Air-conditioning and warm air heating combination units manufacturing · Maryland

STULZ Air Technology Systems, Inc. FREDERICK

Frederick, MD · ~461 workers · 3 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
6.8
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

STULZ Air Technology Systems, Inc. FREDERICK runs at 205% of its industry's injury rate - far more dangerous than the typical Air-conditioning and warm air heating combination units manufacturing workplace, earning a grade F.

STULZ Air Technology Systems, Inc. FREDERICK: 6.8 TCR = 205% of Air-conditioning and warm air heating combination units manufacturing BLS 3.3 · 3y Form 300A (see methodology below)

STULZ Air Technology Systems, Inc. FREDERICK safety composite

STULZ Air Technology Systems, Inc. FREDERICK scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on total case rate (tcr) (safer than 13%), 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).

F

22/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 6.77 per 100 workers

Safer than 13% of industry peers

DART rate
F 4.49 per 100 workers

Safer than 13% 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

−1.1

2022→2024

STULZ Air Technology Systems, Inc. FREDERICK injury rate improved

STULZ Air Technology Systems, Inc. FREDERICK's TCR fell 1.1 from 7.1 in 2022 to 6.1 in 2024. Peak filing year was 2022 at 7.1 TCR. In 2024, DART was 0.66× this establishment's average TCR (severity share of cases).

2022=7.1 · 2023=7.1 · 2024=6.1

OSHA ITA Form 300A scorecard

Establishment book 333415 · Frederick, MD ABOVE-IND · MID

Grade F · TCR 6.8 · 205% of ind

  • DART 4.5 DART
  • RANK #6/6
  • PHOTO Ice O Matic
  • BOOK 3y book
  • INJ 83 inj
  • SIZE ~461 FTE

Nearest TCR peer: Ice O Matic (0.1 TCR gap)

Read with this employer → · Industry book → · Maryland employers → · Look up another →

STULZ Air Technology Systems, Inc. FREDERICK in the TCR neighbourhood

Average Total Case Rate among this establishment and nearest same-industry peers

TCR

What this shows STULZ Air Technology Systems, Inc. FREDERICK averages 6.8 TCR (205% of the Air-conditioning and warm air heating combination units manufacturing BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

STULZ Air Technology Systems, Inc. FREDERICK TCR series: 2022=7.1 · 2023=7.1 · 2024=6.1 · BLS 3.3

Where STULZ Air Technology Systems, Inc. FREDERICK falls in its industry

461 Air-conditioning and warm air establishments

Safer than 13% of graded establishments in this industry, whose median TCR is 2.8.

More dangerous than peersSafer than peers

Narrower to Maryland alone (the establishments it most directly competes with for workers and contracts): ranked #6 safest of 6 Air-conditioning and warm air employers in Maryland.

STULZ Air Technology Systems, Inc. FREDERICK (461 employees, TCR 6.8) among 29 same-industry peers, split at the industry median of 164 employees and a TCR of 2.8 2×2 strategic matrix plotting 30 entities by Average employees (X) and Total Case Rate (Y), with a crosshair dividing the plot into four quadrants. Larger & higher-riskSmaller & higher-riskLarger & saferSmaller & safer than peers 05001,0001,5002,0002,500 0246810 Average employees Total Case Rate STULZ Air Technology Systems, Inc. FREDERICK
STULZ Air Technology Systems, Inc. FREDERICK (461 employees, TCR 6.8) among 29 same-industry peers, split at the industry median of 164 employees and a TCR of 2.8

STULZ Air Technology Systems, Inc. FREDERICK has more employees than the Air-conditioning and warm air heating co median and a higher injury rate than the industry's median TCR of 2.8. 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 6.1 4.5 30 1 0
2023 7.1 5.8 26 1 0
2022 7.1 5.5 27 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

333415 · MD · Frederick

461 Air-conditioning and warm air heating combination units manufacturing employers nationwide with a credible TCR · 7,213 rated employers in Maryland with headcount on file · 267 employers in Frederick, 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 Ice O Matic 6.7 TCR
NAICS-TCR Cryoquip LLC 6.9 TCR
NAICS-TCR MJC, Inc. 6.6 TCR
NAICS-TCR Governair 6.9 TCR
STATE-SIZE Towson (Remote Sales & MKT) FS (GTS) 462 FTE
STATE-SIZE Bello Mahcre 462 FTE
STATE-SIZE 5700 BRANCH AVENUE RAIL FACILITY 459 FTE
STATE-SIZE Foodservice Maryland - 0640 458 FTE
CITY-NEAR MD-03 4,250 FTE
CITY-NEAR AstraZeneca Frederick Manufacturing Center 775 FTE
CITY-NEAR AstraZeneca Frederick Manufacturing 711 FTE
CITY-NEAR Thermo Fisher Scientific Frederick, MD (BID - Executive Way) 568 FTE
NAT-TCR General Pattern Co., Inc. 6.8 TCR
NAT-TCR M&L Construction Inc 6.8 TCR
NAT-TCR Amazon.com Services LLC - DMF1 6.8 TCR
NAT-TCR The Gant 6.8 TCR
NAT-SIZE Marguerite Concrete Inc 461 FTE
NAT-SIZE Dollar General Walton KY DC 461 FTE
NAT-SIZE EventLink, LLC 461 FTE
NAT-SIZE City of Los Angeles- LA Sanitation Hyperion Reclamation Plant 461 FTE

Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →

Data Source: OSHA Injury Tracking Application (ITA), mandatory establishment-level injury/illness reports. Grades compare employer Total Case Rate (TCR) to BLS IIF industry benchmarks. Data covers years reported by this establishment: 2024, 2023, 2022. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.