Building cleaning services, janitorial · Tennessee
Duncan & Sons' Building Maintenance LLC
Knoxville, TN · ~274 workers · 8 years of OSHA Injury Tracking Application data.
- C
- Average Safety Record
- 4.2
- Avg TCR
- 4.5
- Industry avg
- 0
- Fatalities
The verdict
Duncan & Sons' Building Maintenance LLC runs at 92% of its industry's injury rate - about level with the typical Building cleaning services, janitorial workplace, earning a grade C.
Duncan & Sons' Building Maintenance LLC: 4.2 TCR = 92% of Building cleaning services, janitorial BLS 4.5 · 8y Form 300A (see methodology below)
Duncan & Sons' Building Maintenance LLC safety composite
Duncan & Sons' Building Maintenance LLC scores strongest on dart rate (safer than 53% of same-industry peers) and weakest on total case rate (tcr) (safer than 38%), 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).
46/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- D 4.15 per 100 workers
Safer than 38% of industry peers
- DART rate
- D 0.72 per 100 workers
Safer than 53% 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%).
TCR Δ
−7.6
2016→2023
Duncan & Sons' Building Maintenance LLC injury rate improved
Duncan & Sons' Building Maintenance LLC's TCR fell 7.6 from 8.3 in 2016 to 0.7 in 2023. Peak filing year was 2016 at 8.3 TCR. In 2023, DART was 0.17× this establishment's average TCR (severity share of cases).
2016=8.3 · 2017=7.3 · 2018=4.6 · 2019=3.6 · 2020=3.5 · 2021=3.6 · 2022=1.7 · 2023=0.7
OSHA ITA Form 300A scorecard
Establishment book 561720 · Knoxville, TN AT/BELOW-IND · MID
Grade C · TCR 4.2 · 92% of ind
- DART 0.7 DART
- RANK #84/119
- PHOTO Fields Services, Inc.
- BOOK 8y book
- INJ 49 inj
- SIZE ~274 FTE
Nearest TCR peer: Fields Services, Inc. (0.0 TCR gap)
Read with this employer → · Industry book → · Tennessee employers → · Look up another →
Duncan & Sons' Building Maintenance LLC in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- This site
Duncan & Sons' Building Maintenance LLC
4.2 TCR
- Fields Service
Fields Services, Inc.
4.2 TCR
- ETMC - Athens
ETMC - Athens
4.2 TCR
- QSI-Carthage
QSI-Carthage
4.2 TCR
- BBB 12700
BBB 12700
4.2 TCR
What this shows Duncan & Sons' Building Maintenance LLC averages 4.2 TCR (92% of the Building cleaning services, janitorial BLS benchmark).
Duncan & Sons' Building Maintenance LLC TCR series: 2016=8.3 · 2017=7.3 · 2018=4.6 · 2019=3.6 · 2020=3.5 · 2021=3.6 · 2022=1.7 · 2023=0.7 · BLS 4.5
Where Duncan & Sons' Building Maintenance LLC falls in its industry
4,064 Building cleaning services, ja establishmentsSafer than 38% of graded establishments in this industry, whose median TCR is 3.2.
Narrower to Tennessee alone (the establishments it most directly competes with for workers and contracts): ranked #84 safest of 119 Building cleaning services, ja employers in Tennessee.
Duncan & Sons' Building Maintenance LLC has more employees than the Building cleaning services, janitorial median and a higher injury rate than the industry's median TCR of 3.2. 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 | 0.7 | 0.7 | 2 | 0 | 0 |
| 2022 | 1.7 | 0.8 | 4 | 0 | 0 |
| 2021 | 3.6 | 2.7 | 6 | 2 | 0 |
| 2020 | 3.5 | 1.0 | 7 | 0 | 0 |
| 2019 | 3.6 | 1.2 | 6 | 0 | 0 |
| 2018 | 4.6 | 3.3 | 7 | 0 | 0 |
| 2017 | 7.3 | 5.7 | 9 | 0 | 0 |
| 2016 | 8.3 | 6.2 | 8 | 0 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
561720 · TN · Knoxville
4,064 Building cleaning services, janitorial employers nationwide with a credible TCR · 10,743 rated employers in Tennessee with headcount on file · 747 employers in Knoxville, TN · 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 | Fields Services, Inc. | 4.2 TCR |
| NAICS-TCR | ETMC - Athens | 4.2 TCR |
| NAICS-TCR | QSI-Carthage | 4.2 TCR |
| NAICS-TCR | BBB 12700 | 4.2 TCR |
| STATE-SIZE | 143163 | 274 FTE |
| STATE-SIZE | Praxis Savannah | 274 FTE |
| STATE-SIZE | Toyota of Knoxville, Inc. | 274 FTE |
| STATE-SIZE | 026-00683 | 274 FTE |
| CITY-NEAR | Cellular Sales Services Group LLC | 6,387 FTE |
| CITY-NEAR | University Health System, Inc | 5,215 FTE |
| CITY-NEAR | Functional Pathways of TN LLC | 2,258 FTE |
| CITY-NEAR | HES Facilities Services K-12 | 2,157 FTE |
| NAT-TCR | Lakeland Mills Inc | 4.2 TCR |
| NAT-TCR | EU - Eugene | 4.2 TCR |
| NAT-TCR | Stoelzle Glass USA Inc. | 4.2 TCR |
| NAT-TCR | New England Life Flight | 4.2 TCR |
| NAT-SIZE | Parkdale America LLC Plant 24 | 274 FTE |
| NAT-SIZE | Pds2 - Public Defense Services | 274 FTE |
| NAT-SIZE | Robert Bearden Inc. | 274 FTE |
| NAT-SIZE | RiverMead | 274 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.