Distribution equipment, electrical, merchant wholesalers · South Carolina

Mayer Electric Supply Company, Inc. - Charleston

Name: Mayer Electric Supply Company, Inc. - Charleston Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Charleston, SC · ~19 workers · 4 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

C
Average Safety Record: 1.8
Avg TCR: 2.2
Industry avg: 0
Fatalities

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The verdict

Mayer Electric Supply Company, Inc. - Charleston runs at 81% of its industry's injury rate - about level with the typical Distribution equipment, electrical, merchant wholesalers workplace, earning a grade C.

Mayer Electric Supply Company, Inc. - Charleston: 1.8 TCR = 81% of Distribution equipment, electrical, merchant wholesalers BLS 2.2 · 4y Form 300A (see methodology below)

Mayer Electric Supply Company, Inc. - Charleston safety composite

Mayer Electric Supply Company, Inc. - Charleston scores strongest on dart rate (safer than 75% 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).

64/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): C 1.78 per 100 workers

Safer than 62% of industry peers
DART rate: B 0 per 100 workers

Safer than 75% 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

−7.1

2016→2020

Mayer Electric Supply Company, Inc. - Charleston injury rate improved

Mayer Electric Supply Company, Inc. - Charleston's TCR fell 7.1 from 7.1 in 2016 to 0.0 in 2020. Peak filing year was 2016 at 7.1 TCR. In 2020, DART was 0× this establishment's average TCR (severity share of cases).

2016=7.1 · 2017=0.0 · 2019=0.0 · 2020=0.0

OSHA ITA Form 300A scorecard

Establishment book 423610 · Charleston, SC AT/BELOW-IND · SMALL

Grade C · TCR 1.8 · 81% of ind

DART 0.0 DART
RANK #9/18
PHOTO ELK GROVE DC IL
BOOK 4y book
INJ 1 inj
SIZE ~19 FTE

Nearest TCR peer: ELK GROVE DC IL (0.0 TCR gap)

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

This site

1.8
ELK GROVE DC I

1.8
Kendall Electr

1.8
Buckles-Smith

1.8
HWC PHL Region

1.8

What this shows Mayer Electric Supply Company, Inc. - Charleston averages 1.8 TCR (81% of the Distribution equipment, electrical, merchant wholesalers BLS benchmark).

Mayer Electric Supply Company, Inc. - Charleston TCR series: 2016=7.1 · 2017=0 · 2019=0 · 2020=0 · BLS 2.2

Where Mayer Electric Supply Company, Inc. - Charleston falls in its industry

1,190 Distribution equipment, electr establishments

Safer than 62% of graded establishments in this industry, whose median TCR is 2.4.

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 #9 safest of 18 Distribution equipment, electr employers in South Carolina.

Mayer Electric Supply Company, Inc. - Charleston (19 employees, TCR 1.8) among 29 same-industry peers, split at the industry median of 43 employees and a TCR of 2.4

Mayer Electric Supply Company, Inc. - Charleston has fewer employees than the Distribution equipment, electrical, merc median and a lower injury rate than the industry's median TCR of 2.4. 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
2020	0.0	0.0	0
2019	0.0	0.0	0
2017	0.0	0.0	0
2016	7.1	7.1	1

OSHA ITA peer cross-reference

Establishment peer ledger

423610 · SC · Charleston

1,190 Distribution equipment, electrical, merchant wholesalers 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. Closest matches by relationship code are listed below.

Rel	Establishment	Place	Metric
NAICS-TCR	ELK GROVE DC IL	ELK GROVE VILLAGE, IL	1.8 TCR
NAICS-TCR	Kendall Electric - EGRS	GRAND RAPIDS, MI	1.8 TCR
NAICS-TCR	Buckles-Smith San Leandro	SAN LEANDRO, CA	1.8 TCR
NAICS-TCR	HWC PHL Regional Distribution Center	DOWNINGTON, PA	1.8 TCR
STATE-SIZE	M. B. Kahn Metro WWTP	COLUMBIA	19 FTE
STATE-SIZE	Ascend	GREENWOOD	19 FTE
STATE-SIZE	Florence Concrete Products, Inc. Field	FLORENCE	19 FTE
STATE-SIZE	Green Heating & Cooling	GREENVILLE	19 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	Williamson Street Grocery Cooperative East	Madison, WI	1.8 TCR
NAT-TCR	Amalur, LLC	Caruthers, CA	1.8 TCR
NAT-TCR	Berger Rental Communities- Corporate Office	Wayne, PA	1.8 TCR
NAT-TCR	Component Assembly Systems New Jersey	Wall Township, NJ	1.8 TCR

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: 2020, 2019, 2017, 2016. 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.