Mechanical contractors · Iowa

Midwestern Mechanical - Tri State

Sioux City, IA · ~25 workers · 6 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
4.7
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Midwestern Mechanical - Tri State runs at 169% of its industry's injury rate - more dangerous than the typical Mechanical contractors workplace, earning a grade D.

Midwestern Mechanical - Tri State: 4.7 TCR = 169% of Mechanical contractors BLS 2.8 · 6y Form 300A (see methodology below)

Midwestern Mechanical - Tri State safety composite

Midwestern Mechanical - Tri State scores strongest on dart rate (safer than 80% of same-industry peers) and weakest on total case rate (tcr) (safer than 36%), 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).

C

55/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 4.74 per 100 workers

Safer than 36% 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

−10.8

2016→2021

Midwestern Mechanical - Tri State injury rate improved

Midwestern Mechanical - Tri State's TCR fell 10.8 from 10.8 in 2016 to 0.0 in 2021. Peak filing year was 2016 at 10.8 TCR. In 2021, DART was 0× this establishment's average TCR (severity share of cases).

2016=10.8 · 2017=0.0 · 2018=7.8 · 2019=3.5 · 2020=6.3 · 2021=0.0

OSHA ITA Form 300A scorecard

Establishment book 238220 · Sioux City, IA ABOVE-IND · SMALL

Grade D · TCR 4.7 · 169% of ind

  • DART 0.0 DART
  • RANK #60/94
  • PHOTO Edison Support Center
  • BOOK 6y book
  • INJ 8 inj
  • SIZE ~25 FTE

Nearest TCR peer: Edison Support Center (0.0 TCR gap)

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

Midwestern Mechanical - Tri State in the TCR neighbourhood

Average Total Case Rate among this establishment and nearest same-industry peers

TCR

What this shows Midwestern Mechanical - Tri State averages 4.7 TCR (169% of the Mechanical contractors BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

Midwestern Mechanical - Tri State TCR series: 2016=10.8 · 2017=0 · 2018=7.8 · 2019=3.5 · 2020=6.3 · 2021=0 · BLS 2.8

Where Midwestern Mechanical - Tri State falls in its industry

5,793 Mechanical contractors establishments

Safer than 36% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Iowa alone (the establishments it most directly competes with for workers and contracts): ranked #60 safest of 94 Mechanical contractors employers in Iowa.

Midwestern Mechanical - Tri State (25 employees, TCR 4.7) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3 2×2 strategic matrix plotting 30 entities by Average employees (X) and Total Case Rate (Y), with a crosshair dividing the plot into four quadrants. Larger & higher-riskSmaller & higher-riskLarger & saferSmaller & safer than peers 050100150200250 05101520 Average employees Total Case Rate Midwestern Mechanical - Tri State
Midwestern Mechanical - Tri State (25 employees, TCR 4.7) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Midwestern Mechanical - Tri State has fewer employees than the Mechanical 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 Illnesses Fatalities
2021 0.0 0.0 0 0 0
2020 6.3 0.0 1 0 0
2019 3.5 0.0 1 0 0
2018 7.8 2.6 3 0 0
2017 0.0 0.0 0 0 0
2016 10.8 3.6 3 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · IA · Sioux City

5,793 Mechanical contractors employers nationwide with a credible TCR · 7,192 rated employers in Iowa with headcount on file · 259 employers in Sioux City, IA · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR Edison Support Center 4.7 TCR
NAICS-TCR Air Alliance Team 4.7 TCR
NAICS-TCR Production Plus Plumbing, Inc. Vista Office 4.8 TCR
NAICS-TCR PM Office 4.8 TCR
STATE-SIZE WCT-Crystal Lake 25 FTE
STATE-SIZE Oskaloosa Service Center 25 FTE
STATE-SIZE Midland Power 25 FTE
STATE-SIZE Consumers Energy 25 FTE
CITY-NEAR Seaboard Triumph Foods 2,375 FTE
CITY-NEAR SeaboardTriumph Foods 1,896 FTE
CITY-NEAR St. Luke's Regional Medical Center 1,201 FTE
CITY-NEAR Smithfield Packaged Meats Corp 691 FTE
NAT-TCR Cambridge North Healthcare Center 4.7 TCR
NAT-TCR Bland Farms, LLC. 4.7 TCR
NAT-TCR ADESA Lansing 4.7 TCR
NAT-TCR Drury Inn & Suites - Houston near the Galleria 4.7 TCR
NAT-SIZE McCann Fabrication 25 FTE
NAT-SIZE Leggett & Platt, Inc Branch 6016 25 FTE
NAT-SIZE Doss & Horky, Inc. 25 FTE
NAT-SIZE Parkhurst 25 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, 2018, 2017, 2016. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.