Mail and Parcel Delivery · South Carolina

458480-Summerville Po

Name: 458480-Summerville Po Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Summerville, SC · ~87 workers · 6 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

D
Poor Safety Record: 5.7
Avg TCR: 4.5
Industry avg: 0
Fatalities

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The verdict

458480-Summerville Po runs at 127% of its industry's injury rate - more dangerous than the typical Mail and Parcel Delivery workplace, earning a grade D.

458480-Summerville Po: 5.7 TCR = 127% of Mail and Parcel Delivery BLS 4.5 · 6y Form 300A (see methodology below)

458480-Summerville Po safety composite

458480-Summerville Po scores strongest on dart rate (safer than 79% 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).

65/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): C 5.73 per 100 workers

Safer than 62% of industry peers
DART rate: B 2.23 per 100 workers

Safer than 79% 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

−3.2

2017→2022

458480-Summerville Po injury rate improved

458480-Summerville Po's TCR fell 3.2 from 9.9 in 2017 to 6.7 in 2022. Peak filing year was 2017 at 9.9 TCR. In 2022, DART was 0.39× this establishment's average TCR (severity share of cases).

2017=9.9 · 2018=7.1 · 2019=2.6 · 2020=5.8 · 2021=2.3 · 2022=6.7

OSHA ITA Form 300A scorecard

Establishment book 491110 · Summerville, SC ABOVE-IND · SMALL

Grade D · TCR 5.7 · 127% of ind

DART 2.2 DART
RANK #115/218
PHOTO OLD NATIONAL_1376021
BOOK 6y book
INJ 29 inj
SIZE ~87 FTE

Nearest TCR peer: OLD NATIONAL_1376021 (0.0 TCR gap)

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

This site

5.7
OLD NATIONAL_1

5.7
MISSION_138511

5.7
EAST BRIDGEWAT

5.7
DOWNINGTOWN_13

5.7

What this shows 458480-Summerville Po averages 5.7 TCR (127% of the Mail and Parcel Delivery BLS benchmark).

458480-Summerville Po TCR series: 2017=9.9 · 2018=7.1 · 2019=2.6 · 2020=5.8 · 2021=2.3 · 2022=6.7 · BLS 4.5

Where 458480-Summerville Po falls in its industry

13,818 Mail and Parcel Delivery establishments

Safer than 62% of graded establishments in this industry, whose median TCR is 6.8.

Grade D

More dangerous than peersSafer than peers

Narrower to South Carolina alone (the establishments it most directly competes with for workers and contracts): ranked #115 safest of 218 Mail and Parcel Delivery employers in South Carolina.

458480-Summerville Po (87 employees, TCR 5.7) among 29 same-industry peers, split at the industry median of 51 employees and a TCR of 6.8

458480-Summerville Po has more employees than the Mail and Parcel Delivery median and a lower injury rate than the industry's median TCR of 6.8. 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
2022	6.7	2.2	6
2021	2.3	2.3	2
2020	5.8	5.8	5
2019	2.6	2.6	2
2018	7.1	7.1	6
2017	9.9	9.9	8

OSHA ITA peer cross-reference

Establishment peer ledger

491110 · SC · Summerville

13,818 Mail and Parcel Delivery 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	OLD NATIONAL_1376021	ATLANTA, GA	5.7 TCR
NAICS-TCR	MISSION_1385118	TUCSON, AZ	5.7 TCR
NAICS-TCR	EAST BRIDGEWATER_1361671	EAST BRIDGEWATER, MA	5.7 TCR
NAICS-TCR	DOWNINGTOWN_1361129	DOWNINGTOWN, PA	5.7 TCR
STATE-SIZE	McCrory Construction LLC	COLUMBIA	87 FTE
STATE-SIZE	Sloan Charleston	BLACKSBURG	87 FTE
STATE-SIZE	RJ Martin National Contracting, Inc.	SEVEN FARMS	87 FTE
STATE-SIZE	Refresco - Greer Plant	GREER	87 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	364464-Lillington Po	Lillington, NC	5.7 TCR
NAT-TCR	117845-Quincy Po	Quincy, FL	5.7 TCR
NAT-TCR	391112-Brk-East Arrow Sta	Broken Arrow, OK	5.7 TCR
NAT-TCR	5472-NAI-0033-0033-04595	Hyannis, MA	5.7 TCR
NAT-SIZE	126391-Norcross Po	Norcross, GA	87 FTE
NAT-SIZE	113064-Ftl-Weston Br	Weston, FL	87 FTE
NAT-SIZE	238478-Silver Spring Po	Silver Spring, MD	87 FTE
NAT-SIZE	118919-Tpa-Forest Hills Sta	Tampa, FL	87 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: 2022, 2021, 2020, 2019, 2018, 2017. 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.