Plumbing and heating contractors · Ohio

Mielke Columbus

Columbus, OH · ~23 workers · 2 years of OSHA Injury Tracking Application data.

C
Average Safety Record
2.5
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Mielke Columbus runs at 89% of its industry's injury rate - about level with the typical Plumbing and heating contractors workplace, earning a grade C.

Mielke Columbus: 2.5 TCR = 89% of Plumbing and heating contractors BLS 2.8 · 2y Form 300A (see methodology below)

Mielke Columbus safety composite

Mielke Columbus scores strongest on dart rate (safer than 80% 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).

C

65/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 2.49 per 100 workers

Safer than 61% 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

−5.0

2020→2021

Mielke Columbus injury rate improved

Mielke Columbus's TCR fell 5.0 from 5.0 in 2020 to 0.0 in 2021. Peak filing year was 2020 at 5.0 TCR. In 2021, DART was 0× this establishment's average TCR (severity share of cases).

2020=5.0 · 2021=0.0

OSHA ITA Form 300A scorecard

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

Grade C · TCR 2.5 · 89% of ind

  • DART 0.0 DART
  • RANK #130/300
  • PHOTO Carrier Commercial S…
  • BOOK 2y book
  • INJ 1 inj
  • SIZE ~23 FTE

Nearest TCR peer: Carrier Commercial Services (Elmhurst) (0.0 TCR gap)

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

Mielke Columbus in the TCR neighbourhood

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

TCR

What this shows Mielke Columbus averages 2.5 TCR (89% of the Plumbing and heating contractors BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-09-26

Mielke Columbus TCR series: 2020=5 · 2021=0 · BLS 2.8

Where Mielke Columbus falls in its industry

5,793 Plumbing and heating contracto establishments

Safer than 61% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Ohio alone (the establishments it most directly competes with for workers and contracts): ranked #130 safest of 300 Plumbing and heating contracto employers in Ohio.

Mielke Columbus (23 employees, TCR 2.5) 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 Mielke Columbus
Mielke Columbus (23 employees, TCR 2.5) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Mielke Columbus has fewer employees than the Plumbing and heating 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 DART Injuries Illnesses Fatalities
2021 0.0 0.0 0 0 0
2020 5.0 0.0 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · OH · Columbus

5,793 Plumbing and heating contractors employers nationwide with a credible TCR · 22,650 rated employers in Ohio with headcount on file · 1,500 employers in Columbus, OH · 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 Carrier Commercial Services (Elmhurst) 2.5 TCR
NAICS-TCR FireGuard LLC 2.5 TCR
NAICS-TCR Peterson Service Co., Inc. 2.5 TCR
NAICS-TCR The Plumbing Source 2.5 TCR
STATE-SIZE St. Luke Lutheran Community - Portage Lakes 23 FTE
STATE-SIZE Epallet Inc Holmesville 23 FTE
STATE-SIZE Massie Creek 23 FTE
STATE-SIZE Nationwide Children's Hospital @ Riverside Methodist Hospital NICU 23 FTE
CITY-NEAR Nationwide Children's Hospital 13,367 FTE
CITY-NEAR Nationwide Children's Hospital Main Campus 10,116 FTE
CITY-NEAR Riverside Methodist Hospital 9,759 FTE
CITY-NEAR North America Fulfillment Centers (FCs) : CMH1 5,057 FTE
NAT-TCR Truck Accessories Group - West (Fiberglass) 2.5 TCR
NAT-TCR Indain Summer Plant 3 2.5 TCR
NAT-TCR Fulton Heating Solutions - Running Ridge Rd 2.5 TCR
NAT-TCR Andrew Smith Company 2.5 TCR
NAT-SIZE Priority Sign Manufacturing 23 FTE
NAT-SIZE TML Construction, Inc. 23 FTE
NAT-SIZE WH #8 and #12 23 FTE
NAT-SIZE Wh 1,2,3 23 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. 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.