Aggregate spreaders manufacturing · Iowa

Stanley Infrastructure Manchester

Manchester, IA · ~55 workers · 3 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
6.7
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Stanley Infrastructure Manchester runs at 202% of its industry's injury rate - far more dangerous than the typical Aggregate spreaders manufacturing workplace, earning a grade F.

Stanley Infrastructure Manchester: 6.7 TCR = 202% of Aggregate spreaders manufacturing BLS 3.3 · 3y Form 300A (see methodology below)

Stanley Infrastructure Manchester safety composite

Stanley Infrastructure Manchester scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 15%), 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

29/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 6.65 per 100 workers

Safer than 27% of industry peers

DART rate
F 5.54 per 100 workers

Safer than 15% 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

−1.7

2021→2023

Stanley Infrastructure Manchester injury rate improved

Stanley Infrastructure Manchester's TCR fell 1.7 from 7.2 in 2021 to 5.5 in 2023. Peak filing year was 2021 at 7.2 TCR. In 2023, DART was 0.83× this establishment's average TCR (severity share of cases).

2021=7.2 · 2022=7.2 · 2023=5.5

OSHA ITA Form 300A scorecard

Establishment book 333120 · Manchester, IA ABOVE-IND · SMALL

Grade F · TCR 6.7 · 202% of ind

  • DART 5.5 DART
  • RANK #13/25
  • PHOTO Schwing America, Inc.
  • BOOK 3y book
  • INJ 10 inj
  • SIZE ~55 FTE

Nearest TCR peer: Schwing America, Inc. (0.0 TCR gap)

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

Stanley Infrastructure Manchester in the TCR neighbourhood

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

TCR

What this shows Stanley Infrastructure Manchester averages 6.7 TCR (202% of the Aggregate spreaders manufacturing BLS benchmark).

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

Stanley Infrastructure Manchester TCR series: 2021=7.2 · 2022=7.2 · 2023=5.5 · BLS 3.3

Where Stanley Infrastructure Manchester falls in its industry

400 Aggregate spreaders manufactur establishments

Safer than 27% of graded establishments in this industry, whose median TCR is 4.0.

More dangerous than peersSafer than peers

Narrower to Iowa alone (the establishments it most directly competes with for workers and contracts): ranked #13 safest of 25 Aggregate spreaders manufactur employers in Iowa.

Stanley Infrastructure Manchester (55 employees, TCR 6.7) among 29 same-industry peers, split at the industry median of 87 employees and a TCR of 4.0 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 0100200300400500 05101520 Average employees Total Case Rate Stanley Infrastructure Manchester
Stanley Infrastructure Manchester (55 employees, TCR 6.7) among 29 same-industry peers, split at the industry median of 87 employees and a TCR of 4.0

Stanley Infrastructure Manchester has fewer employees than the Aggregate spreaders manufacturing median and a higher injury rate than the industry's median TCR of 4.0. 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
2023 5.5 5.5 3 0 0
2022 7.2 4.3 5 0 0
2021 7.2 0.0 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

333120 · IA · Manchester

400 Aggregate spreaders manufacturing employers nationwide with a credible TCR · 7,192 rated employers in Iowa with headcount on file · 24 employers in Manchester, 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 Schwing America, Inc. 6.6 TCR
NAICS-TCR MIDWEST INDUSTRIAL SALES 6.6 TCR
NAICS-TCR Virnig Manufacturing Rice MN 6.6 TCR
NAICS-TCR TSE International 6.6 TCR
STATE-SIZE Oakridge 55 FTE
STATE-SIZE DuPont Pioneer - Algona Research - ALG2 55 FTE
STATE-SIZE City of Altoona- Streets 55 FTE
STATE-SIZE Quality Traffic Control, Inc. 55 FTE
CITY-NEAR Regional Medical Center 482 FTE
CITY-NEAR Stryten Manchester LLC 271 FTE
CITY-NEAR Henderson Products 268 FTE
CITY-NEAR Manufacturing 264 FTE
NAT-TCR Tim Chesney Sidney 6.7 TCR
NAT-TCR Nursing Home 6.7 TCR
NAT-TCR Missouri Construction 6.7 TCR
NAT-TCR 55443 Chicago PACE 6.7 TCR
NAT-SIZE Nickson Living 55 FTE
NAT-SIZE TI Wire 55 FTE
NAT-SIZE Edith Location 55 FTE
NAT-SIZE The Grand Residence at Upper St. Clair 55 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.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.