industry avg: 0
Fatalities

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The verdict

MAI Manufacturing runs at 37% of its industry's injury rate - far safer than the typical Fiberglass insulation products manufacturing workplace, earning a grade A.

MAI Manufacturing: 1.2 TCR = 37% of Fiberglass insulation products manufacturing BLS 3.3 · 2y Form 300A (see methodology below)

MAI Manufacturing safety composite

MAI Manufacturing scores strongest on dart rate (safer than 82% of same-industry peers) and weakest on fatalities (safer than 50%), 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).

70/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): C 1.22 per 100 workers

Safer than 72% of industry peers
DART rate: B 0 per 100 workers

Safer than 82% 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

MAI Manufacturing: 0.0 → 2.4 TCR

Peak year 2023 @ 2.4 TCR · DART/TCR 0× in 2023

MAI Manufacturing's TCR rose 2.4 from 0.0 in 2020 to 2.4 in 2023. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 327993 · Marysville, OH AT/BELOW-IND · SMALL

Grade A · TCR 1.2 · 37% of ind

DART 0.0 DART
RANK #8/15
PHOTO McPherson
BOOK 2y book
INJ 1 inj
SIZE ~36 FTE

Nearest TCR peer: McPherson (0.0 TCR gap)

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

Armstrong Worl

1.3
This site

1.2
McPherson

1.2
Quietflex Manu

1.2
Armstrong Worl

1.1

What this shows MAI Manufacturing averages 1.2 TCR (37% of the Fiberglass insulation products manufacturing BLS benchmark).

MAI Manufacturing TCR series: 2020=0 · 2023=2.4 · BLS 3.3

Where MAI Manufacturing falls in its industry

101 Fiberglass insulation products establishments

Safer than 72% of graded establishments in this industry, whose median TCR is 2.2.

Grade A

More dangerous than peersSafer than peers

Narrower to Ohio alone (the establishments it most directly competes with for workers and contracts): ranked #8 safest of 15 Fiberglass insulation products employers in Ohio.

MAI Manufacturing (36 employees, TCR 1.2) among 29 same-industry peers, split at the industry median of 126 employees and a TCR of 2.2

MAI Manufacturing has fewer employees than the Fiberglass insulation products manufactu median and a lower injury rate than the industry's median TCR of 2.2. 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	2.4	0.0	1	0	0
2020	0.0	0.0	0	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

327993 · OH · Marysville

101 Fiberglass insulation products manufacturing employers nationwide with a credible TCR · 22,650 rated employers in Ohio with headcount on file · 69 employers in Marysville, OH · 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	McPherson	MCPHERSON, KS	1.2 TCR
NAICS-TCR	Quietflex Manufacturing Company, L.P.- Groveland Florida	GROVELAND, FL	1.2 TCR
NAICS-TCR	Armstrong World Industries - St. Helens	ST. HELENS, OR	1.3 TCR
NAICS-TCR	Armstrong World Industries, Millwood	MILLWOOD, WV	1.1 TCR
STATE-SIZE	STEYER SEEDS LLC	TIFFIN	36 FTE
STATE-SIZE	Biosecurity Building	FT. RECOVERY	36 FTE
STATE-SIZE	BrennCo Inc	ELIDA	36 FTE
STATE-SIZE	EAST CREEK FARM LLC	NEW BREMEN	36 FTE
CITY-NEAR	Marysville Auto Plant	Marysville	5,559 FTE
CITY-NEAR	Scioto Services, L.L.C.	Marysville	1,771 FTE
CITY-NEAR	The Scotts Company - Marysville Corp	Marysville	703 FTE
CITY-NEAR	Memorial Health	Marysville	701 FTE
NAT-TCR	ARxIUM Inc.	Buffalo Grove, IL	1.2 TCR
NAT-TCR	ITM	Schertz, TX	1.2 TCR
NAT-TCR	5 Minute Car Wash 2	Modesto, CA	1.2 TCR
NAT-TCR	Berry Global Inc. (TUOK Facility)	Tulsa, OK	1.2 TCR
NAT-SIZE	Oakley's of Muskogee	Muskogee, OK	36 FTE
NAT-SIZE	John A Biewer Co of Illinois	Seneca, IL	36 FTE
NAT-SIZE	Cooper Chase Construction	Fresno, CA	36 FTE
NAT-SIZE	TIS - PA - Fairless Hills	Fairless Hills, PA	36 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, 2020. 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.