Employer · Iowa

S03170 - IA Mason City

Mason City, IA · ~25 workers · 4 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
3.6
Avg TCR
2.6
Industry avg
0
Fatalities
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The verdict

S03170 - IA Mason City runs at 140% of its industry's injury rate - more dangerous than the typical industry workplace, earning a grade D.

S03170 - IA Mason City: 3.6 TCR = 140% of industry BLS 2.6 · 4y Form 300A (see methodology below)

S03170 - IA Mason City safety composite

S03170 - IA Mason City scores strongest on dart rate (safer than 88% of same-industry peers) and weakest on fatalities (safer than 52%), 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).

C

70/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 3.65 per 100 workers

Safer than 66% of industry peers

DART rate
B 0 per 100 workers

Safer than 88% of industry peers

Fatalities
D 0

Safer than 52% 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

S03170 - IA Mason City: 4.7 → 5.1 TCR

Peak year 2024 @ 5.1 TCR · DART/TCR 0× in 2024

S03170 - IA Mason City's TCR rose 0.4 from 4.7 in 2020 to 5.1 in 2024. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 562111 · Mason City, IA ABOVE-IND · SMALL

Grade D · TCR 3.6 · 140% of ind

  • DART 0.0 DART
  • RANK #7/24
  • PHOTO RES Inc.
  • BOOK 4y book
  • INJ 3 inj
  • SIZE ~25 FTE

Nearest TCR peer: RES Inc. (0.0 TCR gap)

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

S03170 - IA Mason City in the TCR neighbourhood

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

TCR

What this shows S03170 - IA Mason City averages 3.6 TCR (140% of the industry BLS benchmark).

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

S03170 - IA Mason City TCR series: 2020=4.7 · 2021=0 · 2023=4.7 · 2024=5.1 · BLS 2.6

Where S03170 - IA Mason City falls in its industry

2,322 industry establishments

Safer than 66% of graded establishments in this industry, whose median TCR is 5.1.

More dangerous than peersSafer than peers

Narrower to Iowa alone (the establishments it most directly competes with for workers and contracts): ranked #7 safest of 24 industry employers in Iowa.

S03170 - IA Mason City (25 employees, TCR 3.6) among 29 same-industry peers, split at the industry median of 55 employees and a TCR of 5.1 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 S03170 - IA Mason City
S03170 - IA Mason City (25 employees, TCR 3.6) among 29 same-industry peers, split at the industry median of 55 employees and a TCR of 5.1

S03170 - IA Mason City has fewer employees than the industry median and a lower injury rate than the industry's median TCR of 5.1. 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 5.1 0.0 1 0 0
2023 4.7 4.7 1 0 0
2021 0.0 0.0 0 0 0
2020 4.7 4.7 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

562111 · IA · Mason City

2,322 industry employers nationwide with a credible TCR · 7,192 rated employers in Iowa with headcount on file · 126 employers in Mason City, IA · 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 RES Inc. 3.6 TCR
NAICS-TCR 3047-Schaben Sanitation 3.6 TCR
NAICS-TCR Avid Waste Systems, Inc. 3.6 TCR
NAICS-TCR Harter's Fox Valley Disposal 3.6 TCR
STATE-SIZE WCT-Crystal Lake 25 FTE
STATE-SIZE Oskaloosa Service Center 25 FTE
STATE-SIZE Midland Power 25 FTE
STATE-SIZE Consumers Energy 25 FTE
CITY-NEAR Mercy Medical Center East Campus 1,592 FTE
CITY-NEAR Mercy Medical Center-Mason City-MHS-IA/NE 1,590 FTE
CITY-NEAR MercyOne North Iowa Medical Center 1,556 FTE
CITY-NEAR CURRIES 683 FTE
NAT-TCR Arroyo Vista Nursing Center 3.6 TCR
NAT-TCR Hooters of Ontario 3.6 TCR
NAT-TCR NTN Driveshaft Inc. 3.6 TCR
NAT-TCR 259-NiSource-Springfield OH 3.6 TCR
NAT-SIZE 20214 - Tenino/Adna 25 FTE
NAT-SIZE 040-SEAGRAVES 25 FTE
NAT-SIZE Central Processing South 25 FTE
NAT-SIZE 154-MCCAMEY 25 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, 2021, 2020. 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.