Ready-mix concrete manufacturing and distributing · Washington

HM PNW- Seattle RMC

Name: HM PNW- Seattle RMC Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Seattle, WA · ~27 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

D
Poor Safety Record: 4.6
Avg TCR: 3.3
Industry avg: 0
Fatalities

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The verdict

HM PNW- Seattle RMC runs at 140% of its industry's injury rate - more dangerous than the typical Ready-mix concrete manufacturing and distributing workplace, earning a grade D.

HM PNW- Seattle RMC: 4.6 TCR = 140% of Ready-mix concrete manufacturing and distributing BLS 3.3 · 2y Form 300A (see methodology below)

HM PNW- Seattle RMC safety composite

HM PNW- Seattle RMC scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 37%), 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).

45/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): D 4.63 per 100 workers

Safer than 48% of industry peers
DART rate: D 4.06 per 100 workers

Safer than 37% 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

−1.1

2023→2024

HM PNW- Seattle RMC injury rate improved

HM PNW- Seattle RMC's TCR fell 1.1 from 5.2 in 2023 to 4.1 in 2024. Peak filing year was 2023 at 5.2 TCR. In 2024, DART was 0.88× this establishment's average TCR (severity share of cases).

2023=5.2 · 2024=4.1

OSHA ITA Form 300A scorecard

Establishment book 327320 · Seattle, WA ABOVE-IND · SMALL

Grade D · TCR 4.6 · 140% of ind

DART 4.1 DART
RANK #8/20
PHOTO Kienstra Ready Mix o…
BOOK 2y book
INJ 3 inj
SIZE ~27 FTE

Nearest TCR peer: Kienstra Ready Mix of O'Fallon Inc. (0.0 TCR gap)

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

This site

4.6
Kienstra Ready

4.6
Birmingham Cit

4.6
Master Made Ta

4.6
Sparks Readymi

4.6

What this shows HM PNW- Seattle RMC averages 4.6 TCR (140% of the Ready-mix concrete manufacturing and distributing BLS benchmark).

HM PNW- Seattle RMC TCR series: 2023=5.2 · 2024=4.1 · BLS 3.3

Where HM PNW- Seattle RMC falls in its industry

1,316 Ready-mix concrete manufacturi establishments

Safer than 48% of graded establishments in this industry, whose median TCR is 4.5.

Grade D

More dangerous than peersSafer than peers

Narrower to Washington alone (the establishments it most directly competes with for workers and contracts): ranked #8 safest of 20 Ready-mix concrete manufacturi employers in Washington.

HM PNW- Seattle RMC (27 employees, TCR 4.6) among 29 same-industry peers, split at the industry median of 33 employees and a TCR of 4.5

HM PNW- Seattle RMC has fewer employees than the Ready-mix concrete manufacturing and dis median and a higher injury rate than the industry's median TCR of 4.5. 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	Fatalities
2024	4.1	4.1	1	0	0
2023	5.2	5.2	2	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

327320 · WA · Seattle

1,316 Ready-mix concrete manufacturing and distributing employers nationwide with a credible TCR · 10,147 rated employers in Washington with headcount on file · 1,279 employers in Seattle, WA · 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	Kienstra Ready Mix of O'Fallon Inc.	O'FALLON, MO	4.6 TCR
NAICS-TCR	Birmingham City Plant RMC	BIRMINGHAM, AL	4.6 TCR
NAICS-TCR	Master Made Tanks, Inc.	PARIS, AR	4.6 TCR
NAICS-TCR	Sparks Readymix	SPARKS, NV	4.6 TCR
STATE-SIZE	CSS Farms, LLC Pasco, WA Pack	PASCO	27 FTE
STATE-SIZE	Scarlett Ranches LLC	ZILLAH	27 FTE
STATE-SIZE	SAGE HILL FARMS, LLC	ZILLAH	27 FTE
STATE-SIZE	Momma Chan LLC	TACOMA	27 FTE
CITY-NEAR	UW Seattle	Seattle	32,378 FTE
CITY-NEAR	The United States of America	Seattle	25,000 FTE
CITY-NEAR	Starz Entertainment	Seattle	25,000 FTE
CITY-NEAR	UW Medical Center - Montlake and NW	Seattle	11,307 FTE
NAT-TCR	Aberdeen Energy, LLC	Mina, SD	4.6 TCR
NAT-TCR	Peoria Charter Coach Company Urbana Facility	Urbana, IL	4.6 TCR
NAT-TCR	Orlando Combo	Orlando, FL	4.6 TCR
NAT-TCR	Wright Hennepin Cooperative Electric Association	Rockford, MN	4.6 TCR
NAT-SIZE	Silverwell Energy	Houston, TX	27 FTE
NAT-SIZE	FireSprint Printing	Omaha, NE	27 FTE
NAT-SIZE	Shop and Warehouse	Tucson, AZ	27 FTE
NAT-SIZE	Brady-Built Inc.	Auburn, MA	27 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: 2024, 2023. 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.