Plumbing contractors · Iowa

Cook Plumbing Corporation

West Des Moines, IA · ~132 workers · 5 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
10.5
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Cook Plumbing Corporation runs at 376% of its industry's injury rate - far more dangerous than the typical Plumbing contractors workplace, earning a grade F.

Cook Plumbing Corporation: 10.5 TCR = 376% of Plumbing contractors BLS 2.8 · 5y Form 300A (see methodology below)

Cook Plumbing Corporation safety composite

Cook Plumbing Corporation scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 9%), 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).

F

31/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 10.52 per 100 workers

Safer than 9% of industry peers

DART rate
D 1.9 per 100 workers

Safer than 41% 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

−2.6

2018→2023

Cook Plumbing Corporation injury rate improved

Cook Plumbing Corporation's TCR fell 2.6 from 5.5 in 2018 to 2.9 in 2023. Peak filing year was 2019 at 26.1 TCR. In 2023, DART was 0.18× this establishment's average TCR (severity share of cases).

2018=5.5 · 2019=26.1 · 2020=9.7 · 2022=8.5 · 2023=2.9

OSHA ITA Form 300A scorecard

Establishment book 238220 · West Des Moines, IA ABOVE-IND · MID

Grade F · TCR 10.5 · 376% of ind

  • DART 1.9 DART
  • RANK #83/94
  • PHOTO Sherlock Heating & A…
  • BOOK 5y book
  • INJ 47 inj
  • SIZE ~132 FTE

Nearest TCR peer: Sherlock Heating & Air Conditioning, Inc. (0.0 TCR gap)

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

Cook Plumbing Corporation in the TCR neighbourhood

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

TCR

What this shows Cook Plumbing Corporation averages 10.5 TCR (376% of the Plumbing contractors BLS benchmark).

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

Cook Plumbing Corporation TCR series: 2018=5.5 · 2019=26.1 · 2020=9.7 · 2022=8.5 · 2023=2.9 · BLS 2.8

Where Cook Plumbing Corporation falls in its industry

5,793 Plumbing contractors establishments

Safer than 9% 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 #83 safest of 94 Plumbing contractors employers in Iowa.

Cook Plumbing Corporation (132 employees, TCR 10.5) 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 Cook Plumbing Corporation
Cook Plumbing Corporation (132 employees, TCR 10.5) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Cook Plumbing Corporation 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 Illnesses Fatalities
2023 2.9 1.9 3 0 0
2022 8.5 5.1 10 0 0
2020 9.7 5.3 10 1 0
2019 26.1 19.6 16 0 0
2018 5.5 4.8 8 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · IA · West Des Moines

5,793 Plumbing contractors employers nationwide with a credible TCR · 7,192 rated employers in Iowa with headcount on file · 160 employers in West Des Moines, 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 Sherlock Heating & Air Conditioning, Inc. 10.5 TCR
NAICS-TCR On Guard Fire Protection CA 10.5 TCR
NAICS-TCR Vredevoogd Heating and Cooling 10.5 TCR
NAICS-TCR Hanna Plumbing & Heating Inc. 10.5 TCR
STATE-SIZE Control Installations of Iowa, Inc. 132 FTE
STATE-SIZE BWC 132 FTE
STATE-SIZE The Chantland Company 132 FTE
STATE-SIZE PVS Chantland - Pulley 132 FTE
CITY-NEAR Hy-Vee, Inc. 73,135 FTE
CITY-NEAR Wright Tree Service, Inc 4,019 FTE
CITY-NEAR WDMCS 1,363 FTE
CITY-NEAR FBL Financial Group Inc., Corporate Headquarters 1,123 FTE
NAT-TCR Casa Bonita Home Care Inc 10.5 TCR
NAT-TCR Adams Vegetable Oils 10.5 TCR
NAT-TCR Jossart Brothers Inc 10.5 TCR
NAT-TCR Siskiyou County Probation 10.5 TCR
NAT-SIZE IFB Solutions - Arkansas 132 FTE
NAT-SIZE Select-Arc Ft. Loramie 132 FTE
NAT-SIZE Allied Mechanical 132 FTE
NAT-SIZE Mankato: Headquarters 132 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: 2023, 2022, 2020, 2019, 2018. 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.