Lumber (e.g., dressed, finished, rough) merchant wholesalers · South Carolina

Four Corners Building Supply

North Charleston, SC · ~68 workers · 2 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
3.4
Avg TCR
2.2
Industry avg
0
Fatalities
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The verdict

Four Corners Building Supply runs at 154% of its industry's injury rate - more dangerous than the typical Lumber (e.g., dressed, finished, rough) merchant wholesalers workplace, earning a grade D.

Four Corners Building Supply: 3.4 TCR = 154% of Lumber (e.g., dressed, finished, rough) merchant wholesalers BLS 2.2 · 2y Form 300A (see methodology below)

Four Corners Building Supply safety composite

Four Corners Building Supply scores strongest on dart rate (safer than 82% of same-industry peers) and weakest on fatalities (safer than 50%), 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

65/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 3.38 per 100 workers

Safer than 59% of industry peers

DART rate
B 0 per 100 workers

Safer than 82% 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

−6.8

2022→2023

Four Corners Building Supply injury rate improved

Four Corners Building Supply's TCR fell 6.8 from 6.8 in 2022 to 0.0 in 2023. Peak filing year was 2022 at 6.8 TCR. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

2022=6.8 · 2023=0.0

OSHA ITA Form 300A scorecard

Establishment book 423310 · North Charleston, SC ABOVE-IND · SMALL

Grade D · TCR 3.4 · 154% of ind

  • DART 0.0 DART
  • RANK #11/25
  • PHOTO Nashville
  • BOOK 2y book
  • INJ 1 inj
  • SIZE ~68 FTE

Nearest TCR peer: Nashville (0.0 TCR gap)

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

Four Corners Building Supply in the TCR neighbourhood

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

TCR

What this shows Four Corners Building Supply averages 3.4 TCR (154% of the Lumber (e.g., dressed, finished, rough) merchant wholesalers BLS benchmark).

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

Four Corners Building Supply TCR series: 2022=6.8 · 2023=0 · BLS 2.2

Where Four Corners Building Supply falls in its industry

1,225 Lumber (e.g., dressed, finishe establishments

Safer than 59% of graded establishments in this industry, whose median TCR is 4.2.

More dangerous than peersSafer than peers

Narrower to South Carolina alone (the establishments it most directly competes with for workers and contracts): ranked #11 safest of 25 Lumber (e.g., dressed, finishe employers in South Carolina.

Four Corners Building Supply (68 employees, TCR 3.4) among 29 same-industry peers, split at the industry median of 41 employees and a TCR of 4.2 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 020406080100120 05101520 Average employees Total Case Rate Four Corners Building Supply
Four Corners Building Supply (68 employees, TCR 3.4) among 29 same-industry peers, split at the industry median of 41 employees and a TCR of 4.2

Four Corners Building Supply has more employees than the Lumber (e.g., dressed, finished, rough) median and a lower injury rate than the industry's median TCR of 4.2. 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
2023 0.0 0.0 0 0 0
2022 6.8 0.0 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

423310 · SC · North Charleston

1,225 Lumber (e.g., dressed, finished, rough) merchant wholesalers 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 Nashville 3.4 TCR
NAICS-TCR Pataskala Store 3.4 TCR
NAICS-TCR 4710 BAKERSFIELD BUILDING MATERIALS 3.4 TCR
NAICS-TCR Dixie Plywood & Lumber Co. of Orlando 3.4 TCR
STATE-SIZE COPE GENERATING PLANT 68 FTE
STATE-SIZE Northern Power Delivery (Columbia) 68 FTE
STATE-SIZE DRB Group South Carolina, LLC- Greenville 68 FTE
STATE-SIZE Greenville/Ashville 68 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 Benchmark Electronics Moorpark 3.4 TCR
NAT-TCR LiDestri Fresno 3.4 TCR
NAT-TCR Spring Market #708 3.4 TCR
NAT-TCR Southway Mac Haik Ford LTD 3.4 TCR
NAT-SIZE Main Office 68 FTE
NAT-SIZE Northern Middle TN Construction 68 FTE
NAT-SIZE RealAmerica Management LLC 68 FTE
NAT-SIZE KoscoHeritage 68 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: 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.