Couriers and Express Delivery Services · Iowa

Iamas - Mason City

Mason City, IA · ~98 workers · 6 years of OSHA Injury Tracking Application data.

C
Average Safety Record
6.2
Avg TCR
6.5
Industry avg
0
Fatalities
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The verdict

Iamas - Mason City runs at 95% of its industry's injury rate - about level with the typical Couriers and Express Delivery Services workplace, earning a grade C.

Iamas - Mason City: 6.2 TCR = 95% of Couriers and Express Delivery Services BLS 6.5 · 6y Form 300A (see methodology below)

Iamas - Mason City safety composite

Iamas - Mason City scores strongest on total case rate (tcr) (safer than 67% of same-industry peers) and weakest on dart rate (safer than 44%), 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

55/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 6.18 per 100 workers

Safer than 67% of industry peers

DART rate
D 6.82 per 100 workers

Safer than 44% 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

Iamas - Mason City: 3.0 → 9.6 TCR

Peak year 2023 @ 10.7 TCR · DART/TCR 1.1× in 2024

Iamas - Mason City's TCR rose 6.5 from 3.0 in 2019 to 9.6 in 2024. Peak filing year was 2023 at 10.7 TCR. In 2024, DART was 1.1× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 492110 · Mason City, IA AT/BELOW-IND · SMALL

Grade C · TCR 6.2 · 95% of ind

  • DART 6.8 DART
  • RANK #26/82
  • PHOTO MACHE - CHELMSFORD
  • BOOK 6y book
  • INJ 27 inj
  • SIZE ~98 FTE

Nearest TCR peer: MACHE - CHELMSFORD (0.0 TCR gap)

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

Iamas - Mason City in the TCR neighbourhood

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

TCR

What this shows Iamas - Mason City averages 6.2 TCR (95% of the Couriers and Express Delivery Services BLS benchmark).

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

Iamas - Mason City TCR series: 2019=3 · 2020=3.8 · 2021=3.8 · 2022=6.2 · 2023=10.7 · 2024=9.6 · BLS 6.5

Where Iamas - Mason City falls in its industry

6,679 Couriers and Express Delivery establishments

Safer than 67% of graded establishments in this industry, whose median TCR is 8.0.

More dangerous than peersSafer than peers

Narrower to Iowa alone (the establishments it most directly competes with for workers and contracts): ranked #26 safest of 82 Couriers and Express Delivery employers in Iowa.

Iamas - Mason City (98 employees, TCR 6.2) among 29 same-industry peers, split at the industry median of 113 employees and a TCR of 8.0 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 01,0002,0003,0004,000 0102030 Average employees Total Case Rate Iamas - Mason City
Iamas - Mason City (98 employees, TCR 6.2) among 29 same-industry peers, split at the industry median of 113 employees and a TCR of 8.0

Iamas - Mason City has fewer employees than the Couriers and Express Delivery Services median and a lower injury rate than the industry's median TCR of 8.0. 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
2024 9.6 6.8 7 0 0
2023 10.7 9.3 7 1 0
2022 6.2 5.0 5 0 0
2021 3.8 3.8 3 0 0
2020 3.8 3.8 3 0 0
2019 3.0 1.5 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

492110 · IA · Mason City

6,679 Couriers and Express Delivery Services 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 MACHE - CHELMSFORD 6.2 TCR
NAICS-TCR PAPHI - PHILADELPHIA 6.2 TCR
NAICS-TCR CAOLY - OLYMPIC 6.2 TCR
NAICS-TCR MNSTC - SAINT CLOUD 6.2 TCR
STATE-SIZE 2162-Grinnell, IA 98 FTE
STATE-SIZE 1886-Huxley, IA 98 FTE
STATE-SIZE DeLong Construction, Inc. 98 FTE
STATE-SIZE KW Electric Inc. - Cedar Falls 98 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 Paphi - Philadelphia 6.2 TCR
NAT-TCR Mache - Chelmsford 6.2 TCR
NAT-TCR Caoly - Olympic 6.2 TCR
NAT-TCR Mnstc - Saint Cloud 6.2 TCR
NAT-SIZE Mnmnk - Mankato Center 98 FTE
NAT-SIZE Nylib - Liberty 98 FTE
NAT-SIZE Txsgo - San Angelo 98 FTE
NAT-SIZE Morla - Rolla Center 98 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. 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.