Vessels, heavy gauge metal, manufacturing · Illinois

Mason Manufacturing, LLC

Decatur, IL · ~39 workers · 8 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
14.4
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Mason Manufacturing, LLC runs at 435% of its industry's injury rate - far more dangerous than the typical Vessels, heavy gauge metal, manufacturing workplace, earning a grade F.

Mason Manufacturing, LLC: 14.4 TCR = 435% of Vessels, heavy gauge metal, manufacturing BLS 3.3 · 8y Form 300A (see methodology below)

Mason Manufacturing, LLC safety composite

Mason Manufacturing, LLC scores strongest on dart rate (safer than 82% 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).

D

44/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 14.37 per 100 workers

Safer than 6% of industry peers

DART rate
B 0 per 100 workers

Safer than 82% 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%).

Rising injury rate

Mason Manufacturing, LLC: 9.6 → 13.6 TCR

Peak year 2021 @ 22.7 TCR · DART/TCR 0× in 2023

Mason Manufacturing, LLC's TCR rose 4.0 from 9.6 in 2016 to 13.6 in 2023. Peak filing year was 2021 at 22.7 TCR. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 332420 · Decatur, IL ABOVE-IND · SMALL

Grade F · TCR 14.4 · 435% of ind

  • DART 0.0 DART
  • RANK #15/16
  • PHOTO Niles Steel Tank Com…
  • BOOK 8y book
  • INJ 38 inj
  • SIZE ~39 FTE

Nearest TCR peer: Niles Steel Tank Company (0.1 TCR gap)

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

Mason Manufacturing, LLC in the TCR neighbourhood

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

TCR

What this shows Mason Manufacturing, LLC averages 14.4 TCR (435% of the Vessels, heavy gauge metal, manufacturing BLS benchmark).

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

Mason Manufacturing, LLC TCR series: 2016=9.6 · 2017=19.7 · 2018=11.1 · 2019=10.8 · 2020=12.2 · 2021=22.7 · 2022=15.3 · 2023=13.6 · BLS 3.3

Where Mason Manufacturing, LLC falls in its industry

355 Vessels, heavy gauge metal, ma establishments

Safer than 6% of graded establishments in this industry, whose median TCR is 3.6.

More dangerous than peersSafer than peers

Narrower to Illinois alone (the establishments it most directly competes with for workers and contracts): ranked #15 safest of 16 Vessels, heavy gauge metal, ma employers in Illinois.

Mason Manufacturing, LLC (39 employees, TCR 14.4) among 29 same-industry peers, split at the industry median of 63 employees and a TCR of 3.6 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 05101520 Average employees Total Case Rate Mason Manufacturing, LLC
Mason Manufacturing, LLC (39 employees, TCR 14.4) among 29 same-industry peers, split at the industry median of 63 employees and a TCR of 3.6

Mason Manufacturing, LLC has fewer employees than the Vessels, heavy gauge metal, manufacturin median and a higher injury rate than the industry's median TCR of 3.6. 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 13.6 0.0 5 0 0
2022 15.3 6.1 5 0 0
2021 22.7 6.5 7 0 0
2020 12.2 0.0 4 0 0
2019 10.8 0.0 4 0 0
2018 11.1 11.1 4 0 0
2017 19.7 7.4 8 0 0
2016 9.6 3.2 1 2 0

OSHA ITA peer cross-reference

Establishment peer ledger

332420 · IL · Decatur

355 Vessels, heavy gauge metal, manufacturing employers nationwide with a credible TCR · 22,804 rated employers in Illinois with headcount on file · 219 employers in Decatur, IL · 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 Niles Steel Tank Company 14.3 TCR
NAICS-TCR Byrne Chiarlone LP d/b/a Wm. A. Schmidt and Sons 14.5 TCR
NAICS-TCR Seattle Boiler Works, Inc 15.0 TCR
NAICS-TCR Internationa Container Company LLC 13.7 TCR
STATE-SIZE Beck's El Paso 39 FTE
STATE-SIZE Green Glen Nursery, Inc 39 FTE
STATE-SIZE NRG Joliet Generating Station 39 FTE
STATE-SIZE AMEREN ILLINOIS - Bloomington 39 FTE
CITY-NEAR Decatur Facility 2,420 FTE
CITY-NEAR Decatur Memorial Hospital 1,982 FTE
CITY-NEAR Decatur Public School District No. 61 1,524 FTE
CITY-NEAR Corporate Staff Offices 1,198 FTE
NAT-TCR Akro-Plastics 14.4 TCR
NAT-TCR 6962-SWY-0025-0025-01648 14.4 TCR
NAT-TCR 2039-Charlotte Knights 14.4 TCR
NAT-TCR 2050-20500999-TRANS1 14.4 TCR
NAT-SIZE NRC East Environmental Services, Inc. - Franklin 39 FTE
NAT-SIZE CR Woodside, LLC 39 FTE
NAT-SIZE Great Falls Feed 39 FTE
NAT-SIZE 1990 - West Palm Beach Fl Return Center 39 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, 2021, 2020, 2019, 2018, 2017, 2016. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.