Door units, prehung, wood and covered wood, manufacturing · South Carolina

Stier Supply Co.

Name: Stier Supply Co. Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Gaston, SC · ~286 workers · 3 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

F
Failing Safety Record: 9.3
Avg TCR: 3.3
Industry avg: 0
Fatalities

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The verdict

Stier Supply Co. runs at 281% of its industry's injury rate - far more dangerous than the typical Door units, prehung, wood and covered wood, manufacturing workplace, earning a grade F.

Stier Supply Co.: 9.3 TCR = 281% of Door units, prehung, wood and covered wood, manufacturing BLS 3.3 · 3y Form 300A (see methodology below)

Stier Supply Co. safety composite

Stier Supply Co. scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 15%), 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).

30/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): F 9.28 per 100 workers

Safer than 15% of industry peers
DART rate: F 3.99 per 100 workers

Safer than 32% 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

−1.2

2017→2019

Stier Supply Co. injury rate improved

Stier Supply Co.'s TCR fell 1.2 from 7.5 in 2017 to 6.3 in 2019. Peak filing year was 2018 at 14.1 TCR. In 2019, DART was 0.43× this establishment's average TCR (severity share of cases).

2017=7.5 · 2018=14.1 · 2019=6.3

OSHA ITA Form 300A scorecard

Establishment book 321911 · Gaston, SC ABOVE-IND · MID

Grade F · TCR 9.3 · 281% of ind

DART 4.0 DART
RANK #5/5
PHOTO Cleary Millwork
BOOK 3y book
INJ 71 inj
SIZE ~286 FTE

Nearest TCR peer: Cleary Millwork (0.0 TCR gap)

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

4315 - Holiday

9.4
This site

9.3
Cleary Millwor

9.3
SPI - WN Merri

9.3
Millwork

9.2

What this shows Stier Supply Co. averages 9.3 TCR (281% of the Door units, prehung, wood and covered wood, manufacturing BLS benchmark).

Stier Supply Co. TCR series: 2017=7.5 · 2018=14.1 · 2019=6.3 · BLS 3.3

Where Stier Supply Co. falls in its industry

452 Door units, prehung, wood and establishments

Safer than 15% of graded establishments in this industry, whose median TCR is 5.0.

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 5 Door units, prehung, wood and employers in South Carolina.

Stier Supply Co. (286 employees, TCR 9.3) among 29 same-industry peers, split at the industry median of 97 employees and a TCR of 5.0

Stier Supply Co. has more employees than the Door units, prehung, wood and covered wo median and a higher injury rate than the industry's median TCR of 5.0. 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
2019	6.3	4.0	22
2018	14.1	14.1	30
2017	7.5	7.5	19

OSHA ITA peer cross-reference

Establishment peer ledger

321911 · SC · Gaston

452 Door units, prehung, wood and covered wood, manufacturing employers nationwide with a credible TCR · 7,610 rated employers in South Carolina with headcount on file · 32 employers in Gaston, 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	Cleary Millwork	WATERTOWN, MA	9.3 TCR
NAICS-TCR	SPI - WN Merrill - Ohio St	MERRILL, WI	9.3 TCR
NAICS-TCR	Millwork	SAN BERNARDINO, CA	9.2 TCR
NAICS-TCR	4315 - Holiday City Prehung	HOLIDAY CITY, OH	9.4 TCR
STATE-SIZE	Gulf Stream Construction Company, Inc.	CHARLESTON	286 FTE
STATE-SIZE	1130	LAURENS	286 FTE
STATE-SIZE	The Heritage at Lowman	CHAPIN	286 FTE
STATE-SIZE	Dak Americas Cooper River Site	MONCKS CORNER	285 FTE
CITY-NEAR	Private Residence Gaston SC	Gaston	861 FTE
CITY-NEAR	Alpek Polyester USA, LLC-Columbia Site	Gaston	500 FTE
CITY-NEAR	DAK Americas, LLC-Columbia Site	Gaston	495 FTE
CITY-NEAR	NFI Interactive Logistics LLC-126 ACCESS ROAD	Gaston	216 FTE
NAT-TCR	Mass Movement, Inc. - Foxboro, MA	Foxboro, MA	9.3 TCR
NAT-TCR	Hilldrup Companies - Richmond 606	Henrico, VA	9.3 TCR
NAT-TCR	Enterprise Rent-A-Car 5543	Dothan, AL	9.3 TCR
NAT-TCR	Calvert Manor Healthcare Center LLC	Rising Sun, MD	9.3 TCR
NAT-SIZE	Casco Reserve Center	Freeport, ME	286 FTE
NAT-SIZE	Health Systems Cooperative Laundries	St Paul, MN	286 FTE
NAT-SIZE	Market Basket #4	Chelmsford, MA	286 FTE
NAT-SIZE	Austin (HR)	Austin, TX	286 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: 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.