School bus services · Wisconsin

STA-Hamilton (DYL-360)

Name: STA-Hamilton (DYL-360) Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Lannon, WI · ~46 workers · 5 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

D
Poor Safety Record: 5.5
Avg TCR: 4.5
Industry avg: 0
Fatalities

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The verdict

STA-Hamilton (DYL-360) runs at 122% of its industry's injury rate - more dangerous than the typical School bus services workplace, earning a grade D.

STA-Hamilton (DYL-360): 5.5 TCR = 122% of School bus services BLS 4.5 · 5y Form 300A (see methodology below)

STA-Hamilton (DYL-360) safety composite

STA-Hamilton (DYL-360) scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 32%), 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).

37/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): F 5.51 per 100 workers

Safer than 33% of industry peers
DART rate: F 3.83 per 100 workers

Safer than 32% 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%).

Rising injury rate

STA-Hamilton (DYL-360): 3.7 → 7.7 TCR

Peak year 2020 @ 10.0 TCR · DART/TCR 0.7× in 2021

STA-Hamilton (DYL-360)'s TCR rose 4.0 from 3.7 in 2017 to 7.7 in 2021. Peak filing year was 2020 at 10.0 TCR. In 2021, DART was 0.7× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 485410 · Lannon, WI ABOVE-IND · SMALL

Grade D · TCR 5.5 · 122% of ind

DART 3.8 DART
RANK #30/48
PHOTO 593-Lewisville Mill St
BOOK 5y book
INJ 7 inj
SIZE ~46 FTE

Nearest TCR peer: 593-Lewisville Mill St (0.0 TCR gap)

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This site

5.5
593-Lewisville

5.5
533012-Burleso

5.5
0000000701 TRA

5.5
First Student

5.5

What this shows STA-Hamilton (DYL-360) averages 5.5 TCR (122% of the School bus services BLS benchmark).

STA-Hamilton (DYL-360) TCR series: 2017=3.7 · 2018=6.2 · 2019=0 · 2020=10 · 2021=7.7 · BLS 4.5

Where STA-Hamilton (DYL-360) falls in its industry

1,574 School bus services establishments

Safer than 33% of graded establishments in this industry, whose median TCR is 4.3.

Grade D

More dangerous than peersSafer than peers

Narrower to Wisconsin alone (the establishments it most directly competes with for workers and contracts): ranked #30 safest of 48 School bus services employers in Wisconsin.

STA-Hamilton (DYL-360) (46 employees, TCR 5.5) among 29 same-industry peers, split at the industry median of 74 employees and a TCR of 4.3

STA-Hamilton (DYL-360) has fewer employees than the School bus services median and a higher injury rate than the industry's median TCR of 4.3. 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
2021	7.7	3.8	2
2020	10.0	5.0	2
2019	0.0	0.0	0
2018	6.2	3.1	2
2017	3.7	3.7	1

OSHA ITA peer cross-reference

Establishment peer ledger

485410 · WI · Lannon

1,574 School bus services employers nationwide with a credible TCR · 12,834 rated employers in Wisconsin with headcount on file · 14 employers in Lannon, WI · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel	Establishment	Place	Metric
NAICS-TCR	593-Lewisville Mill St	LEWISVILLE, TX	5.5 TCR
NAICS-TCR	533012-Burleson \| TX \| TEX-760	BURLESON, TX	5.5 TCR
NAICS-TCR	0000000701 TRANSIT-SCHOOL	JOHNSON CITY, TN	5.5 TCR
NAICS-TCR	First Student	PLYMOUTH, MA	5.5 TCR
STATE-SIZE	Farmland Management Services - Wisconsin	WISCONSIN RAPIDS	46 FTE
STATE-SIZE	Baraboo Operations	BARABOO	46 FTE
STATE-SIZE	Schuh General Construction	SEYMOUR	46 FTE
STATE-SIZE	Holtz Builders, Inc.	LAKE DELTON	46 FTE
CITY-NEAR	ChemRite CoPac, Inc	Lannon	88 FTE
CITY-NEAR	RAMS CONTRACTING, LTD	Lannon	63 FTE
CITY-NEAR	Johnson and Sons Paving Co	Lannon	54 FTE
CITY-NEAR	Aluminum Foundry of Wisconsin LLC	Lannon	53 FTE
NAT-TCR	SSS Brevard OPCO LLC	Melbourne, FL	5.5 TCR
NAT-TCR	Blount - Oregon (IL)	Oregon, IL	5.5 TCR
NAT-TCR	4769-6029-Williams Sonoma	Lynnfield, MA	5.5 TCR
NAT-TCR	Orscheln Farm and Home LLC 148	Iola, KS	5.5 TCR
NAT-SIZE	Pallet Mill	Ellington, MO	46 FTE
NAT-SIZE	NMC Group North Platte	North Platte, NE	46 FTE
NAT-SIZE	Holland Greenhouses Inc.	Monroe Township, NJ	46 FTE
NAT-SIZE	4818-WASP	Spokane, WA	46 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: 2021, 2020, 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.