Addition, alteration and renovation, general contractors, industrial building (except warehouses) · Pennsylvania
Irwin & Leighton
King of Prussia, PA · ~50 workers · 7 years of OSHA Injury Tracking Application data.
- A
- Excellent Safety Record
- 0.3
- Avg TCR
- 2.9
- Industry avg
- 0
- Fatalities
The verdict
Irwin & Leighton runs at 9% of its industry's injury rate - far safer than the typical Addition, alteration and renovation, general contractors, industrial building (except warehouses) workplace, earning a grade A.
Irwin & Leighton: 0.3 TCR = 9% of Addition, alteration and renovation, general contractors, industrial building (except warehouses) BLS 2.9 · 7y Form 300A (see methodology below)
Irwin & Leighton safety composite
Irwin & Leighton scores strongest on total case rate (tcr) (safer than 92% of same-industry peers) and weakest on fatalities (safer than 51%), 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).
75/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- A 0.27 per 100 workers
Safer than 92% of industry peers
- DART rate
- C 0 per 100 workers
Safer than 73% 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
Irwin & Leighton: 0.0 → 1.9 TCR
Peak year 2024 @ 1.9 TCR · DART/TCR 0× in 2024
Irwin & Leighton's TCR rose 1.9 from 0.0 in 2018 to 1.9 in 2024. In 2024, DART was 0× this establishment's average TCR (severity share of cases).
OSHA ITA Form 300A scorecard
Establishment book 236210 · King of Prussia, PA AT/BELOW-IND · SMALL
Grade A · TCR 0.3 · 9% of ind
- DART 0.0 DART
- RANK #1/33
- PHOTO Bay Ltd.
- BOOK 7y book
- INJ 1 inj
- SIZE ~50 FTE
Nearest TCR peer: Bay Ltd. (0.0 TCR gap)
Read with this employer → · Industry book → · Pennsylvania employers → · Look up another →
Irwin & Leighton in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- This site 0.3
Irwin & Leighton
0.3 TCR
- Bay Ltd. 0.3
Bay Ltd.
0.3 TCR
- Quality Plus S 0.3
Quality Plus Services
0.3 TCR
- Port Arthur Li 0.3
Port Arthur Liquefaction Project
0.3 TCR
- H+M Industrial 0.3
H+M Industrial EPC
0.3 TCR
What this shows Irwin & Leighton averages 0.3 TCR (9% of the Addition, alteration and renovation, general contractors, industrial building (except warehouses) BLS benchmark).
Irwin & Leighton TCR series: 2018=0 · 2019=0 · 2020=0 · 2021=0 · 2022=0 · 2023=0 · 2024=1.9 · BLS 2.9
Where Irwin & Leighton falls in its industry
924 Addition, alteration and renov establishmentsSafer than 92% of graded establishments in this industry, whose median TCR is 1.6.
Narrower to Pennsylvania alone (the establishments it most directly competes with for workers and contracts): ranked #1 safest of 33 Addition, alteration and renov employers in Pennsylvania.
Irwin & Leighton has fewer employees than the Addition, alteration and renovation, gen median and a lower injury rate than the industry's median TCR of 1.6. 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 |
|---|---|---|---|---|---|
| 2024 | 1.9 | 0.0 | 1 | 0 | 0 |
| 2023 | 0.0 | 0.0 | 0 | 0 | 0 |
| 2022 | 0.0 | 0.0 | 0 | 0 | 0 |
| 2021 | 0.0 | 0.0 | 0 | 0 | 0 |
| 2020 | 0.0 | 0.0 | 0 | 0 | 0 |
| 2019 | 0.0 | 0.0 | 0 | 0 | 0 |
| 2018 | 0.0 | 0.0 | 0 | 0 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
236210 · PA · King of Prussia
924 Addition, alteration and renovation, general contractors, industrial building (except warehouses) employers nationwide with a credible TCR · 22,692 rated employers in Pennsylvania with headcount on file · 183 employers in King of Prussia, PA · 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 | Bay Ltd. | 0.3 TCR |
| NAICS-TCR | Quality Plus Services | 0.3 TCR |
| NAICS-TCR | Port Arthur Liquefaction Project | 0.3 TCR |
| NAICS-TCR | H+M Industrial EPC | 0.3 TCR |
| STATE-SIZE | To-Jo Food Products Inc. | 50 FTE |
| STATE-SIZE | Kulp Family Dairy LLC | 50 FTE |
| STATE-SIZE | Maronda Homes Inc of Pennsylvania | 50 FTE |
| STATE-SIZE | Home Remodeling Pros of Central PA | 50 FTE |
| CITY-NEAR | 199897 | 9,243 FTE |
| CITY-NEAR | Lockheed Martin Corporation Valley Forge (1029) | 2,070 FTE |
| CITY-NEAR | CSL Behring, King of Prussia | 1,147 FTE |
| CITY-NEAR | AMZL : DPH2 | 1,109 FTE |
| NAT-TCR | Supported Independence Srvc of or - 1055 Darlene | 0.3 TCR |
| NAT-TCR | Augusta Corporate Office | 0.3 TCR |
| NAT-TCR | Sodexo at Minnesota State Univ Moorhead | 0.3 TCR |
| NAT-TCR | Robert Half - CA San Ramon Corp 90000 | 0.3 TCR |
| NAT-SIZE | Solution Builders, LLC. | 50 FTE |
| NAT-SIZE | Innovative Casting Technologies, Inc | 50 FTE |
| NAT-SIZE | Winchester Utility System | 50 FTE |
| NAT-SIZE | Accent Stripe, Inc. | 50 FTE |
Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →
Read our methodology - how this data is sourced, computed, and verified.