Heating, ventilation and air-conditioning (HVAC) contractors · North Carolina

Air System Services, Inc.

Knightdale, NC · ~55 workers · 5 years of OSHA Injury Tracking Application data.

B
Good Safety Record
1.9
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Air System Services, Inc. runs at 68% of its industry's injury rate - safer than the typical Heating, ventilation and air-conditioning (HVAC) contractors workplace, earning a grade B.

Air System Services, Inc.: 1.9 TCR = 68% of Heating, ventilation and air-conditioning (HVAC) contractors BLS 2.8 · 5y Form 300A (see methodology below)

Air System Services, Inc. safety composite

Air System Services, Inc. scores strongest on total case rate (tcr) (safer than 71% of same-industry peers) and weakest on dart rate (safer than 34%), 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).

D

53/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 1.9 per 100 workers

Safer than 71% of industry peers

DART rate
F 2.49 per 100 workers

Safer than 34% 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

Air System Services, Inc.: 0.0 → 5.0 TCR

Peak year 2024 @ 5.0 TCR · DART/TCR 1.31× in 2024

Air System Services, Inc.'s TCR rose 5.0 from 0.0 in 2017 to 5.0 in 2024. In 2024, DART was 1.31× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238220 · Knightdale, NC AT/BELOW-IND · SMALL

Grade B · TCR 1.9 · 68% of ind

  • DART 2.5 DART
  • RANK #69/212
  • PHOTO Fire Tech Systems, I…
  • BOOK 5y book
  • INJ 4 inj
  • SIZE ~55 FTE

Nearest TCR peer: Fire Tech Systems, Inc. (0.0 TCR gap)

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

Air System Services, Inc. in the TCR neighbourhood

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

TCR

What this shows Air System Services, Inc. averages 1.9 TCR (68% of the Heating, ventilation and air-conditioning (HVAC) contractors BLS benchmark).

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

Air System Services, Inc. TCR series: 2017=0 · 2019=2.2 · 2022=2.3 · 2023=0 · 2024=5 · BLS 2.8

Where Air System Services, Inc. falls in its industry

5,793 Heating, ventilation and air-c establishments

Safer than 71% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to North Carolina alone (the establishments it most directly competes with for workers and contracts): ranked #69 safest of 212 Heating, ventilation and air-c employers in North Carolina.

Air System Services, Inc. (55 employees, TCR 1.9) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3 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 050100150200250 05101520 Average employees Total Case Rate Air System Services, Inc.
Air System Services, Inc. (55 employees, TCR 1.9) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Air System Services, Inc. has fewer 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 5.0 2.5 2 0 0
2023 0.0 0.0 0 0 0
2022 2.3 2.3 1 0 0
2019 2.2 2.2 1 0 0
2017 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · NC · Knightdale

5,793 Heating, ventilation and air-conditioning (HVAC) contractors employers nationwide with a credible TCR · 16,981 rated employers in North Carolina with headcount on file · 35 employers in Knightdale, NC · 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 Fire Tech Systems, Inc. 1.9 TCR
NAICS-TCR GULF STATES PLUMBING & MECHANICAL, INC. 1.9 TCR
NAICS-TCR Wat-Kem Mechanical, Inc. 1.9 TCR
NAICS-TCR Great Dane 1.9 TCR
STATE-SIZE Battleboro Produce Inc 55 FTE
STATE-SIZE Whitaker Farms LLC 55 FTE
STATE-SIZE Greenleaf Nursery Company 55 FTE
STATE-SIZE Sutton Energy Complex 55 FTE
CITY-NEAR Schneider Electric Knightdale 369 FTE
CITY-NEAR PCX Holding, LLC, wholly owned subsid of Hubbell Industrial Controls, Knightdale, NC 194 FTE
CITY-NEAR 2111 - Knightdale 174 FTE
CITY-NEAR WM 1816 173 FTE
NAT-TCR CMC Placing San Diego 1.9 TCR
NAT-TCR GMP General Service Center - Middlebury 1.9 TCR
NAT-TCR Alpine Building 1.9 TCR
NAT-TCR Intermodal McCook Office 1.9 TCR
NAT-SIZE Warren Dairy 55 FTE
NAT-SIZE Champaign - Mattis 55 FTE
NAT-SIZE Manning Transfer Terminal 55 FTE
NAT-SIZE SUMATECH, Inc. 55 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, 2019, 2017. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.