Plumbing fixtures (e.g., shower stalls, toilets, urinals), plastics or fiberglass, manufacturing · Ohio

Mercury-Plastics LLC

Name: Mercury-Plastics LLC Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Middlefield, OH · ~287 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

B
Good Safety Record: 1.9
Avg TCR: 3.3
Industry avg: 0
Fatalities

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The verdict

Mercury-Plastics LLC runs at 56% of its industry's injury rate - safer than the typical Plumbing fixtures (e.g., shower stalls, toilets, urinals), plastics or fiberglass, manufacturing workplace, earning a grade B.

Mercury-Plastics LLC: 1.9 TCR = 56% of Plumbing fixtures (e.g., shower stalls, toilets, urinals), plastics or fiberglass, manufacturing BLS 3.3 · 2y Form 300A (see methodology below)

Mercury-Plastics LLC safety composite

Mercury-Plastics LLC scores strongest on total case rate (tcr) (safer than 85% 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).

67/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): B 1.86 per 100 workers

Safer than 85% of industry peers
DART rate: C 1.31 per 100 workers

Safer than 58% 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

−0.5

2020→2021

Mercury-Plastics LLC injury rate improved

Mercury-Plastics LLC's TCR fell 0.5 from 2.1 in 2020 to 1.6 in 2021. Peak filing year was 2020 at 2.1 TCR. In 2021, DART was 0.7× this establishment's average TCR (severity share of cases).

2020=2.1 · 2021=1.6

OSHA ITA Form 300A scorecard

Establishment book 326191 · Middlefield, OH AT/BELOW-IND · MID

Grade B · TCR 1.9 · 56% of ind

DART 1.3 DART
RANK #2/8
PHOTO Rynone Sayre
BOOK 2y book
INJ 9 inj
SIZE ~287 FTE

Nearest TCR peer: Rynone Sayre (0.0 TCR gap)

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1.9
Rynone Sayre

1.9
Kohler Co.

1.9
Cooper Compani

1.8
Arkansas Plast

1.8

What this shows Mercury-Plastics LLC averages 1.9 TCR (56% of the Plumbing fixtures (e.g., shower stalls, toilets, urinals), plastics or fiberglass, manufacturing BLS benchmark).

Mercury-Plastics LLC TCR series: 2020=2.1 · 2021=1.6 · BLS 3.3

Where Mercury-Plastics LLC falls in its industry

141 Plumbing fixtures (e.g., showe establishments

Safer than 85% of graded establishments in this industry, whose median TCR is 4.1.

Grade B

More dangerous than peersSafer than peers

Narrower to Ohio alone (the establishments it most directly competes with for workers and contracts): ranked #2 safest of 8 Plumbing fixtures (e.g., showe employers in Ohio.

Mercury-Plastics LLC (287 employees, TCR 1.9) among 29 same-industry peers, split at the industry median of 91 employees and a TCR of 4.1

Mercury-Plastics LLC has more employees than the Plumbing fixtures (e.g., shower stalls, median and a lower injury rate than the industry's median TCR of 4.1. 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
2021	1.6	1.3	5	0	0
2020	2.1	0.7	4	2	0

OSHA ITA peer cross-reference

Establishment peer ledger

326191 · OH · Middlefield

141 Plumbing fixtures (e.g., shower stalls, toilets, urinals), plastics or fiberglass, manufacturing employers nationwide with a credible TCR · 22,650 rated employers in Ohio with headcount on file · 50 employers in Middlefield, 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	Rynone Sayre	SAYRE, PA	1.9 TCR
NAICS-TCR	Cooper Companies Inc.	DAVISON, MI	1.8 TCR
NAICS-TCR	Kohler Co.	CASA GRANDE, AZ	1.9 TCR
NAICS-TCR	Arkansas Plastics Operations	SHERIDAN, AR	1.8 TCR
STATE-SIZE	Great Lakes Windows	WALBRIDGE	287 FTE
STATE-SIZE	Faurecia	FRANKLIN	287 FTE
STATE-SIZE	JEGS Automotive, LLC - Delaware	DELAWARE	287 FTE
STATE-SIZE	3581	ZANESVILLE	287 FTE
CITY-NEAR	Cabinetworks Group Middlefield Plant #2	Middlefield	1,031 FTE
CITY-NEAR	Masco Cabinetry Middlefield LLC Plant #2	Middlefield	971 FTE
CITY-NEAR	HC Companies - Middlefield	Middlefield	520 FTE
CITY-NEAR	Masco Cabinetry Middlefield LLC Plant #1	Middlefield	388 FTE
NAT-TCR	Dixie - Tulsa	Broken Arrow, OK	1.9 TCR
NAT-TCR	Hyundai of Las Vegas	Las Vegas, NV	1.9 TCR
NAT-TCR	Old Neighborohood Foods	Lynn, MA	1.9 TCR
NAT-TCR	Pentair Flow Technologies LLC New Brighton	New Brighton, MN	1.9 TCR
NAT-SIZE	Bosch Security Systems, Inc	Fairport, NY	287 FTE
NAT-SIZE	6458-ZLEL	Northampton, PA	287 FTE
NAT-SIZE	6458-ZJAM	Pearl, MS	287 FTE
NAT-SIZE	PHS - Waverly Gardens	North Oaks, MN	287 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: 2021, 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.