School bus services · South Carolina

20956 Charleston Area-C

Name: 20956 Charleston Area-C Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Charleston, SC · ~106 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

F
Failing Safety Record: 9.8
Avg TCR: 4.5
Industry avg: 0
Fatalities

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The verdict

20956 Charleston Area-C runs at 218% of its industry's injury rate - far more dangerous than the typical School bus services workplace, earning a grade F.

20956 Charleston Area-C: 9.8 TCR = 218% of School bus services BLS 4.5 · 2y Form 300A (see methodology below)

20956 Charleston Area-C safety composite

20956 Charleston Area-C scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 5%), 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).

18/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): F 9.8 per 100 workers

Safer than 9% of industry peers
DART rate: F 11.2 per 100 workers

Safer than 5% 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%).

Rising injury rate

20956 Charleston Area-C: 2.8 → 16.8 TCR

Peak year 2021 @ 16.8 TCR · DART/TCR 1.14× in 2021

20956 Charleston Area-C's TCR rose 14.0 from 2.8 in 2020 to 16.8 in 2021. In 2021, DART was 1.14× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 485410 · Charleston, SC ABOVE-IND · MID

Grade F · TCR 9.8 · 218% of ind

DART 11.2 DART
RANK #5/6
PHOTO Facilities - Custodi…
BOOK 2y book
INJ 7 inj
SIZE ~106 FTE

Nearest TCR peer: Facilities - Custodial and Maintenance (0.0 TCR gap)

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

This site

9.8
Facilities - C

9.8
MSD of Pike To

9.8
Transportation

9.8
343009-Kansas

9.7

What this shows 20956 Charleston Area-C averages 9.8 TCR (218% of the School bus services BLS benchmark).

20956 Charleston Area-C TCR series: 2020=2.8 · 2021=16.8 · BLS 4.5

Where 20956 Charleston Area-C falls in its industry

1,574 School bus services establishments

Safer than 9% of graded establishments in this industry, whose median TCR is 4.3.

Grade F

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 6 School bus services employers in South Carolina.

20956 Charleston Area-C (106 employees, TCR 9.8) among 29 same-industry peers, split at the industry median of 74 employees and a TCR of 4.3

20956 Charleston Area-C has more employees than the School bus services median and a higher injury rate than the industry's median TCR of 4.3. 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
2021	16.8	11.2	6	0	0
2020	2.8	2.8	1	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

485410 · SC · Charleston

1,574 School bus services employers nationwide with a credible TCR · 7,610 rated employers in South Carolina with headcount on file · 341 employers in Charleston, 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	Facilities - Custodial and Maintenance	EAST HARTFORD, CT	9.8 TCR
NAICS-TCR	MSD of Pike Township Transportation	INDIANAPOLIS, IN	9.8 TCR
NAICS-TCR	Transportation	SACRAMENTO, CA	9.8 TCR
NAICS-TCR	343009-Kansas City \| MO \| 343009	KANSAS CITY, MO	9.7 TCR
STATE-SIZE	Jennings-Dill, Inc.	GREENVILLE	106 FTE
STATE-SIZE	TK Elevator Columbia	COLUMBIA	106 FTE
STATE-SIZE	D.M. Conlon, Inc / Dan-kel Concrete	LONGS	106 FTE
STATE-SIZE	Sandy Run Roasting Plant	GASTON	106 FTE
CITY-NEAR	Medical University Hospital Authority	Charleston	8,204 FTE
CITY-NEAR	Medical University of South Carolina	Charleston	5,881 FTE
CITY-NEAR	SC-03	Charleston	4,525 FTE
CITY-NEAR	SAFETY MANAGEMENT DIVISION	Charleston	1,790 FTE
NAT-TCR	Parrish & Co, Inc.	San Antonio, TX	9.8 TCR
NAT-TCR	Chandler	Chandler, IN	9.8 TCR
NAT-TCR	Metro Grounds Management, LLC	Silver Spring, MD	9.8 TCR
NAT-TCR	D.D. Wire Company	Temple City, CA	9.8 TCR
NAT-SIZE	Sodexo at Central Conn St Univ-Retail	New Britain, CT	106 FTE
NAT-SIZE	Hazlett Tree Service, Inc	Townville, PA	106 FTE
NAT-SIZE	Sodexo at Merrimack College-Cafeteria	North Andover, MA	106 FTE
NAT-SIZE	Sodexo at Sharp Chula Vista Med - Hskp	Chula Vista, CA	106 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. 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.