Heating, ventilation and air-conditioning (HVAC) contractors · Maryland
Horizon Services - MD
Windsor Mill, MD · ~91 workers · 7 years of OSHA Injury Tracking Application data.
- F
- Failing Safety Record
- 8.5
- Avg TCR
- 2.8
- Industry avg
- 0
- Fatalities
The verdict
Horizon Services - MD runs at 302% of its industry's injury rate - far more dangerous than the typical Heating, ventilation and air-conditioning (HVAC) contractors workplace, earning a grade F.
Horizon Services - MD: 8.5 TCR = 302% of Heating, ventilation and air-conditioning (HVAC) contractors BLS 2.8 · 7y Form 300A (see methodology below)
Horizon Services - MD safety composite
Horizon Services - MD scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 15%), 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).
28/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- F 8.46 per 100 workers
Safer than 15% of industry peers
- DART rate
- F 3.41 per 100 workers
Safer than 26% 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
−6.1
2018→2024
Horizon Services - MD injury rate improved
Horizon Services - MD's TCR fell 6.1 from 9.6 in 2018 to 3.4 in 2024. Peak filing year was 2021 at 14.3 TCR. In 2024, DART was 0.4× this establishment's average TCR (severity share of cases).
2018=9.6 · 2019=7.3 · 2020=8.0 · 2021=14.3 · 2022=8.2 · 2023=8.5 · 2024=3.4
OSHA ITA Form 300A scorecard
Establishment book 238220 · Windsor Mill, MD ABOVE-IND · SMALL
Grade F · TCR 8.5 · 302% of ind
- DART 3.4 DART
- RANK #110/121
- PHOTO Thornton Heating
- BOOK 7y book
- INJ 50 inj
- SIZE ~91 FTE
Nearest TCR peer: Thornton Heating (0.0 TCR gap)
Read with this employer → · Industry book → · Maryland employers → · Look up another →
Horizon Services - MD in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- This site
Horizon Services - MD
8.5 TCR
- Thornton Heati
Thornton Heating
8.5 TCR
- ABC Plumbing,
ABC Plumbing, Air, and Heat
8.5 TCR
- Southeast Duct
Southeast Duct Specialist Inc
8.5 TCR
- FRANK MARRONE
FRANK MARRONE & SONS, INC.
8.5 TCR
What this shows Horizon Services - MD averages 8.5 TCR (302% of the Heating, ventilation and air-conditioning (HVAC) contractors BLS benchmark).
Horizon Services - MD TCR series: 2018=9.6 · 2019=7.3 · 2020=8 · 2021=14.3 · 2022=8.2 · 2023=8.5 · 2024=3.4 · BLS 2.8
Where Horizon Services - MD falls in its industry
5,793 Heating, ventilation and air-c establishmentsSafer than 15% 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 #110 safest of 121 Heating, ventilation and air-c employers in Maryland.
Horizon Services - MD has more employees than the Heating, ventilation and air-conditionin median and a higher 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 | 3.4 | 3.4 | 3 | 0 | 0 |
| 2023 | 8.5 | 7.3 | 7 | 0 | 0 |
| 2022 | 8.2 | 7.2 | 8 | 0 | 0 |
| 2021 | 14.3 | 9.2 | 14 | 0 | 0 |
| 2020 | 8.0 | 5.7 | 7 | 0 | 0 |
| 2019 | 7.3 | 7.3 | 5 | 0 | 0 |
| 2018 | 9.6 | 6.4 | 6 | 0 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
238220 · MD · Windsor Mill
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 · 9 employers in Windsor Mill, 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 | Thornton Heating | 8.5 TCR |
| NAICS-TCR | ABC Plumbing, Air, and Heat | 8.5 TCR |
| NAICS-TCR | Southeast Duct Specialist Inc | 8.5 TCR |
| NAICS-TCR | FRANK MARRONE & SONS, INC. | 8.5 TCR |
| STATE-SIZE | Standard Solar, Inc. | 91 FTE |
| STATE-SIZE | Harbor Roofing and Contracting, Inc. 2020 | 91 FTE |
| STATE-SIZE | Linthicum, 805 Pinnacle Drive | 91 FTE |
| STATE-SIZE | WASHINGTON DC | 91 FTE |
| CITY-NEAR | Butler Medical Transport | 222 FTE |
| CITY-NEAR | 229 | 150 FTE |
| CITY-NEAR | Kennedy Krieger Pact | 79 FTE |
| CITY-NEAR | 230430-BAL-WINDSOR MILL BR | 54 FTE |
| NAT-TCR | Thornton Heating | 8.5 TCR |
| NAT-TCR | Barletta Contracting Services | 8.5 TCR |
| NAT-TCR | Boutte Tree, Inc. | 8.5 TCR |
| NAT-TCR | North Lincoln Hospital | 8.5 TCR |
| NAT-SIZE | Bell Nursery - Culpepper | 91 FTE |
| NAT-SIZE | Marian Manor | 91 FTE |
| NAT-SIZE | Eakle Vineyard Management LLC | 91 FTE |
| NAT-SIZE | Cornerstone at Hampton | 91 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.