Building materials supply dealers · Texas

Rock Materials Coppell

Name: Rock Materials Coppell Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Coppell, TX · ~72 workers · 4 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

B
Good Safety Record: 2.6
Avg TCR: 3.4
Industry avg: 0
Fatalities

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The verdict

Rock Materials Coppell runs at 75% of its industry's injury rate - safer than the typical Building materials supply dealers workplace, earning a grade B.

Rock Materials Coppell: 2.6 TCR = 75% of Building materials supply dealers BLS 3.4 · 4y Form 300A (see methodology below)

Rock Materials Coppell safety composite

Rock Materials Coppell scores strongest on total case rate (tcr) (safer than 80% of same-industry peers) and weakest on dart rate (safer than 41%), 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).

59/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): B 2.56 per 100 workers

Safer than 80% of industry peers
DART rate: D 3.9 per 100 workers

Safer than 41% 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%).

Rising injury rate

Rock Materials Coppell: 1.7 → 3.9 TCR

Peak year 2019 @ 3.9 TCR · DART/TCR 1.52× in 2019

Rock Materials Coppell's TCR rose 2.2 from 1.7 in 2016 to 3.9 in 2019. In 2019, DART was 1.52× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 444190 · Coppell, TX AT/BELOW-IND · SMALL

Grade B · TCR 2.6 · 75% of ind

DART 3.9 DART
RANK #40/180
PHOTO Rexburg
BOOK 4y book
INJ 8 inj
SIZE ~72 FTE

Nearest TCR peer: Rexburg (0.0 TCR gap)

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This site

2.6
Rexburg

2.6
Shoemaker Lumb

2.6
Mentor Lumber

2.6
Thrifty Buildi

2.6

What this shows Rock Materials Coppell averages 2.6 TCR (75% of the Building materials supply dealers BLS benchmark).

Rock Materials Coppell TCR series: 2016=1.7 · 2017=3.1 · 2018=1.6 · 2019=3.9 · BLS 3.4

Where Rock Materials Coppell falls in its industry

1,643 Building materials supply deal establishments

Safer than 80% of graded establishments in this industry, whose median TCR is 5.2.

Grade B

More dangerous than peersSafer than peers

Narrower to Texas alone (the establishments it most directly competes with for workers and contracts): ranked #40 safest of 180 Building materials supply deal employers in Texas.

Rock Materials Coppell (72 employees, TCR 2.6) among 29 same-industry peers, split at the industry median of 35 employees and a TCR of 5.2

Rock Materials Coppell has more employees than the Building materials supply dealers median and a lower injury rate than the industry's median TCR of 5.2. 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
2019	3.9	3.9	3
2018	1.6	1.6	1
2017	3.1	3.1	3
2016	1.7	1.7	1

OSHA ITA peer cross-reference

Establishment peer ledger

444190 · TX · Coppell

1,643 Building materials supply dealers employers nationwide with a credible TCR · 38,394 rated employers in Texas with headcount on file · 192 employers in Coppell, 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	Rexburg	REXBURG, ID	2.6 TCR
NAICS-TCR	Shoemaker Lumber	OCEAN CITY, NJ	2.6 TCR
NAICS-TCR	Mentor Lumber & Supply Company	MENTOR, OH	2.6 TCR
NAICS-TCR	Thrifty Building Supply - PC2 Olive Branch	OLIVE BRANCH, MS	2.6 TCR
STATE-SIZE	Soli Organic Inc. - Rice	RICE	72 FTE
STATE-SIZE	Holmes Foods Inc / Hatchery	GONZALES	72 FTE
STATE-SIZE	Main	KILGORE	72 FTE
STATE-SIZE	NGL WATER SOLUTIONS, LLC-MIDLAND	MIDLAND	72 FTE
CITY-NEAR	Driveline Retail Merchandising	Coppell	7,570 FTE
CITY-NEAR	North America Fulfillment Centers (FCs) : FTW6	Coppell	3,496 FTE
CITY-NEAR	Amazon.com Services LLC - FTW6	Coppell	2,948 FTE
CITY-NEAR	482273-NORTH TEXAS TX P&DC	Coppell	1,373 FTE
NAT-TCR	Cymer - Dayton	Dayton, TN	2.6 TCR
NAT-TCR	801 16th st	Phx, AZ	2.6 TCR
NAT-TCR	I. E. Electric	Centennial, CO	2.6 TCR
NAT-TCR	Minnesota Correctional Facility, Lino Lakes	Lino Lakes, MN	2.6 TCR
NAT-SIZE	Urban Casinos Inc.	Las Vegas, NV	72 FTE
NAT-SIZE	Y5Q L.E.Smith (1874) Incorporated	Rockport, MA	72 FTE
NAT-SIZE	Mid-America Precision Products 4th Street.	Joplin, MO	72 FTE
NAT-SIZE	Killdeer Trucking	Killdeer, ND	72 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, 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.