Courier Services Except by Air · Iowa

Mason City (Iamas)

Mason City, IA · ~84 workers · 3 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
2.8
Avg TCR
6.5
Industry avg
0
Fatalities
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The verdict

Mason City (Iamas) runs at 43% of its industry's injury rate - far safer than the typical Courier Services Except by Air workplace, earning a grade A.

Mason City (Iamas): 2.8 TCR = 43% of Courier Services Except by Air BLS 6.5 · 3y Form 300A (see methodology below)

Mason City (Iamas) safety composite

Mason City (Iamas) scores strongest on total case rate (tcr) (safer than 92% of same-industry peers) and weakest on fatalities (safer than 51%), 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).

B

80/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
A 2.77 per 100 workers

Safer than 92% of industry peers

DART rate
B 1.63 per 100 workers

Safer than 86% 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 City (Iamas): 1.7 → 4.9 TCR

Peak year 2018 @ 4.9 TCR · DART/TCR 0.59× in 2018

Mason City (Iamas)'s TCR rose 3.2 from 1.7 in 2016 to 4.9 in 2018. In 2018, DART was 0.59× 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 A · TCR 2.8 · 43% of ind

  • DART 1.6 DART
  • RANK #3/82
  • PHOTO Amazon.com Services …
  • BOOK 3y book
  • INJ 5 inj
  • SIZE ~84 FTE

Nearest TCR peer: Amazon.com Services LLC - AUS5 (0.0 TCR gap)

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

Mason City (Iamas) in the TCR neighbourhood

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

TCR

What this shows Mason City (Iamas) averages 2.8 TCR (43% of the Courier Services Except by Air BLS benchmark).

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

Mason City (Iamas) TCR series: 2016=1.7 · 2017=1.7 · 2018=4.9 · BLS 6.5

Where Mason City (Iamas) falls in its industry

6,679 Courier Services Except by Air establishments

Safer than 92% 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 #3 safest of 82 Courier Services Except by Air employers in Iowa.

Mason City (Iamas) (84 employees, TCR 2.8) 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 Mason City (Iamas)
Mason City (Iamas) (84 employees, TCR 2.8) among 29 same-industry peers, split at the industry median of 113 employees and a TCR of 8.0

Mason City (Iamas) has fewer employees than the Courier Services Except by Air 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
2018 4.9 1.6 3 0 0
2017 1.7 1.7 1 0 0
2016 1.7 0.0 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

492110 · IA · Mason City

6,679 Courier Services Except by Air 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 Amazon.com Services LLC - AUS5 2.8 TCR
NAICS-TCR Allegheny Direct Logistics LLC 2.8 TCR
NAICS-TCR 4 Dimensions LLC 2.8 TCR
NAICS-TCR DAT 9 2.8 TCR
STATE-SIZE Stueve Construction LLC (All Locations) 84 FTE
STATE-SIZE J.W. Koehler Electric, Inc. 84 FTE
STATE-SIZE IP Waterloo NAC 84 FTE
STATE-SIZE ProPulse A Schieffer Co 84 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 6400-Swy 0017 1636 2.8 TCR
NAT-TCR Geriatric Care Services 2.8 TCR
NAT-TCR Elkay Wood Products Company - Mifflinburg 2.8 TCR
NAT-TCR Principal Manufacturing 2.8 TCR
NAT-SIZE Carnesville (Gacar) 84 FTE
NAT-SIZE Hammond Package Center (Laham) 84 FTE
NAT-SIZE Mankato Center (Mnmnk) 84 FTE
NAT-SIZE New England Home Therapies, Inc. - 1000 84 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: 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.