Concrete floor surfacing · Michigan
Diama-Shield, LLC
Troy, MI · ~104 workers · 9 years of OSHA Injury Tracking Application data.
- F
- Failing Safety Record
- 9.0
- Avg TCR
- 2.8
- Industry avg
- 0
- Fatalities
The verdict
Diama-Shield, LLC runs at 320% of its industry's injury rate - far more dangerous than the typical Concrete floor surfacing workplace, earning a grade F.
Diama-Shield, LLC: 9.0 TCR = 320% of Concrete floor surfacing BLS 2.8 · 9y Form 300A (see methodology below)
Diama-Shield, LLC safety composite
Diama-Shield, LLC scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 13%), 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).
23/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- F 8.96 per 100 workers
Safer than 13% of industry peers
- DART rate
- F 6.27 per 100 workers
Safer than 13% 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
−0.7
2016→2024
Diama-Shield, LLC injury rate improved
Diama-Shield, LLC's TCR fell 0.7 from 8.6 in 2016 to 7.8 in 2024. Peak filing year was 2023 at 14.3 TCR. In 2024, DART was 0.7× this establishment's average TCR (severity share of cases).
2016=8.6 · 2017=6.8 · 2018=8.5 · 2019=4.0 · 2020=6.8 · 2021=12.3 · 2022=11.5 · 2023=14.3 · 2024=7.8
OSHA ITA Form 300A scorecard
Establishment book 238110 · Troy, MI ABOVE-IND · MID
Grade F · TCR 9.0 · 320% of ind
- DART 6.3 DART
- RANK #39/43
- PHOTO W. REYNEVELD CONSTRU…
- BOOK 9y book
- INJ 64 inj
- SIZE ~104 FTE
Nearest TCR peer: W. REYNEVELD CONSTRUCTION, INC. (0.0 TCR gap)
Read with this employer → · Industry book → · Michigan employers → · Look up another →
Diama-Shield, LLC in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- This site
Diama-Shield, LLC
9 TCR
- W. REYNEVELD C
W. REYNEVELD CONSTRUCTION, INC.
9 TCR
- THE STRUCTURE
THE STRUCTURE GROUP LLC
9 TCR
- Olshan Foundat
Olshan Foundation Repair & Waterproofing Co. of Memphis LLC
8.9 TCR
- RG Concrete, I
RG Concrete, Inc.
8.9 TCR
What this shows Diama-Shield, LLC averages 9.0 TCR (320% of the Concrete floor surfacing BLS benchmark).
Diama-Shield, LLC TCR series: 2016=8.6 · 2017=6.8 · 2018=8.5 · 2019=4 · 2020=6.8 · 2021=12.3 · 2022=11.5 · 2023=14.3 · 2024=7.8 · BLS 2.8
Where Diama-Shield, LLC falls in its industry
1,314 Concrete floor surfacing establishmentsSafer than 13% of graded establishments in this industry, whose median TCR is 3.8.
Narrower to Michigan alone (the establishments it most directly competes with for workers and contracts): ranked #39 safest of 43 Concrete floor surfacing employers in Michigan.
Diama-Shield, LLC has more employees than the Concrete floor surfacing median and a higher injury rate than the industry's median TCR of 3.8. 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 | 7.8 | 6.3 | 5 | 0 | 0 |
| 2023 | 14.3 | 6.3 | 9 | 0 | 0 |
| 2022 | 11.5 | 4.9 | 7 | 0 | 0 |
| 2021 | 12.3 | 7.7 | 8 | 0 | 0 |
| 2020 | 6.8 | 2.7 | 5 | 0 | 0 |
| 2019 | 4.0 | 2.0 | 4 | 0 | 0 |
| 2018 | 8.5 | 2.8 | 9 | 0 | 0 |
| 2017 | 6.8 | 2.9 | 7 | 0 | 0 |
| 2016 | 8.6 | 4.3 | 10 | 0 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
238110 · MI · Troy
1,314 Concrete floor surfacing employers nationwide with a credible TCR · 16,393 rated employers in Michigan with headcount on file · 237 employers in Troy, MI · 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 | W. REYNEVELD CONSTRUCTION, INC. | 9.0 TCR |
| NAICS-TCR | THE STRUCTURE GROUP LLC | 9.0 TCR |
| NAICS-TCR | Olshan Foundation Repair & Waterproofing Co. of Memphis LLC | 8.9 TCR |
| NAICS-TCR | RG Concrete, Inc. | 8.9 TCR |
| STATE-SIZE | Superior Asphalt, Inc. | 104 FTE |
| STATE-SIZE | United Electrical Contractors, Inc | 104 FTE |
| STATE-SIZE | Opus Packaging - Jackson | 104 FTE |
| STATE-SIZE | 2446_4895 | 104 FTE |
| CITY-NEAR | 2250-309 | 5,397 FTE |
| CITY-NEAR | Henry Ford Troy - Maple Road | 1,702 FTE |
| CITY-NEAR | Headquarters | 1,607 FTE |
| CITY-NEAR | Troy - Maple Road | 1,361 FTE |
| NAT-TCR | UDV | 9.0 TCR |
| NAT-TCR | LP Louisville Herr Lane, LLC--Jefferson Place | 9.0 TCR |
| NAT-TCR | Monticello | 9.0 TCR |
| NAT-TCR | 3 G Operating Co., LLC. | 9.0 TCR |
| NAT-SIZE | JA Frate, Inc. | 104 FTE |
| NAT-SIZE | Genoa Retirement Village | 104 FTE |
| NAT-SIZE | Avera Gregory Hospital | 104 FTE |
| NAT-SIZE | Redner's Warehouse Market Exeter | 104 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.