Central-mixed concrete manufacturing · South Carolina

Knight's Companies, Inc. Shop

Summerville, SC · ~34 workers · 3 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
15.7
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Knight's Companies, Inc. Shop runs at 476% of its industry's injury rate - far more dangerous than the typical Central-mixed concrete manufacturing workplace, earning a grade F.

Knight's Companies, Inc. Shop: 15.7 TCR = 476% of Central-mixed concrete manufacturing BLS 3.3 · 3y Form 300A (see methodology below)

Knight's Companies, Inc. Shop safety composite

Knight's Companies, Inc. Shop scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 0%), 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

14/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 15.71 per 100 workers

Safer than 2% of industry peers

DART rate
F 26.44 per 100 workers

Safer than 0% 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

Knight's Companies, Inc. Shop: 15.2 → 26.4 TCR

Peak year 2021 @ 26.4 TCR · DART/TCR 1.68× in 2021

Knight's Companies, Inc. Shop's TCR rose 11.3 from 15.2 in 2019 to 26.4 in 2021. In 2021, DART was 1.68× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 327320 · Summerville, SC ABOVE-IND · SMALL

Grade F · TCR 15.7 · 476% of ind

  • DART 26.4 DART
  • RANK #24/24
  • PHOTO Apollo Beach
  • BOOK 3y book
  • INJ 9 inj
  • SIZE ~34 FTE

Nearest TCR peer: Apollo Beach (0.0 TCR gap)

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

Knight's Companies, Inc. Shop in the TCR neighbourhood

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

TCR

What this shows Knight's Companies, Inc. Shop averages 15.7 TCR (476% of the Central-mixed concrete manufacturing BLS benchmark).

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

Knight's Companies, Inc. Shop TCR series: 2019=15.2 · 2020=5.5 · 2021=26.4 · BLS 3.3

Where Knight's Companies, Inc. Shop falls in its industry

1,316 Central-mixed concrete manufac establishments

Safer than 2% of graded establishments in this industry, whose median TCR is 4.5.

More dangerous than peersSafer than peers

Narrower to South Carolina alone (the establishments it most directly competes with for workers and contracts): ranked #24 safest of 24 Central-mixed concrete manufac employers in South Carolina.

Knight's Companies, Inc. Shop (34 employees, TCR 15.7) among 29 same-industry peers, split at the industry median of 33 employees and a TCR of 4.5 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 0100200300400500 05101520 Average employees Total Case Rate Knight's Companies, Inc. Shop
Knight's Companies, Inc. Shop (34 employees, TCR 15.7) among 29 same-industry peers, split at the industry median of 33 employees and a TCR of 4.5

Knight's Companies, Inc. Shop has more employees than the Central-mixed concrete manufacturing median and a higher injury rate than the industry's median TCR of 4.5. 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
2021 26.4 26.4 3 0 0
2020 5.5 2.8 2 0 0
2019 15.2 7.6 4 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

327320 · SC · Summerville

1,316 Central-mixed concrete manufacturing employers nationwide with a credible TCR · 7,610 rated employers in South Carolina with headcount on file · 188 employers in Summerville, 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 Apollo Beach 15.7 TCR
NAICS-TCR Croell Inc. - Mason City 15.7 TCR
NAICS-TCR J-III CONCRETE CO.,INC 15.6 TCR
NAICS-TCR Tex- Mix Florence 15.8 TCR
STATE-SIZE TLG TURF 34 FTE
STATE-SIZE ArborGen Inc. Headquarters 34 FTE
STATE-SIZE Lancaster Operations Center 34 FTE
STATE-SIZE Marlboro Electric Cooperative Headquarters Office 34 FTE
CITY-NEAR Thorne research - Omni one 478 FTE
CITY-NEAR Scout Boats, Inc 436 FTE
CITY-NEAR Summerville Medical Center 426 FTE
CITY-NEAR WM 1037 420 FTE
NAT-TCR 6458-ZWLM 15.7 TCR
NAT-TCR County Waste of Pennsylvania LLC 2 15.7 TCR
NAT-TCR Hartford Ct 15.7 TCR
NAT-TCR Edina Specialty Surgery Center 15.7 TCR
NAT-SIZE FirstKey Homes LLC - Indianapolis 34 FTE
NAT-SIZE Quad Optical Services, LLC 34 FTE
NAT-SIZE H8-Farmingdale North Showroom 34 FTE
NAT-SIZE Southwest Specialty Coatings Inc. 34 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: 2021, 2020, 2019. This is publicly available government data - not a legal determination of workplace conditions.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.