238220 Plumbing, Heating, and Air-Conditioning Contractors · South Carolina

Hiller Charleston

North Charleston, SC · ~35 workers · 2 years of OSHA Injury Tracking Application data.

B
Good Safety Record
1.5
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Hiller Charleston runs at 55% of its industry's injury rate - safer than the typical 238220 Plumbing, Heating, and Air-Conditioning Contractors workplace, earning a grade B.

Hiller Charleston: 1.5 TCR = 55% of 238220 Plumbing, Heating, and Air-Conditioning Contractors BLS 2.8 · 2y Form 300A (see methodology below)

Hiller Charleston safety composite

Hiller Charleston 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).

C

72/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 1.53 per 100 workers

Safer than 77% 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

−3.1

2023→2024

Hiller Charleston injury rate improved

Hiller Charleston's TCR fell 3.1 from 3.1 in 2023 to 0.0 in 2024. Peak filing year was 2023 at 3.1 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2023=3.1 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 238220 · North Charleston, SC AT/BELOW-IND · SMALL

Grade B · TCR 1.5 · 55% of ind

  • DART 0.0 DART
  • RANK #16/54
  • PHOTO Winger Contracting C…
  • BOOK 2y book
  • INJ 1 inj
  • SIZE ~35 FTE

Nearest TCR peer: Winger Contracting Company (0.0 TCR gap)

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

Hiller Charleston in the TCR neighbourhood

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

TCR

What this shows Hiller Charleston averages 1.5 TCR (55% of the 238220 Plumbing, Heating, and Air-Conditioning Contractors BLS benchmark).

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

Hiller Charleston TCR series: 2023=3.1 · 2024=0 · BLS 2.8

Where Hiller Charleston falls in its industry

5,793 238220 Plumbing, Heating, and establishments

Safer than 77% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to South Carolina alone (the establishments it most directly competes with for workers and contracts): ranked #16 safest of 54 238220 Plumbing, Heating, and employers in South Carolina.

Hiller Charleston (35 employees, TCR 1.5) 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 Hiller Charleston
Hiller Charleston (35 employees, TCR 1.5) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Hiller Charleston has fewer employees than the 238220 Plumbing, Heating, and Air-Condit 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 0 0 0
2023 3.1 3.1 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · SC · North Charleston

5,793 238220 Plumbing, Heating, and Air-Conditioning Contractors employers nationwide with a credible TCR · 7,610 rated employers in South Carolina with headcount on file · 256 employers in North Charleston, SC · 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 Winger Contracting Company 1.5 TCR
NAICS-TCR Main Office 1.5 TCR
NAICS-TCR Ahern Twin Cities 1.5 TCR
NAICS-TCR Building Integrated Services, LLC 1.5 TCR
STATE-SIZE Conway Service Center and Warehouse 35 FTE
STATE-SIZE FLORENCE DISTRICT OFFICE 35 FTE
STATE-SIZE Power Delivery Operations (Charleston) 35 FTE
STATE-SIZE Darlington County Water & Sewer Authority 35 FTE
CITY-NEAR Charleston County 2,601 FTE
CITY-NEAR Palmetto Goodwill Services 1,105 FTE
CITY-NEAR Trident Medical Center 1,015 FTE
CITY-NEAR SRC Charleston ISS Division 815 FTE
NAT-TCR 20222 - Kodiak 1.5 TCR
NAT-TCR 202-NiSource-Staunton VA 1.5 TCR
NAT-TCR 573-NiSource-Angola IN-Operating HQ 1.5 TCR
NAT-TCR E3 Construction Corp DBA Master Craft Builders 1.5 TCR
NAT-SIZE 2401 - Houston, TX 35 FTE
NAT-SIZE Sanchez Painting Contractors, INC 35 FTE
NAT-SIZE Complete Landsculpture of Texas Oklahoma office 35 FTE
NAT-SIZE S03351 - MN Mankato 35 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. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.