Ready-mix concrete manufacturing and distributing · Iowa

Croell Inc. - Mason City

Mason City, IA · ~23 workers · 3 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
15.7
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Croell Inc. - Mason City runs at 475% of its industry's injury rate - far more dangerous than the typical Ready-mix concrete manufacturing and distributing workplace, earning a grade F.

Croell Inc. - Mason City: 15.7 TCR = 475% of Ready-mix concrete manufacturing and distributing BLS 3.3 · 3y Form 300A (see methodology below)

Croell Inc. - Mason City safety composite

Croell Inc. - Mason City scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 2%), 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).

F

16/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 15.68 per 100 workers

Safer than 2% of industry peers

DART rate
F 10.06 per 100 workers

Safer than 8% 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

Croell Inc. - Mason City: 11.5 → 20.1 TCR

Peak year 2019 @ 20.1 TCR · DART/TCR 0.64× in 2019

Croell Inc. - Mason City's TCR rose 8.6 from 11.5 in 2017 to 20.1 in 2019. In 2019, DART was 0.64× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 327320 · Mason City, IA ABOVE-IND · SMALL

Grade F · TCR 15.7 · 475% of ind

  • DART 10.1 DART
  • RANK #24/25
  • PHOTO Knight's Companies, …
  • BOOK 3y book
  • INJ 8 inj
  • SIZE ~23 FTE

Nearest TCR peer: Knight's Companies, Inc. Shop (0.0 TCR gap)

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

Croell Inc. - Mason City in the TCR neighbourhood

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

TCR

What this shows Croell Inc. - Mason City averages 15.7 TCR (475% of the Ready-mix concrete manufacturing and distributing BLS benchmark).

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

Croell Inc. - Mason City TCR series: 2017=11.5 · 2018=15.4 · 2019=20.1 · BLS 3.3

Where Croell Inc. - Mason City falls in its industry

1,316 Ready-mix concrete manufacturi establishments

Safer than 2% of graded establishments in this industry, whose median TCR is 4.5.

More dangerous than peersSafer than peers

Narrower to Iowa alone (the establishments it most directly competes with for workers and contracts): ranked #24 safest of 25 Ready-mix concrete manufacturi employers in Iowa.

Croell Inc. - Mason City (23 employees, TCR 15.7) among 29 same-industry peers, split at the industry median of 33 employees and a TCR of 4.5 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 0100200300400500 05101520 Average employees Total Case Rate Croell Inc. - Mason City
Croell Inc. - Mason City (23 employees, TCR 15.7) among 29 same-industry peers, split at the industry median of 33 employees and a TCR of 4.5

Croell Inc. - Mason City has fewer employees than the Ready-mix concrete manufacturing and dis median and a higher injury rate than the industry's median TCR of 4.5. 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
2019 20.1 10.1 4 0 0
2018 15.4 7.7 2 0 0
2017 11.5 11.5 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

327320 · IA · Mason City

1,316 Ready-mix concrete manufacturing and distributing 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 Knight's Companies, Inc. Shop 15.7 TCR
NAICS-TCR Apollo Beach 15.7 TCR
NAICS-TCR J-III CONCRETE CO.,INC 15.6 TCR
NAICS-TCR Rochester Ready Mix 15.6 TCR
STATE-SIZE Remsen Farmers Coop 23 FTE
STATE-SIZE M L Kapp Power Station 2 23 FTE
STATE-SIZE Marshalltown Gen Station 23 FTE
STATE-SIZE City of Ames - Electric Distribution 23 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 Agri Electric 15.7 TCR
NAT-TCR P&P Transportation 15.7 TCR
NAT-TCR 4769-6041-West Elm 15.7 TCR
NAT-TCR Lakes Area Landscaping LLC 15.7 TCR
NAT-SIZE Mercy Lorain Occupational Health Clinic 23 FTE
NAT-SIZE YES Center 23 FTE
NAT-SIZE SDF-LOUISVILLE 23 FTE
NAT-SIZE Enterprise Reno Airport-5461 23 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: 2019, 2018, 2017. 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.