Heavy trucks assembling on purchased chassis · Iowa

Maintainer Corporation of Iowa Inc.

Rock Rapids, IA · ~25 workers · 3 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
7.0
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Maintainer Corporation of Iowa Inc. runs at 212% of its industry's injury rate - far more dangerous than the typical Heavy trucks assembling on purchased chassis workplace, earning a grade F.

Maintainer Corporation of Iowa Inc.: 7.0 TCR = 212% of Heavy trucks assembling on purchased chassis BLS 3.3 · 3y Form 300A (see methodology below)

Maintainer Corporation of Iowa Inc. safety composite

Maintainer Corporation of Iowa Inc. scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 23%), 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

34/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 7 per 100 workers

Safer than 32% of industry peers

DART rate
F 4.92 per 100 workers

Safer than 23% 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%).

TCR Δ

−3.5

2017→2019

Maintainer Corporation of Iowa Inc. injury rate improved

Maintainer Corporation of Iowa Inc.'s TCR fell 3.5 from 8.4 in 2017 to 4.9 in 2019. Peak filing year was 2017 at 8.4 TCR. In 2019, DART was 0.7× this establishment's average TCR (severity share of cases).

2017=8.4 · 2018=7.7 · 2019=4.9

OSHA ITA Form 300A scorecard

Establishment book 336211 · Rock Rapids, IA ABOVE-IND · SMALL

Grade F · TCR 7.0 · 212% of ind

  • DART 4.9 DART
  • RANK #15/21
  • PHOTO Scelzi Enterprises, …
  • BOOK 3y book
  • INJ 5 inj
  • SIZE ~25 FTE

Nearest TCR peer: Scelzi Enterprises, Inc. Corporate (0.0 TCR gap)

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

Maintainer Corporation of Iowa Inc. in the TCR neighbourhood

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

TCR

What this shows Maintainer Corporation of Iowa Inc. averages 7.0 TCR (212% of the Heavy trucks assembling on purchased chassis BLS benchmark).

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

Maintainer Corporation of Iowa Inc. TCR series: 2017=8.4 · 2018=7.7 · 2019=4.9 · BLS 3.3

Where Maintainer Corporation of Iowa Inc. falls in its industry

470 Heavy trucks assembling on pur establishments

Safer than 32% of graded establishments in this industry, whose median TCR is 5.5.

More dangerous than peersSafer than peers

Narrower to Iowa alone (the establishments it most directly competes with for workers and contracts): ranked #15 safest of 21 Heavy trucks assembling on pur employers in Iowa.

Maintainer Corporation of Iowa Inc. (25 employees, TCR 7.0) among 29 same-industry peers, split at the industry median of 87 employees and a TCR of 5.5 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 Maintainer Corporation of Iowa Inc.
Maintainer Corporation of Iowa Inc. (25 employees, TCR 7.0) among 29 same-industry peers, split at the industry median of 87 employees and a TCR of 5.5

Maintainer Corporation of Iowa Inc. has fewer employees than the Heavy trucks assembling on purchased cha median and a higher injury rate than the industry's median TCR of 5.5. 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 4.9 4.9 1 0 0
2018 7.7 3.8 2 0 0
2017 8.4 8.4 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

336211 · IA · Rock Rapids

470 Heavy trucks assembling on purchased chassis employers nationwide with a credible TCR · 7,192 rated employers in Iowa with headcount on file · 8 employers in Rock Rapids, 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 Scelzi Enterprises, Inc. Corporate 7.0 TCR
NAICS-TCR GSP Marketing Inc 7.0 TCR
NAICS-TCR Cherokee Truck Equipment- Cummings Rd 7.0 TCR
NAICS-TCR Spartan Motors - Brandon 7.0 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 IA,ROCK RAPIDS - Medical Center Campus - General Medical and Surgical Hospitals 74 FTE
CITY-NEAR Avera Merrill Pioneer Hospital 73 FTE
CITY-NEAR Lyon Specialty Care 59 FTE
CITY-NEAR Rock Rapids care Center 49 FTE
NAT-TCR Oficina Municipal De Manejos De Emergencias (Omme) 14206 00 7.0 TCR
NAT-TCR WATERFORD 7.0 TCR
NAT-TCR DoubleTree by Hilton Los Angeles Downtown Hotel 7.0 TCR
NAT-TCR Wesampton 7.0 TCR
NAT-SIZE ORBIS RPM - Statesville 25 FTE
NAT-SIZE TMP Technologies, Inc. 25 FTE
NAT-SIZE Hickory Dyeing 25 FTE
NAT-SIZE Faf Iad 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: 2019, 2018, 2017. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.