Mineral wool insulation materials manufacturing · West Virginia

Armstrong World Industries - Millwood

Name: Armstrong World Industries - Millwood Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Millwood, WV · ~63 workers · 3 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

A
Excellent Safety Record: 1.6
Avg TCR: 3.3
Industry avg: 0
Fatalities

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The verdict

Armstrong World Industries - Millwood runs at 47% of its industry's injury rate - far safer than the typical Mineral wool insulation materials manufacturing workplace, earning a grade A.

Armstrong World Industries - Millwood: 1.6 TCR = 47% of Mineral wool insulation materials manufacturing BLS 3.3 · 3y Form 300A (see methodology below)

Armstrong World Industries - Millwood safety composite

Armstrong World Industries - Millwood scores strongest on total case rate (tcr) (safer than 58% of same-industry peers) and weakest on dart rate (safer than 33%), 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).

47/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): C 1.56 per 100 workers

Safer than 58% of industry peers
DART rate: F 1.63 per 100 workers

Safer than 33% 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%).

Armstrong World Industries - Millwood held a steady TCR band

Armstrong World Industries - Millwood's TCR held near 0.1 from 1.5 in 2018 to 1.6 in 2020. In 2020, DART was 1.04× this establishment's average TCR (severity share of cases).

2018=1.5 · 2019=1.5 · 2020=1.6

OSHA ITA Form 300A scorecard

Establishment book 327993 · Millwood, WV AT/BELOW-IND · SMALL

Grade A · TCR 1.6 · 47% of ind

DART 1.6 DART
RANK #2/4
PHOTO Frasch
BOOK 3y book
INJ 2 inj
SIZE ~63 FTE

Nearest TCR peer: Frasch (0.0 TCR gap)

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This site

1.6
Frasch

1.6
Waxahachie Pla

1.6
USG Interiors

1.5
Armstrong Worl

1.5

What this shows Armstrong World Industries - Millwood averages 1.6 TCR (47% of the Mineral wool insulation materials manufacturing BLS benchmark).

Armstrong World Industries - Millwood TCR series: 2018=1.5 · 2019=1.5 · 2020=1.6 · BLS 3.3

Where Armstrong World Industries - Millwood falls in its industry

101 Mineral wool insulation materi establishments

Safer than 58% of graded establishments in this industry, whose median TCR is 2.2.

Grade A

More dangerous than peersSafer than peers

Narrower to West Virginia alone (the establishments it most directly competes with for workers and contracts): ranked #2 safest of 4 Mineral wool insulation materi employers in West Virginia.

Armstrong World Industries - Millwood (63 employees, TCR 1.6) among 29 same-industry peers, split at the industry median of 126 employees and a TCR of 2.2

Armstrong World Industries - Millwood has fewer employees than the Mineral wool insulation materials manufa median and a lower injury rate than the industry's median TCR of 2.2. 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
2020	1.6	1.6	1	0
2019	1.5	0.0	0	1
2018	1.5	1.5	1	0

OSHA ITA peer cross-reference

Establishment peer ledger

327993 · WV · Millwood

101 Mineral wool insulation materials manufacturing employers nationwide with a credible TCR · 2,269 rated employers in West Virginia with headcount on file · 10 employers in Millwood, WV · 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	Frasch	GRAND PRAIRIE, TX	1.6 TCR
NAICS-TCR	Waxahachie Plant	WAXAHACHIE, TX	1.6 TCR
NAICS-TCR	USG Interiors Greenville	GREENVILLE, MS	1.5 TCR
NAICS-TCR	Armstrong World Industries	MACON, GA	1.5 TCR
STATE-SIZE	Clearwater	PENNSBORO	63 FTE
STATE-SIZE	Swope Construction Co.	BLUEFIELD	63 FTE
STATE-SIZE	Robey Excavating LLC	LUMBERPORT	63 FTE
STATE-SIZE	Infinity Electric & Service LLC	MORGANTOWN	63 FTE
CITY-NEAR	STAR Plastics, LLC MWD	Millwood	149 FTE
CITY-NEAR	TEAM Environmental, LLC	Millwood	137 FTE
CITY-NEAR	Seneca Medical LLC - Millwood	Millwood	89 FTE
CITY-NEAR	DCC : 5195-00 Constellium-DCC/Ravenswood, WV	Millwood	75 FTE
NAT-TCR	AgQuest	Morgan, MN	1.6 TCR
NAT-TCR	MITO Corporation	Elkhart, IN	1.6 TCR
NAT-TCR	Cal Coast Stucco Inc.	Sun Valley, CA	1.6 TCR
NAT-TCR	Minnkota Headquarters (Grand Forks)	Grand Forks, ND	1.6 TCR
NAT-SIZE	Golden Corral 751	Billings, MT	63 FTE
NAT-SIZE	Cherokee-US-Production	Aurelia, IA	63 FTE
NAT-SIZE	C. L. Benton & Sons, Inc.	Myrtle Beach, SC	63 FTE
NAT-SIZE	Aztec Plumbing, Inc	Ft. Myers, FL	63 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: 2020, 2019, 2018. 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.