Heaters, space (except portable electric), manufacturing · South Dakota

JR Koop dba Therm Dynamics

Tea, SD · ~21 workers · 4 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
5.5
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

JR Koop dba Therm Dynamics runs at 165% of its industry's injury rate - more dangerous than the typical Heaters, space (except portable electric), manufacturing workplace, earning a grade D.

JR Koop dba Therm Dynamics: 5.5 TCR = 165% of Heaters, space (except portable electric), manufacturing BLS 3.3 · 4y Form 300A (see methodology below)

JR Koop dba Therm Dynamics safety composite

JR Koop dba Therm Dynamics scores strongest on dart rate (safer than 81% of same-industry peers) and weakest on total case rate (tcr) (safer than 23%), 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

50/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 5.45 per 100 workers

Safer than 23% of industry peers

DART rate
B 0 per 100 workers

Safer than 81% of industry peers

Fatalities
D 0

Safer than 50% 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%).

Rising injury rate

JR Koop dba Therm Dynamics: 0.0 → 4.4 TCR

Peak year 2019 @ 12.1 TCR · DART/TCR 0× in 2023

JR Koop dba Therm Dynamics's TCR rose 4.4 from 0.0 in 2016 to 4.4 in 2023. Peak filing year was 2019 at 12.1 TCR. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 333414 · Tea, SD ABOVE-IND · SMALL

Grade D · TCR 5.5 · 165% of ind

  • DART 0.0 DART
  • RANK P23
  • PHOTO Zehnder Rittling
  • BOOK 4y book
  • INJ 5 inj
  • SIZE ~21 FTE

Nearest TCR peer: Zehnder Rittling (0.0 TCR gap)

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

JR Koop dba Therm Dynamics in the TCR neighbourhood

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

TCR

What this shows JR Koop dba Therm Dynamics averages 5.5 TCR (165% of the Heaters, space (except portable electric), manufacturing BLS benchmark).

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

JR Koop dba Therm Dynamics TCR series: 2016=0 · 2019=12.1 · 2022=5.3 · 2023=4.4 · BLS 3.3

Where JR Koop dba Therm Dynamics falls in its industry

117 Heaters, space (except portabl establishments

Safer than 23% of graded establishments in this industry, whose median TCR is 3.0.

More dangerous than peersSafer than peers
JR Koop dba Therm Dynamics (21 employees, TCR 5.5) among 29 same-industry peers, split at the industry median of 97 employees and a TCR of 3.0 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 0200400600800 0510152025 Average employees Total Case Rate JR Koop dba Therm Dynamics
JR Koop dba Therm Dynamics (21 employees, TCR 5.5) among 29 same-industry peers, split at the industry median of 97 employees and a TCR of 3.0

JR Koop dba Therm Dynamics has fewer employees than the Heaters, space (except portable electric median and a higher injury rate than the industry's median TCR of 3.0. 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 4.4 0.0 1 0 0
2022 5.3 0.0 1 0 0
2019 12.1 4.0 3 0 0
2016 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

333414 · SD · Tea

117 Heaters, space (except portable electric), manufacturing employers nationwide with a credible TCR · 1,778 rated employers in South Dakota with headcount on file · 17 employers in Tea, SD · 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 Zehnder Rittling 5.5 TCR
NAICS-TCR Woodstock Soapstone Company Inc. 5.4 TCR
NAICS-TCR Glas-Col, L.L.C. 5.6 TCR
NAICS-TCR Williams Furnace Company 5.7 TCR
STATE-SIZE M007 21 FTE
STATE-SIZE M001 21 FTE
STATE-SIZE Kodiak Pork 21 FTE
STATE-SIZE Fox Run 21 FTE
CITY-NEAR Harvard Integrations 138 FTE
CITY-NEAR Sorlien Electric, Inc 66 FTE
CITY-NEAR DeGeest Corporation 66 FTE
CITY-NEAR Scherer Inc. 65 FTE
NAT-TCR 8875 Krum Ave. Galesburg, MI 49053 5.5 TCR
NAT-TCR S03795 - WM of AL - North (Huntsville) 5.5 TCR
NAT-TCR Southeastern Extrusion & Tool, Inc. 5.5 TCR
NAT-TCR Sunshine Metals - CA 5.5 TCR
NAT-SIZE La Quinta Inn & Suites 21 FTE
NAT-SIZE Hawk Plastics 21 FTE
NAT-SIZE Wickham Dive 21 FTE
NAT-SIZE Harlow's School Bus Service of Montana - McCall 21 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, 2019, 2016. 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.