Mechanical contractors · Minnesota

Klamm Mechanical Contractors, Inc.

Burnsville, MN · ~30 workers · 8 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
8.6
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Klamm Mechanical Contractors, Inc. runs at 308% of its industry's injury rate - far more dangerous than the typical Mechanical contractors workplace, earning a grade F.

Klamm Mechanical Contractors, Inc.: 8.6 TCR = 308% of Mechanical contractors BLS 2.8 · 8y Form 300A (see methodology below)

Klamm Mechanical Contractors, Inc. safety composite

Klamm Mechanical Contractors, Inc. scores strongest on dart rate (safer than 80% of same-industry peers) and weakest on total case rate (tcr) (safer than 14%), 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

46/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 8.61 per 100 workers

Safer than 14% 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

−7.5

2017→2024

Klamm Mechanical Contractors, Inc. injury rate improved

Klamm Mechanical Contractors, Inc.'s TCR fell 7.5 from 7.5 in 2017 to 0.0 in 2024. Peak filing year was 2019 at 16.8 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2017=7.5 · 2018=11.0 · 2019=16.8 · 2020=9.8 · 2021=10.8 · 2022=5.0 · 2023=8.1 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 238220 · Burnsville, MN ABOVE-IND · SMALL

Grade F · TCR 8.6 · 308% of ind

  • DART 0.0 DART
  • RANK #113/153
  • PHOTO Mills Air, Inc.
  • BOOK 8y book
  • INJ 18 inj
  • SIZE ~30 FTE

Nearest TCR peer: Mills Air, Inc. (0.0 TCR gap)

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

Klamm Mechanical Contractors, Inc. in the TCR neighbourhood

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

TCR

What this shows Klamm Mechanical Contractors, Inc. averages 8.6 TCR (308% of the Mechanical contractors BLS benchmark).

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

Klamm Mechanical Contractors, Inc. TCR series: 2017=7.5 · 2018=11 · 2019=16.8 · 2020=9.8 · 2021=10.8 · 2022=5 · 2023=8.1 · 2024=0 · BLS 2.8

Where Klamm Mechanical Contractors, Inc. falls in its industry

5,793 Mechanical contractors establishments

Safer than 14% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Minnesota alone (the establishments it most directly competes with for workers and contracts): ranked #113 safest of 153 Mechanical contractors employers in Minnesota.

Klamm Mechanical Contractors, Inc. (30 employees, TCR 8.6) 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 Klamm Mechanical Contractors, Inc.
Klamm Mechanical Contractors, Inc. (30 employees, TCR 8.6) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Klamm Mechanical Contractors, Inc. 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
2024 0.0 0.0 0 0 0
2023 8.1 8.1 2 0 0
2022 5.0 0.0 1 0 0
2021 10.8 0.0 2 0 0
2020 9.8 0.0 3 0 0
2019 16.8 2.8 6 0 0
2018 11.0 0.0 3 0 0
2017 7.5 3.7 1 1 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · MN · Burnsville

5,793 Mechanical contractors employers nationwide with a credible TCR · 15,828 rated employers in Minnesota with headcount on file · 243 employers in Burnsville, MN · 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 Mills Air, Inc. 8.6 TCR
NAICS-TCR Bass Air Conditioning Company,Inc. 8.6 TCR
NAICS-TCR Barton Boys 8.6 TCR
NAICS-TCR Flame Furnace Company 8.6 TCR
STATE-SIZE Nelson Nursery 30 FTE
STATE-SIZE Northern Plains Dairy 30 FTE
STATE-SIZE United Dairy, Westland Dairy 30 FTE
STATE-SIZE Pipestone Grow Finish 30 FTE
CITY-NEAR Ames Construction 2,318 FTE
CITY-NEAR Rosemount Aerospace Inc (Burnsville MN) 1,894 FTE
CITY-NEAR ROSEMOUNT AEROSPACE INC_6830 1,861 FTE
CITY-NEAR Goodrich - Sensors and Integrated Systems- Burnsville MN 1,673 FTE
NAT-TCR Non-Ferrous Extrusions 8.6 TCR
NAT-TCR Store 3 8.6 TCR
NAT-TCR MediLodge of Cheboygan 8.6 TCR
NAT-TCR S03373 - Commercial Disposal 8.6 TCR
NAT-SIZE Windsor Manor Grinnell 30 FTE
NAT-SIZE Hennessey Implement, Inc. 30 FTE
NAT-SIZE Concare Inc 30 FTE
NAT-SIZE Seaport Stainless 30 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, 2022, 2021, 2020, 2019, 2018, 2017. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.