Mechanical contractors · South Carolina
W.O. Blackstone & Co., Inc.
Columbia, SC · ~120 workers · 5 years of OSHA Injury Tracking Application data.
- D
- Poor Safety Record
- 4.4
- Avg TCR
- 2.8
- Industry avg
- 0
- Fatalities
The verdict
W.O. Blackstone & Co., Inc. runs at 156% of its industry's injury rate - more dangerous than the typical Mechanical contractors workplace, earning a grade D.
W.O. Blackstone & Co., Inc.: 4.4 TCR = 156% of Mechanical contractors BLS 2.8 · 5y Form 300A (see methodology below)
W.O. Blackstone & Co., Inc. safety composite
W.O. Blackstone & Co., Inc. scores strongest on fatalities (safer than 51% 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).
40/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- D 4.36 per 100 workers
Safer than 40% of industry peers
- DART rate
- F 2.68 per 100 workers
Safer than 32% 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
W.O. Blackstone & Co., Inc.: 3.9 → 8.9 TCR
Peak year 2023 @ 8.9 TCR · DART/TCR 0.61× in 2023
W.O. Blackstone & Co., Inc.'s TCR rose 5.0 from 3.9 in 2019 to 8.9 in 2023. In 2023, DART was 0.61× this establishment's average TCR (severity share of cases).
OSHA ITA Form 300A scorecard
Establishment book 238220 · Columbia, SC ABOVE-IND · MID
Grade D · TCR 4.4 · 156% of ind
- DART 2.7 DART
- RANK #39/54
- PHOTO Advantage Air Condit…
- BOOK 5y book
- INJ 24 inj
- SIZE ~120 FTE
Nearest TCR peer: Advantage Air Conditioning ofVA (0.0 TCR gap)
Read with this employer → · Industry book → · South Carolina employers → · Look up another →
W.O. Blackstone & Co., Inc. in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- This site
W.O. Blackstone & Co., Inc.
4.4 TCR
- Advantage Air
Advantage Air Conditioning ofVA
4.4 TCR
- Main Office
Main Office
4.4 TCR
- Koorsen Fire &
Koorsen Fire & Security Cincinnati
4.4 TCR
- Sunnyfield Cor
Sunnyfield Corp
4.4 TCR
What this shows W.O. Blackstone & Co., Inc. averages 4.4 TCR (156% of the Mechanical contractors BLS benchmark).
W.O. Blackstone & Co., Inc. TCR series: 2019=3.9 · 2020=3.4 · 2021=2.9 · 2022=2.6 · 2023=8.9 · BLS 2.8
Where W.O. Blackstone & Co., Inc. falls in its industry
5,793 Mechanical contractors establishmentsSafer than 40% of graded establishments in this industry, whose median TCR is 3.3.
Narrower to South Carolina alone (the establishments it most directly competes with for workers and contracts): ranked #39 safest of 54 Mechanical contractors employers in South Carolina.
W.O. Blackstone & Co., Inc. has more employees than the Mechanical contractors median and a higher injury rate than the industry's median TCR of 3.3. 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 | Illnesses | Fatalities |
|---|---|---|---|---|---|
| 2023 | 8.9 | 2.7 | 10 | 0 | 0 |
| 2022 | 2.6 | 0.9 | 3 | 0 | 0 |
| 2021 | 2.9 | 1.9 | 3 | 0 | 0 |
| 2020 | 3.4 | 0.8 | 4 | 0 | 0 |
| 2019 | 3.9 | 1.0 | 4 | 0 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
238220 · SC · Columbia
5,793 Mechanical contractors employers nationwide with a credible TCR · 7,610 rated employers in South Carolina with headcount on file · 542 employers in Columbia, SC · 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 | Advantage Air Conditioning ofVA | 4.4 TCR |
| NAICS-TCR | Main Office | 4.4 TCR |
| NAICS-TCR | Koorsen Fire & Security Cincinnati | 4.4 TCR |
| NAICS-TCR | Sunnyfield Corp | 4.4 TCR |
| STATE-SIZE | Advanced Concrete Cutting & Coring, LLC | 120 FTE |
| STATE-SIZE | Milliken & Company- Enterprise | 120 FTE |
| STATE-SIZE | Integrated Turf Solutions | 120 FTE |
| STATE-SIZE | Bennettsville MDF | 120 FTE |
| CITY-NEAR | Palmetto Health Richland | 5,949 FTE |
| CITY-NEAR | Prisma Health Richland | 4,729 FTE |
| CITY-NEAR | South Carolina Department of Transportation | 4,400 FTE |
| CITY-NEAR | SC Department of Transportation | 3,864 FTE |
| NAT-TCR | Brookdale North Glendale | 4.4 TCR |
| NAT-TCR | Police | 4.4 TCR |
| NAT-TCR | D. C. Taylor Co Chicago Illinois | 4.4 TCR |
| NAT-TCR | STG Inc. | 4.4 TCR |
| NAT-SIZE | Baker Drywall San Antonio, Ltd | 120 FTE |
| NAT-SIZE | Akron MFG (IND, INFRA) | 120 FTE |
| NAT-SIZE | EPC Services Company | 120 FTE |
| NAT-SIZE | Children's Outpatient-Mobile | 120 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.