Mechanical contractors · Texas

Armstrong Plumbing Air Electric

Name: Armstrong Plumbing Air Electric Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Lubbock, TX · ~110 workers · 4 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

D
Poor Safety Record: 4.8
Avg TCR: 2.8
Industry avg: 0
Fatalities

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The verdict

Armstrong Plumbing Air Electric runs at 171% of its industry's injury rate - more dangerous than the typical Mechanical contractors workplace, earning a grade D.

Armstrong Plumbing Air Electric: 4.8 TCR = 171% of Mechanical contractors BLS 2.8 · 4y Form 300A (see methodology below)

Armstrong Plumbing Air Electric safety composite

Armstrong Plumbing Air Electric scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 3%), 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).

28/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): D 4.79 per 100 workers

Safer than 36% of industry peers
DART rate: F 11.76 per 100 workers

Safer than 3% 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%).

Rising injury rate

Armstrong Plumbing Air Electric: 3.8 → 11.8 TCR

Peak year 2021 @ 11.8 TCR · DART/TCR 2.46× in 2021

Armstrong Plumbing Air Electric's TCR rose 8.0 from 3.8 in 2016 to 11.8 in 2021. In 2021, DART was 2.46× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238220 · Lubbock, TX ABOVE-IND · MID

Grade D · TCR 4.8 · 171% of ind

DART 11.8 DART
RANK #296/408
PHOTO Stanger Industries, …
BOOK 4y book
INJ 20 inj
SIZE ~110 FTE

Nearest TCR peer: Stanger Industries, Inc (0.0 TCR gap)

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

This site

4.8
Stanger Indust

4.8
ACT Perham

4.8
GHC Mechanical

4.8
Duggan Mechani

4.8

What this shows Armstrong Plumbing Air Electric averages 4.8 TCR (171% of the Mechanical contractors BLS benchmark).

Armstrong Plumbing Air Electric TCR series: 2016=3.8 · 2019=3.6 · 2020=0 · 2021=11.8 · BLS 2.8

Where Armstrong Plumbing Air Electric falls in its industry

5,793 Mechanical contractors establishments

Safer than 36% of graded establishments in this industry, whose median TCR is 3.3.

Grade D

More dangerous than peersSafer than peers

Narrower to Texas alone (the establishments it most directly competes with for workers and contracts): ranked #296 safest of 408 Mechanical contractors employers in Texas.

Armstrong Plumbing Air Electric (110 employees, TCR 4.8) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Armstrong Plumbing Air Electric has more employees than the Mechanical contractors median and a higher injury rate than the industry's median TCR of 3.3. 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
2021	11.8	11.8	11
2020	0.0	0.0	0
2019	3.6	2.7	4
2016	3.8	3.8	5

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · TX · Lubbock

5,793 Mechanical contractors employers nationwide with a credible TCR · 38,394 rated employers in Texas with headcount on file · 482 employers in Lubbock, TX · 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	Stanger Industries, Inc	KANSAS CITY, MO	4.8 TCR
NAICS-TCR	ACT Perham	PERHAM, MN	4.8 TCR
NAICS-TCR	GHC Mechanical, LLC	ELK GROVE VILLAGE, IL	4.8 TCR
NAICS-TCR	Duggan Mechanical Services	CANTON, MA	4.8 TCR
STATE-SIZE	Freeport LNG HQ	HOUSTON	110 FTE
STATE-SIZE	Pearsall	PEARSALL	110 FTE
STATE-SIZE	American Communications Construction, Inc.	TOMBALL	110 FTE
STATE-SIZE	Invista Houston TX	HOUSTON	110 FTE
CITY-NEAR	A01 Covenant Medical Center	Lubbock	3,178 FTE
CITY-NEAR	2004-20049000	Lubbock	2,269 FTE
CITY-NEAR	FALCON HEALTHCARE INC DBA INTERIM HEALTHCARE	Lubbock	2,046 FTE
CITY-NEAR	Covenant Health System	Lubbock	1,761 FTE
NAT-TCR	Dutchmen Plant 820	Middlebury, IN	4.8 TCR
NAT-TCR	CrossRoads Plant 530	Topeka, IN	4.8 TCR
NAT-TCR	Community Action Agency South Central Michigan	Battle Creek, MI	4.8 TCR
NAT-TCR	Laddawn, Inc. Sparks, NV	Sparks, NV	4.8 TCR
NAT-SIZE	City Hall	Ames, IA	110 FTE
NAT-SIZE	Eden Prairie Campus	Eden Prairie, MN	110 FTE
NAT-SIZE	Friends Office	Bronx, NY	110 FTE
NAT-SIZE	Valway-Twc-Value Way Dc-Columbus, Oh	Columbus, OH	110 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, 2019, 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.