Plumbing and heating contractors · Iowa

Midwestern Mechanical-Spencer

Spencer, IA · ~83 workers · 2 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
5.4
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Midwestern Mechanical-Spencer runs at 192% of its industry's injury rate - more dangerous than the typical Plumbing and heating contractors workplace, earning a grade D.

Midwestern Mechanical-Spencer: 5.4 TCR = 192% of Plumbing and heating contractors BLS 2.8 · 2y Form 300A (see methodology below)

Midwestern Mechanical-Spencer safety composite

Midwestern Mechanical-Spencer scores strongest on dart rate (safer than 52% of same-industry peers) and weakest on total case rate (tcr) (safer than 31%), 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).

D

43/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 5.38 per 100 workers

Safer than 31% of industry peers

DART rate
D 1.05 per 100 workers

Safer than 52% 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

−2.3

2023→2024

Midwestern Mechanical-Spencer injury rate improved

Midwestern Mechanical-Spencer's TCR fell 2.3 from 6.5 in 2023 to 4.2 in 2024. Peak filing year was 2023 at 6.5 TCR. In 2024, DART was 0.2× this establishment's average TCR (severity share of cases).

2023=6.5 · 2024=4.2

OSHA ITA Form 300A scorecard

Establishment book 238220 · Spencer, IA ABOVE-IND · SMALL

Grade D · TCR 5.4 · 192% of ind

  • DART 1.1 DART
  • RANK #63/94
  • PHOTO Lawson Family Plumbi…
  • BOOK 2y book
  • INJ 10 inj
  • SIZE ~83 FTE

Nearest TCR peer: Lawson Family Plumbing, Inc (0.0 TCR gap)

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

Midwestern Mechanical-Spencer in the TCR neighbourhood

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

TCR

What this shows Midwestern Mechanical-Spencer averages 5.4 TCR (192% of the Plumbing and heating contractors BLS benchmark).

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

Midwestern Mechanical-Spencer TCR series: 2023=6.5 · 2024=4.2 · BLS 2.8

Where Midwestern Mechanical-Spencer falls in its industry

5,793 Plumbing and heating contracto establishments

Safer than 31% 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 #63 safest of 94 Plumbing and heating contracto employers in Iowa.

Midwestern Mechanical-Spencer (83 employees, TCR 5.4) 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-Spencer
Midwestern Mechanical-Spencer (83 employees, TCR 5.4) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Midwestern Mechanical-Spencer has more employees than the Plumbing and heating 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
2024 4.2 1.1 4 0 0
2023 6.5 2.2 6 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · IA · Spencer

5,793 Plumbing and heating contractors employers nationwide with a credible TCR · 7,192 rated employers in Iowa with headcount on file · 44 employers in Spencer, 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 Lawson Family Plumbing, Inc 5.4 TCR
NAICS-TCR Wencl Services, Inc 5.4 TCR
NAICS-TCR J&A 5.4 TCR
NAICS-TCR Edward J. White Incoprporated 5.4 TCR
STATE-SIZE Greater Des Moines Habitat for Humanity 83 FTE
STATE-SIZE W.A. Klinger, L.L.C. 83 FTE
STATE-SIZE Concrete Paving Overhead East (7101) 83 FTE
STATE-SIZE Gethmann Construction Co., Inc. 83 FTE
CITY-NEAR Arnold Motor Supply 764 FTE
CITY-NEAR Spencer Hospital 516 FTE
CITY-NEAR Spencer Municipal Hospital 515 FTE
CITY-NEAR WM 2714 221 FTE
NAT-TCR SPS New England Inc. 5.4 TCR
NAT-TCR Luverne Elementary School 5.4 TCR
NAT-TCR River Place Nursing Center 5.4 TCR
NAT-TCR York 10148 5.4 TCR
NAT-SIZE Alloy Custom Products, LLC 83 FTE
NAT-SIZE Corporate 83 FTE
NAT-SIZE Ideal Industries Inc 83 FTE
NAT-SIZE Ramsey Products Corporation 83 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: 2024, 2023. 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.