Plumbing/Heating/AC Contractors · Maryland
Chesapeake Systems, LLC
Hanover, MD · ~89 workers · 7 years of OSHA Injury Tracking Application data.
- B
- Good Safety Record
- 1.6
- Avg TCR
- 2.8
- Industry avg
- 0
- Fatalities
The verdict
Chesapeake Systems, LLC runs at 58% of its industry's injury rate - safer than the typical Plumbing/Heating/AC Contractors workplace, earning a grade B.
Chesapeake Systems, LLC: 1.6 TCR = 58% of Plumbing/Heating/AC Contractors BLS 2.8 · 7y Form 300A (see methodology below)
Chesapeake Systems, LLC safety composite
Chesapeake Systems, LLC scores strongest on total case rate (tcr) (safer than 75% of same-industry peers) and weakest on dart rate (safer than 50%), 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).
60/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- B 1.63 per 100 workers
Safer than 75% of industry peers
- DART rate
- D 1.14 per 100 workers
Safer than 50% 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
−71.3
2017→2024
Chesapeake Systems, LLC injury rate improved
Chesapeake Systems, LLC's TCR fell 71.3 from 72.5 in 2017 to 1.1 in 2024. Peak filing year was 2017 at 72.5 TCR. In 2024, DART was 0.7× this establishment's average TCR (severity share of cases).
2017=72.5 · 2018=1.8 · 2019=0.9 · 2021=1.2 · 2022=2.4 · 2023=2.3 · 2024=1.1
OSHA ITA Form 300A scorecard
Establishment book 238220 · Hanover, MD AT/BELOW-IND · SMALL
Grade B · TCR 1.6 · 58% of ind
- DART 1.1 DART
- RANK #36/121
- PHOTO River City Mechanical
- BOOK 7y book
- INJ 9 inj
- SIZE ~89 FTE
Nearest TCR peer: River City Mechanical (0.0 TCR gap)
Read with this employer → · Industry book → · Maryland employers → · Look up another →
Chesapeake Systems, LLC in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- This site
Chesapeake Systems, LLC
1.6 TCR
- River City Mec
River City Mechanical
1.6 TCR
- LG Ellis Plumb
LG Ellis Plumbing, Inc
1.6 TCR
- Air Conditioni
Air Conditioning Innovative Solutions, Inc
1.6 TCR
- Intermech Inc.
Intermech Inc.
1.6 TCR
What this shows Chesapeake Systems, LLC averages 1.6 TCR (58% of the Plumbing/Heating/AC Contractors BLS benchmark).
Chesapeake Systems, LLC TCR series: 2017=72.5 · 2018=1.8 · 2019=0.9 · 2021=1.2 · 2022=2.4 · 2023=2.3 · 2024=1.1 · BLS 2.8
Where Chesapeake Systems, LLC falls in its industry
5,793 Plumbing/Heating/AC Contractor establishmentsSafer than 75% of graded establishments in this industry, whose median TCR is 3.3.
Narrower to Maryland alone (the establishments it most directly competes with for workers and contracts): ranked #36 safest of 121 Plumbing/Heating/AC Contractor employers in Maryland.
Chesapeake Systems, LLC has more employees than the Plumbing/Heating/AC Contractors 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 | 1.1 | 1.1 | 1 | 0 | 0 |
| 2023 | 2.3 | 1.2 | 2 | 0 | 0 |
| 2022 | 2.4 | 0.0 | 2 | 0 | 0 |
| 2021 | 1.2 | 1.2 | 1 | 0 | 0 |
| 2019 | 0.9 | 0.9 | 1 | 0 | 0 |
| 2018 | 1.8 | 1.8 | 1 | 0 | 0 |
| 2017 | 72.5 | 72.5 | 1 | 0 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
238220 · MD · Hanover
5,793 Plumbing/Heating/AC Contractors employers nationwide with a credible TCR · 7,213 rated employers in Maryland with headcount on file · 121 employers in Hanover, MD · 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 | River City Mechanical | 1.6 TCR |
| NAICS-TCR | LG Ellis Plumbing, Inc | 1.6 TCR |
| NAICS-TCR | Air Conditioning Innovative Solutions, Inc | 1.6 TCR |
| NAICS-TCR | Intermech Inc. | 1.6 TCR |
| STATE-SIZE | PEPCO- Control Center | 89 FTE |
| STATE-SIZE | Tri Pointe Homes DC Metro | 89 FTE |
| STATE-SIZE | Harvey-Cleary Builders - Maryland | 89 FTE |
| STATE-SIZE | Comer Construction, Inc. | 89 FTE |
| CITY-NEAR | PPE Casino Resorts Maryland d/b/a Live! Casino & Hotel | 2,371 FTE |
| CITY-NEAR | Keller North America Inc. | 2,303 FTE |
| CITY-NEAR | Ciena - Remote workers | 1,746 FTE |
| CITY-NEAR | PEAPOD HANOVER WAREHOUSE | 1,556 FTE |
| NAT-TCR | Glatt Air Techniques, Inc. | 1.6 TCR |
| NAT-TCR | Gast Manufacturing | 1.6 TCR |
| NAT-TCR | 30 Spur Dr. El Paso TX | 1.6 TCR |
| NAT-TCR | AC Schommer & Sons, Inc. | 1.6 TCR |
| NAT-SIZE | FitzGerald and Sons Plumbing Company | 89 FTE |
| NAT-SIZE | St. Charles Care Center Inc | 89 FTE |
| NAT-SIZE | Lucy Craft Laney Elementary | 89 FTE |
| NAT-SIZE | Telect-WA | 89 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.