Warm air heating equipment merchant wholesalers · Missouri

Koch Air - St. Louis

Maryland Heights, MO · ~74 workers · 4 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
3.1
Avg TCR
2.2
Industry avg
0
Fatalities
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The verdict

Koch Air - St. Louis runs at 142% of its industry's injury rate - more dangerous than the typical Warm air heating equipment merchant wholesalers workplace, earning a grade D.

Koch Air - St. Louis: 3.1 TCR = 142% of Warm air heating equipment merchant wholesalers BLS 2.2 · 4y Form 300A (see methodology below)

Koch Air - St. Louis safety composite

Koch Air - St. Louis scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on total case rate (tcr) (safer than 41%), 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

44/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 3.12 per 100 workers

Safer than 41% of industry peers

DART rate
D 1.36 per 100 workers

Safer than 44% 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%).

Koch Air - St. Louis held a steady TCR band

Koch Air - St. Louis's TCR held near 0.1 from 2.8 in 2018 to 2.7 in 2022. Peak filing year was 2019 at 4.0 TCR. In 2022, DART was 0.44× this establishment's average TCR (severity share of cases).

2018=2.8 · 2019=4.0 · 2020=2.9 · 2022=2.7

OSHA ITA Form 300A scorecard

Establishment book 423730 · Maryland Heights, MO ABOVE-IND · SMALL

Grade D · TCR 3.1 · 142% of ind

  • DART 1.4 DART
  • RANK #5/6
  • PHOTO Williams Distributin…
  • BOOK 4y book
  • INJ 9 inj
  • SIZE ~74 FTE

Nearest TCR peer: Williams Distributing Company - 44th Street Warehouse (0.0 TCR gap)

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

Koch Air - St. Louis in the TCR neighbourhood

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

TCR

What this shows Koch Air - St. Louis averages 3.1 TCR (142% of the Warm air heating equipment merchant wholesalers BLS benchmark).

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

Koch Air - St. Louis TCR series: 2018=2.8 · 2019=4 · 2020=2.9 · 2022=2.7 · BLS 2.2

Where Koch Air - St. Louis falls in its industry

290 Warm air heating equipment mer establishments

Safer than 41% of graded establishments in this industry, whose median TCR is 2.5.

More dangerous than peersSafer than peers

Narrower to Missouri alone (the establishments it most directly competes with for workers and contracts): ranked #5 safest of 6 Warm air heating equipment mer employers in Missouri.

Koch Air - St. Louis (74 employees, TCR 3.1) among 29 same-industry peers, split at the industry median of 45 employees and a TCR of 2.5 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 0100200300400 0510152025 Average employees Total Case Rate Koch Air - St. Louis
Koch Air - St. Louis (74 employees, TCR 3.1) among 29 same-industry peers, split at the industry median of 45 employees and a TCR of 2.5

Koch Air - St. Louis has more employees than the Warm air heating equipment merchant whol median and a higher injury rate than the industry's median TCR of 2.5. 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
2022 2.7 1.4 2 0 0
2020 2.9 2.9 2 0 0
2019 4.0 1.4 3 0 0
2018 2.8 1.4 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

423730 · MO · Maryland Heights

290 Warm air heating equipment merchant wholesalers employers nationwide with a credible TCR · 10,075 rated employers in Missouri with headcount on file · 112 employers in Maryland Heights, MO · 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 Williams Distributing Company - 44th Street Warehouse 3.1 TCR
NAICS-TCR Team Air Distributing, INC 3.1 TCR
NAICS-TCR Kono Kogs, Inc. 3.2 TCR
NAICS-TCR Johnstone Supply - Raleigh 124 3.1 TCR
STATE-SIZE AMEREN MISSOURI - Underground 74 FTE
STATE-SIZE Payne Family Homes 74 FTE
STATE-SIZE MC Industrial 74 FTE
STATE-SIZE Raineri Construction, LLC 74 FTE
CITY-NEAR GHQ-Global Headquarters 2,598 FTE
CITY-NEAR GHQ-Global Headquaters 2,256 FTE
CITY-NEAR MO_Maryland Heights_13736 Riverport_21111080 1,005 FTE
CITY-NEAR Hollywood Casino St. Louis 874 FTE
NAT-TCR SuperMax Manati 3.1 TCR
NAT-TCR SanCasT 3.1 TCR
NAT-TCR Keystone Concrete Placement San Antonio 3.1 TCR
NAT-TCR Ridge Rd-20059 3.1 TCR
NAT-SIZE Brookdale Clinton 74 FTE
NAT-SIZE RFD 74 FTE
NAT-SIZE 4795-PS-PNS-PENSACOLA-PNS-PSAA 74 FTE
NAT-SIZE Ilosw - Aurora 74 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: 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.