Warm air heating equipment merchant wholesalers · Missouri

Mars Mo

Earthcity, MO · ~73 workers · 9 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
8.5
Avg TCR
2.2
Industry avg
0
Fatalities
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The verdict

Mars Mo runs at 385% of its industry's injury rate - far more dangerous than the typical Warm air heating equipment merchant wholesalers workplace, earning a grade F.

Mars Mo: 8.5 TCR = 385% of Warm air heating equipment merchant wholesalers BLS 2.2 · 9y Form 300A (see methodology below)

Mars Mo safety composite

Mars Mo scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on total case rate (tcr) (safer than 6%), 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

21/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 8.48 per 100 workers

Safer than 6% of industry peers

DART rate
F 4.76 per 100 workers

Safer than 16% 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

Mars Mo: 3.7 → 9.5 TCR

Peak year 2018 @ 15.6 TCR · DART/TCR 0.56× in 2024

Mars Mo's TCR rose 5.8 from 3.7 in 2016 to 9.5 in 2024. Peak filing year was 2018 at 15.6 TCR. In 2024, DART was 0.56× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 423730 · Earthcity, MO ABOVE-IND · SMALL

Grade F · TCR 8.5 · 385% of ind

  • DART 4.8 DART
  • RANK #6/6
  • PHOTO Johnstone Supply - ADC
  • BOOK 9y book
  • INJ 45 inj
  • SIZE ~73 FTE

Nearest TCR peer: Johnstone Supply - ADC (0.0 TCR gap)

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

Mars Mo in the TCR neighbourhood

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

TCR

What this shows Mars Mo averages 8.5 TCR (385% 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

Mars Mo TCR series: 2016=3.7 · 2017=1.9 · 2018=15.6 · 2019=12.8 · 2020=7.2 · 2021=6.6 · 2022=8 · 2023=10.9 · 2024=9.5 · BLS 2.2

Where Mars Mo falls in its industry

290 Warm air heating equipment mer establishments

Safer than 6% 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 #6 safest of 6 Warm air heating equipment mer employers in Missouri.

Mars Mo (73 employees, TCR 8.5) 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 Mars Mo
Mars Mo (73 employees, TCR 8.5) among 29 same-industry peers, split at the industry median of 45 employees and a TCR of 2.5

Mars Mo 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
2024 9.5 4.8 6 0 0
2023 10.9 10.9 6 0 0
2022 8.0 4.8 5 0 0
2021 6.6 1.7 4 0 0
2020 7.2 7.2 4 0 0
2019 12.8 9.6 8 0 0
2018 15.6 12.2 9 0 0
2017 1.9 1.9 1 0 0
2016 3.7 1.8 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

423730 · MO · Earthcity

290 Warm air heating equipment merchant wholesalers employers nationwide with a credible TCR · 10,075 rated employers in Missouri with headcount on file · 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 Johnstone Supply - ADC 8.5 TCR
NAICS-TCR Behler-Young Company - Kensington Distribution Center 8.4 TCR
NAICS-TCR CCOM Group - RAL Supply Group - Middletown 8.6 TCR
NAICS-TCR Arlington Heights 8.3 TCR
STATE-SIZE Platte-Clay Electric Co-op 73 FTE
STATE-SIZE Interface Construction Corp 73 FTE
STATE-SIZE Jackson 73 FTE
STATE-SIZE Springfield Striping & Sealing 73 FTE
NAT-TCR Sanderson Pipe Corporation 8.5 TCR
NAT-TCR Ward Trucking LLC-Raleigh 8.5 TCR
NAT-TCR Penney Retirement Community, Inc. 8.5 TCR
NAT-TCR Greenwich Hospital 8.5 TCR
NAT-SIZE Milwaukee Plate Glass Company 73 FTE
NAT-SIZE Flat Rock Care Center 73 FTE
NAT-SIZE Forrest Machine Inc. 73 FTE
NAT-SIZE Plant Morrow 73 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, 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.