Heating, ventilation and air-conditioning (HVAC) contractors · Maryland
Mechanical Design Systems, Inc.
Clinton, MD · ~67 workers · 7 years of OSHA Injury Tracking Application data.
- C
- Average Safety Record
- 2.4
- Avg TCR
- 2.8
- Industry avg
- 0
- Fatalities
The verdict
Mechanical Design Systems, Inc. runs at 85% of its industry's injury rate - about level with the typical Heating, ventilation and air-conditioning (HVAC) contractors workplace, earning a grade C.
Mechanical Design Systems, Inc.: 2.4 TCR = 85% of Heating, ventilation and air-conditioning (HVAC) contractors BLS 2.8 · 7y Form 300A (see methodology below)
Mechanical Design Systems, Inc. safety composite
Mechanical Design Systems, Inc. scores strongest on dart rate (safer than 80% 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).
66/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- C 2.39 per 100 workers
Safer than 62% 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%).
TCR Δ
−7.0
2018→2024
Mechanical Design Systems, Inc. injury rate improved
Mechanical Design Systems, Inc.'s TCR fell 7.0 from 7.0 in 2018 to 0.0 in 2024. Peak filing year was 2018 at 7.0 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).
2018=7.0 · 2019=2.8 · 2020=5.3 · 2021=1.6 · 2022=0.0 · 2023=0.1 · 2024=0.0
OSHA ITA Form 300A scorecard
Establishment book 238220 · Clinton, MD AT/BELOW-IND · SMALL
Grade C · TCR 2.4 · 85% of ind
- DART 0.0 DART
- RANK #56/121
- PHOTO On Point HVAC Corp
- BOOK 7y book
- INJ 20 inj
- SIZE ~67 FTE
Nearest TCR peer: On Point HVAC Corp (0.0 TCR gap)
Read with this employer → · Industry book → · Maryland employers → · Look up another →
Mechanical Design Systems, Inc. in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- This site
Mechanical Design Systems, Inc.
2.4 TCR
- On Point HVAC
On Point HVAC Corp
2.4 TCR
- Walker J Walke
Walker J Walker
2.4 TCR
- Valley Fire Pr
Valley Fire Protection Systems, LLC
2.4 TCR
- AC & R Special
AC & R Specialists
2.4 TCR
What this shows Mechanical Design Systems, Inc. averages 2.4 TCR (85% of the Heating, ventilation and air-conditioning (HVAC) contractors BLS benchmark).
Mechanical Design Systems, Inc. TCR series: 2018=7 · 2019=2.8 · 2020=5.3 · 2021=1.6 · 2022=0 · 2023=0.1 · 2024=0 · BLS 2.8
Where Mechanical Design Systems, Inc. falls in its industry
5,793 Heating, ventilation and air-c establishmentsSafer than 62% 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 #56 safest of 121 Heating, ventilation and air-c employers in Maryland.
Mechanical Design Systems, Inc. has more employees than the Heating, ventilation and air-conditionin 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 | 0.0 | 0.0 | 4 | 0 | 0 |
| 2023 | 0.1 | 0.0 | 4 | 0 | 0 |
| 2022 | 0.0 | 0.0 | 1 | 0 | 0 |
| 2021 | 1.6 | 0.0 | 1 | 0 | 0 |
| 2020 | 5.3 | 3.9 | 4 | 0 | 0 |
| 2019 | 2.8 | 1.4 | 2 | 0 | 0 |
| 2018 | 7.0 | 5.3 | 4 | 0 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
238220 · MD · Clinton
5,793 Heating, ventilation and air-conditioning (HVAC) contractors employers nationwide with a credible TCR · 7,213 rated employers in Maryland with headcount on file · 29 employers in Clinton, 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 | On Point HVAC Corp | 2.4 TCR |
| NAICS-TCR | Walker J Walker | 2.4 TCR |
| NAICS-TCR | Valley Fire Protection Systems, LLC | 2.4 TCR |
| NAICS-TCR | AC & R Specialists | 2.4 TCR |
| STATE-SIZE | Netcom Technologies | 67 FTE |
| STATE-SIZE | Fabrication shop | 67 FTE |
| STATE-SIZE | G&M Services, LLC | 67 FTE |
| STATE-SIZE | S.E.W. Friel LLC | 67 FTE |
| CITY-NEAR | Medstar Southern Maryland Hospital | 1,419 FTE |
| CITY-NEAR | Mona Electric Group Inc | 724 FTE |
| CITY-NEAR | 2799 | 337 FTE |
| CITY-NEAR | WM 2799 | 291 FTE |
| NAT-TCR | NJ VNA Atlantic County | 2.4 TCR |
| NAT-TCR | Central Valley Ag Transport | 2.4 TCR |
| NAT-TCR | Niagara Bottling, LLC - Hamburg | 2.4 TCR |
| NAT-TCR | ESCO Construction Co | 2.4 TCR |
| NAT-SIZE | Steeltech Reinforcing, Inc. | 67 FTE |
| NAT-SIZE | Butler | 67 FTE |
| NAT-SIZE | York Main Office | 67 FTE |
| NAT-SIZE | Aztalan Engineering, Inc. | 67 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.