Ready-mix concrete manufacturing and distributing · South Carolina

Knight's Companies, Inc. Building 5

Name: Knight's Companies, Inc. Building 5 Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Summerville, SC · ~48 workers · 3 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

C
Average Safety Record: 2.8
Avg TCR: 3.3
Industry avg: 0
Fatalities

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The verdict

Knight's Companies, Inc. Building 5 runs at 84% of its industry's injury rate - about level with the typical Ready-mix concrete manufacturing and distributing workplace, earning a grade C.

Knight's Companies, Inc. Building 5: 2.8 TCR = 84% of Ready-mix concrete manufacturing and distributing BLS 3.3 · 3y Form 300A (see methodology below)

Knight's Companies, Inc. Building 5 safety composite

Knight's Companies, Inc. Building 5 scores strongest on dart rate (safer than 81% 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).

69/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): C 2.76 per 100 workers

Safer than 70% of industry peers
DART rate: B 0 per 100 workers

Safer than 81% 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%).

Knight's Companies, Inc. Building 5 held a steady TCR band

Knight's Companies, Inc. Building 5's TCR held near 0.0 from 0.0 in 2019 to 0.0 in 2021. Peak filing year was 2020 at 8.3 TCR. In 2021, DART was 0× this establishment's average TCR (severity share of cases).

2019=0.0 · 2020=8.3 · 2021=0.0

OSHA ITA Form 300A scorecard

Establishment book 327320 · Summerville, SC AT/BELOW-IND · SMALL

Grade C · TCR 2.8 · 84% of ind

DART 0.0 DART
RANK #5/24
PHOTO Kansas Ready Mix
BOOK 3y book
INJ 2 inj
SIZE ~48 FTE

Nearest TCR peer: Kansas Ready Mix (0.0 TCR gap)

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

This site

2.8
Kansas Ready M

2.8
Maryland Porta

2.8
Merrill - CRM

2.7
Ready Mixed Co

2.7

What this shows Knight's Companies, Inc. Building 5 averages 2.8 TCR (84% of the Ready-mix concrete manufacturing and distributing BLS benchmark).

Knight's Companies, Inc. Building 5 TCR series: 2019=0 · 2020=8.3 · 2021=0 · BLS 3.3

Where Knight's Companies, Inc. Building 5 falls in its industry

1,316 Ready-mix concrete manufacturi establishments

Safer than 70% of graded establishments in this industry, whose median TCR is 4.5.

Grade C

More dangerous than peersSafer than peers

Narrower to South Carolina alone (the establishments it most directly competes with for workers and contracts): ranked #5 safest of 24 Ready-mix concrete manufacturi employers in South Carolina.

Knight's Companies, Inc. Building 5 (48 employees, TCR 2.8) among 29 same-industry peers, split at the industry median of 33 employees and a TCR of 4.5

Knight's Companies, Inc. Building 5 has more employees than the Ready-mix concrete manufacturing and dis median and a lower 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
2021	0.0	0.0	0
2020	8.3	8.3	2
2019	0.0	0.0	0

OSHA ITA peer cross-reference

Establishment peer ledger

327320 · SC · Summerville

1,316 Ready-mix concrete manufacturing and distributing 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	Place	Metric
NAICS-TCR	Kansas Ready Mix	WICHITA, KS	2.8 TCR
NAICS-TCR	Maryland Portable Concrete Elkton Plant	ELKTON, MD	2.8 TCR
NAICS-TCR	Merrill - CRM	MERRILL, WI	2.7 TCR
NAICS-TCR	Ready Mixed Concrete Company	BELLEVUE, NE	2.7 TCR
STATE-SIZE	BEAUFORT DISTRICT OFFICE	BEAUFORT	48 FTE
STATE-SIZE	Palmetto Sitework Services, LLC	ORANGEBURG	48 FTE
STATE-SIZE	HUNTER SPECIALTIES, INC.	SUMMERVILLE	48 FTE
STATE-SIZE	Carolina Pole, Inc.	EUTAWVILLE	48 FTE
CITY-NEAR	Thorne research - Omni one	Summerville	478 FTE
CITY-NEAR	Scout Boats, Inc	Summerville	436 FTE
CITY-NEAR	Summerville Medical Center	Summerville	426 FTE
CITY-NEAR	WM 1037	Summerville	420 FTE
NAT-TCR	Fortis Solutions Group (Merced 1870)	Merced, CA	2.8 TCR
NAT-TCR	Holland Roofing SPD	Milford, OH	2.8 TCR
NAT-TCR	42131b - Bangor Bin	Bangor, ME	2.8 TCR
NAT-TCR	49221b - North Bay Zone	Alameda, CA	2.8 TCR
NAT-SIZE	235 Buffalo Road	Rochester, NY	48 FTE
NAT-SIZE	42141b - Chicopee	Chicopee, MA	48 FTE
NAT-SIZE	43341u - Kc North Riverside	Riverside, MO	48 FTE
NAT-SIZE	Classic Dyestuffs, Inc.	High Point, NC	48 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.