HVAC (heating, ventilation and air-conditioning) contractors · Delaware
Calvert Mechanical Systems
Wilmington, DE · ~37 workers · 5 years of OSHA Injury Tracking Application data.
- A
- Excellent Safety Record
- 0.6
- Avg TCR
- 2.8
- Industry avg
- 0
- Fatalities
The verdict
Calvert Mechanical Systems runs at 21% of its industry's injury rate - far safer than the typical HVAC (heating, ventilation and air-conditioning) contractors workplace, earning a grade A.
Calvert Mechanical Systems: 0.6 TCR = 21% of HVAC (heating, ventilation and air-conditioning) contractors BLS 2.8 · 5y Form 300A (see methodology below)
Calvert Mechanical Systems safety composite
Calvert Mechanical Systems scores strongest on total case rate (tcr) (safer than 95% 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).
79/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- A 0.58 per 100 workers
Safer than 95% of industry peers
- DART rate
- B 0 per 100 workers
Safer than 80% 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
Calvert Mechanical Systems: 0.0 → 2.9 TCR
Peak year 2024 @ 2.9 TCR · DART/TCR 0× in 2024
Calvert Mechanical Systems's TCR rose 2.9 from 0.0 in 2020 to 2.9 in 2024. In 2024, DART was 0× this establishment's average TCR (severity share of cases).
OSHA ITA Form 300A scorecard
Establishment book 238220 · Wilmington, DE AT/BELOW-IND · SMALL
Grade A · TCR 0.6 · 21% of ind
- DART 0.0 DART
- RANK #3/32
- PHOTO Jack's Mechanical So…
- BOOK 5y book
- INJ 1 inj
- SIZE ~37 FTE
Nearest TCR peer: Jack's Mechanical Solutions, Inc. (0.0 TCR gap)
Read with this employer → · Industry book → · Delaware employers → · Look up another →
Calvert Mechanical Systems in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- This site
Calvert Mechanical Systems
0.6 TCR
- Jack's Mechani
Jack's Mechanical Solutions, Inc.
0.6 TCR
- Minneapolis
Minneapolis
0.6 TCR
- 4758_10853
4758_10853
0.6 TCR
- National Fire
National Fire & Life Safety
0.6 TCR
What this shows Calvert Mechanical Systems averages 0.6 TCR (21% of the HVAC (heating, ventilation and air-conditioning) contractors BLS benchmark).
Calvert Mechanical Systems TCR series: 2020=0 · 2021=0 · 2022=0 · 2023=0 · 2024=2.9 · BLS 2.8
Where Calvert Mechanical Systems falls in its industry
5,793 HVAC (heating, ventilation and establishmentsSafer than 95% of graded establishments in this industry, whose median TCR is 3.3.
Narrower to Delaware alone (the establishments it most directly competes with for workers and contracts): ranked #3 safest of 32 HVAC (heating, ventilation and employers in Delaware.
Calvert Mechanical Systems has fewer employees than the HVAC (heating, ventilation and air-condi median and a lower 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 |
|---|---|---|---|---|---|
| 2024 | 2.9 | 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 |
OSHA ITA peer cross-reference
Establishment peer ledger
238220 · DE · Wilmington
5,793 HVAC (heating, ventilation and air-conditioning) contractors employers nationwide with a credible TCR · 1,487 rated employers in Delaware with headcount on file · 309 employers in Wilmington, DE · 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 | Jack's Mechanical Solutions, Inc. | 0.6 TCR |
| NAICS-TCR | Minneapolis | 0.6 TCR |
| NAICS-TCR | 4758_10853 | 0.6 TCR |
| NAICS-TCR | National Fire & Life Safety | 0.6 TCR |
| STATE-SIZE | Hatzel & Buehler, Inc. HQ | 37 FTE |
| STATE-SIZE | JMT Services | 37 FTE |
| STATE-SIZE | Corrado American LLC | 37 FTE |
| STATE-SIZE | Austin & Bednash Construction, Inc. | 37 FTE |
| CITY-NEAR | 10 Wilmington | 9,107 FTE |
| CITY-NEAR | AstraZeneca Pharmaceuticals (Commercial Field-Based Personnel) | 4,907 FTE |
| CITY-NEAR | Amazon.com Services LLC - MTN1 | 3,143 FTE |
| CITY-NEAR | Hatzel & Buehler, Inc. | 1,841 FTE |
| NAT-TCR | Port Of Houston | 0.6 TCR |
| NAT-TCR | Raymond - Southern California, Inc. | 0.6 TCR |
| NAT-TCR | Pageland | 0.6 TCR |
| NAT-TCR | 4018172 - Delta Sky Way at LAX | 0.6 TCR |
| NAT-SIZE | Surly Brewing Company - 504 | 37 FTE |
| NAT-SIZE | Virginia Varsity Transfer, Inc | 37 FTE |
| NAT-SIZE | Transcon Company LLC | 37 FTE |
| NAT-SIZE | Ka Eo Kai | 37 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.