Delivery service (except as part of intercity carrier network, U.S. Postal Service) · Iowa

Spee Dee Delivery Service, Inc - Mason City

Mason City, IA · ~62 workers · 3 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
18.9
Avg TCR
4.5
Industry avg
0
Fatalities
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The verdict

Spee Dee Delivery Service, Inc - Mason City runs at 420% of its industry's injury rate - far more dangerous than the typical Delivery service (except as part of intercity carrier network, U.S. Postal Service) workplace, earning a grade F.

Spee Dee Delivery Service, Inc - Mason City: 18.9 TCR = 420% of Delivery service (except as part of intercity carrier network, U.S. Postal Service) BLS 4.5 · 3y Form 300A (see methodology below)

Spee Dee Delivery Service, Inc - Mason City safety composite

Spee Dee Delivery Service, Inc - Mason City scores strongest on dart rate (safer than 88% of same-industry peers) and weakest on total case rate (tcr) (safer than 19%), 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

51/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 18.9 per 100 workers

Safer than 19% of industry peers

DART rate
B 1.66 per 100 workers

Safer than 88% 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%).

Spee Dee Delivery Service, Inc - Mason City held a steady TCR band

Spee Dee Delivery Service, Inc - Mason City's TCR held near 0.1 from 4.8 in 2021 to 5.0 in 2023. Peak filing year was 2022 at 46.9 TCR. In 2023, DART was 0.09× this establishment's average TCR (severity share of cases).

2021=4.8 · 2022=46.9 · 2023=5.0

OSHA ITA Form 300A scorecard

Establishment book 492210 · Mason City, IA ABOVE-IND · SMALL

Grade F · TCR 18.9 · 420% of ind

  • DART 1.7 DART
  • RANK #16/21
  • PHOTO 6458-BILL
  • BOOK 3y book
  • INJ 14 inj
  • SIZE ~62 FTE

Nearest TCR peer: 6458-BILL (0.0 TCR gap)

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Spee Dee Delivery Service, Inc - Mason City in the TCR neighbourhood

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

TCR

What this shows Spee Dee Delivery Service, Inc - Mason City averages 18.9 TCR (420% of the Delivery service (except as part of intercity carrier network, U.S. Postal Service) BLS benchmark).

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

Spee Dee Delivery Service, Inc - Mason City TCR series: 2021=4.8 · 2022=46.9 · 2023=5 · BLS 4.5

Where Spee Dee Delivery Service, Inc - Mason City falls in its industry

1,452 Delivery service (except as pa establishments

Safer than 19% of graded establishments in this industry, whose median TCR is 11.8.

More dangerous than peersSafer than peers

Narrower to Iowa alone (the establishments it most directly competes with for workers and contracts): ranked #16 safest of 21 Delivery service (except as pa employers in Iowa.

Spee Dee Delivery Service, Inc - Mason City (62 employees, TCR 18.9) among 29 same-industry peers, split at the industry median of 89 employees and a TCR of 11.8 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 0200400600800 0102030 Average employees Total Case Rate Spee Dee Delivery Service, Inc - Mason City
Spee Dee Delivery Service, Inc - Mason City (62 employees, TCR 18.9) among 29 same-industry peers, split at the industry median of 89 employees and a TCR of 11.8

Spee Dee Delivery Service, Inc - Mason City has fewer employees than the Delivery service (except as part of inte median and a higher injury rate than the industry's median TCR of 11.8. 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 5.0 1.7 3 0 0
2022 46.9 35.2 8 0 0
2021 4.8 4.8 3 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

492210 · IA · Mason City

1,452 Delivery service (except as part of intercity carrier network, U.S. Postal Service) 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 6458-BILL 18.9 TCR
NAICS-TCR 6458-ZMLK 18.9 TCR
NAICS-TCR 6458-ZCED 18.9 TCR
NAICS-TCR 6458-ZNIL 18.9 TCR
STATE-SIZE DuPont Pioneer Dallas Center DCR9 62 FTE
STATE-SIZE Duane Arnold Energy Center 62 FTE
STATE-SIZE Davenport Branch 62 FTE
STATE-SIZE Rogers Concrete Construction, Inc. 62 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 Loretto Home 18.9 TCR
NAT-TCR GP Production (Missouri) 18.9 TCR
NAT-TCR OMF Raleigh, INC 18.9 TCR
NAT-TCR Astoria 38th St 18.9 TCR
NAT-SIZE Crain Marketing, Inc. 62 FTE
NAT-SIZE Minnesota State Community and Technical College- Detroit Lakes 62 FTE
NAT-SIZE Oro Agri, Inc 62 FTE
NAT-SIZE Gargoyle Granite & Marble 62 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. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.