Mechanical contractors · Ohio

Custom Mechanical Systems, Corp

Name: Custom Mechanical Systems, Corp Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Maumee, OH · ~88 workers · 3 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

A
Excellent Safety Record: 0.8
Avg TCR: 2.8
Industry avg: 0
Fatalities

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The verdict

Custom Mechanical Systems, Corp runs at 28% of its industry's injury rate - far safer than the typical Mechanical contractors workplace, earning a grade A.

Custom Mechanical Systems, Corp: 0.8 TCR = 28% of Mechanical contractors BLS 2.8 · 3y Form 300A (see methodology below)

Custom Mechanical Systems, Corp safety composite

Custom Mechanical Systems, Corp scores strongest on total case rate (tcr) (safer than 92% 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).

78/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): A 0.77 per 100 workers

Safer than 92% of industry peers
DART rate: B 0 per 100 workers

Safer than 80% 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

−0.6

2019→2021

Custom Mechanical Systems, Corp injury rate improved

Custom Mechanical Systems, Corp's TCR fell 0.6 from 1.5 in 2019 to 0.9 in 2021. Peak filing year was 2019 at 1.5 TCR. In 2021, DART was 0× this establishment's average TCR (severity share of cases).

2019=1.5 · 2020=0.0 · 2021=0.9

OSHA ITA Form 300A scorecard

Establishment book 238220 · Maumee, OH AT/BELOW-IND · SMALL

Grade A · TCR 0.8 · 28% of ind

DART 0.0 DART
RANK #24/300
PHOTO Simakas Company, Inc.
BOOK 3y book
INJ 2 inj
SIZE ~88 FTE

Nearest TCR peer: Simakas Company, Inc. (0.0 TCR gap)

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

This site

0.8
Simakas Compan

0.8
Armistead Mech

0.8
Letsos Company

0.8
Moody Sprinkle

0.8

What this shows Custom Mechanical Systems, Corp averages 0.8 TCR (28% of the Mechanical contractors BLS benchmark).

Custom Mechanical Systems, Corp TCR series: 2019=1.5 · 2020=0 · 2021=0.9 · BLS 2.8

Where Custom Mechanical Systems, Corp falls in its industry

5,793 Mechanical contractors establishments

Safer than 92% of graded establishments in this industry, whose median TCR is 3.3.

Grade A

More dangerous than peersSafer than peers

Narrower to Ohio alone (the establishments it most directly competes with for workers and contracts): ranked #24 safest of 300 Mechanical contractors employers in Ohio.

Custom Mechanical Systems, Corp (88 employees, TCR 0.8) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Custom Mechanical Systems, Corp has more employees than the Mechanical contractors median and a lower injury rate than the industry's median TCR of 3.3. 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	Injuries
2021	0.9	1
2020	0.0	0
2019	1.5	1

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · OH · Maumee

5,793 Mechanical contractors employers nationwide with a credible TCR · 22,650 rated employers in Ohio with headcount on file · 113 employers in Maumee, 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	Simakas Company, Inc.	MARS, PA	0.8 TCR
NAICS-TCR	Armistead Mechanical-New Jersey	WALDWICK, NJ	0.8 TCR
NAICS-TCR	Letsos Company	HOUSTON, TX	0.8 TCR
NAICS-TCR	Moody Sprinkler Co., Inc.	KINGSPORT, TN	0.8 TCR
STATE-SIZE	Heartland Quality Egg Farm	WEST MANSFIELD	88 FTE
STATE-SIZE	New Day Farms	RAYMOND	88 FTE
STATE-SIZE	GC Mentor - Cleveland Construction	MENTOR	88 FTE
STATE-SIZE	Perk Company Inc.	CLEVELAND	88 FTE
CITY-NEAR	TOLEDO (OHTOL)	Maumee	1,792 FTE
CITY-NEAR	OHTOL - TOLEDO	Maumee	1,745 FTE
CITY-NEAR	St. Luke's Hospital	Maumee	1,438 FTE
CITY-NEAR	McLaren St. Luke's	Maumee	983 FTE
NAT-TCR	Dura Eastern Manufacturing Facility	Celina, TN	0.8 TCR
NAT-TCR	Cullumgp	Muskogee, OK	0.8 TCR
NAT-TCR	International Paper Midwest Sheets	Tipton, IN	0.8 TCR
NAT-TCR	CHS Services OCR	Melville, NY	0.8 TCR
NAT-SIZE	Shannon Precision Fastener Plant 1	Madison Hts., MI	88 FTE
NAT-SIZE	Riverhawk Company	New Hartford, NY	88 FTE
NAT-SIZE	2335 - Lilburn	Lilburn, GA	88 FTE
NAT-SIZE	The Myrtles Nursing Center	Columbia, MS	88 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, 2019. 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.