Plumbing contractors · South Dakota

Midwestern Mechanical, Inc.

Name: Midwestern Mechanical, Inc. Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Sioux Falls, SD · ~146 workers · 7 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

D
Poor Safety Record: 3.8
Avg TCR: 2.8
Industry avg: 0
Fatalities

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The verdict

Midwestern Mechanical, Inc. runs at 136% of its industry's injury rate - more dangerous than the typical Plumbing contractors workplace, earning a grade D.

Midwestern Mechanical, Inc.: 3.8 TCR = 136% of Plumbing contractors BLS 2.8 · 7y Form 300A (see methodology below)

Midwestern Mechanical, Inc. safety composite

Midwestern Mechanical, Inc. scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 43%), 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).

46/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): D 3.81 per 100 workers

Safer than 45% of industry peers
DART rate: D 1.73 per 100 workers

Safer than 43% 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

−1.8

2016→2022

Midwestern Mechanical, Inc. injury rate improved

Midwestern Mechanical, Inc.'s TCR fell 1.8 from 5.2 in 2016 to 3.5 in 2022. Peak filing year was 2016 at 5.2 TCR. In 2022, DART was 0.45× this establishment's average TCR (severity share of cases).

2016=5.2 · 2017=3.7 · 2018=3.5 · 2019=2.8 · 2020=2.9 · 2021=5.2 · 2022=3.5

OSHA ITA Form 300A scorecard

Establishment book 238220 · Sioux Falls, SD ABOVE-IND · MID

Grade D · TCR 3.8 · 136% of ind

DART 1.7 DART
RANK #7/16
PHOTO Coastal Mechanical
BOOK 7y book
INJ 36 inj
SIZE ~146 FTE

Nearest TCR peer: Coastal Mechanical (0.0 TCR gap)

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This site

3.8
Coastal Mechan

3.8
Sullivan Mecha

3.8
Proteus Inc. D

3.8
Systems Plant

3.8

What this shows Midwestern Mechanical, Inc. averages 3.8 TCR (136% of the Plumbing contractors BLS benchmark).

Midwestern Mechanical, Inc. TCR series: 2016=5.2 · 2017=3.7 · 2018=3.5 · 2019=2.8 · 2020=2.9 · 2021=5.2 · 2022=3.5 · BLS 2.8

Where Midwestern Mechanical, Inc. falls in its industry

5,793 Plumbing contractors establishments

Safer than 45% of graded establishments in this industry, whose median TCR is 3.3.

Grade D

More dangerous than peersSafer than peers

Narrower to South Dakota alone (the establishments it most directly competes with for workers and contracts): ranked #7 safest of 16 Plumbing contractors employers in South Dakota.

Midwestern Mechanical, Inc. (146 employees, TCR 3.8) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Midwestern Mechanical, Inc. has more employees than the Plumbing contractors median and a higher 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	DART	Injuries
2022	3.5	1.7	4
2021	5.2	3.4	6
2020	2.9	2.9	4
2019	2.8	1.4	4
2018	3.5	2.8	5
2017	3.7	3.0	5
2016	5.2	2.6	8

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · SD · Sioux Falls

5,793 Plumbing contractors employers nationwide with a credible TCR · 1,778 rated employers in South Dakota with headcount on file · 542 employers in Sioux Falls, SD · 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	Coastal Mechanical	MELBOURNE, FL	3.8 TCR
NAICS-TCR	Sullivan Mechanical Contractors, Inc.	SHENANDOAH, VA	3.8 TCR
NAICS-TCR	Proteus Inc. Delano SC	DELANO, CA	3.8 TCR
NAICS-TCR	Systems Plant Services MIS03	COLUMBUS, MS	3.8 TCR
STATE-SIZE	MWRailcar	BRANDON	146 FTE
STATE-SIZE	AH Avera Central Office	SIOUX FALLS	146 FTE
STATE-SIZE	Northern Hills Training Center	SPEARFISH	146 FTE
STATE-SIZE	Coca - Cola Bottling Company High Country - Black Hills	RAPID CITY	147 FTE
CITY-NEAR	SD,Sioux Falls-Medical Center Campus-General Medical And Surgical Hospitals	Sioux Falls	6,424 FTE
CITY-NEAR	SD,SIOUX FALLS - Medical Center Campus - General Medical and Surgical Hospitals	Sioux Falls	4,818 FTE
CITY-NEAR	Smithfield Foods	Sioux Falls	3,459 FTE
CITY-NEAR	Avera McKennan Hospital	Sioux Falls	3,312 FTE
NAT-TCR	S03044 - Carlsbad Hauling	Carlsbad, CA	3.8 TCR
NAT-TCR	Airtex Design Group, Inc	Minneapolis, MN	3.8 TCR
NAT-TCR	Pillager Elementary School	Pillager, MN	3.8 TCR
NAT-TCR	Jonesville Tool & Mfg, LLC	Jonesville, MI	3.8 TCR
NAT-SIZE	Atlantic Capes Fisheries Inc	Fall River, MA	146 FTE
NAT-SIZE	Ferriot Inc.	Akron, OH	146 FTE
NAT-SIZE	Varex Imaging, Santa Clara	Santa Clara, CA	146 FTE
NAT-SIZE	The Dana On Mission Bay	San Diego, CA	146 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: 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.