Building materials supply dealers · Delaware

Grubb Lumber Company - Main Location

Name: Grubb Lumber Company - Main Location Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Wilmington, DE · ~44 workers · 6 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

C
Average Safety Record: 3.7
Avg TCR: 3.4
Industry avg: 0
Fatalities

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The verdict

Grubb Lumber Company - Main Location runs at 109% of its industry's injury rate - about level with the typical Building materials supply dealers workplace, earning a grade C.

Grubb Lumber Company - Main Location: 3.7 TCR = 109% of Building materials supply dealers BLS 3.4 · 6y Form 300A (see methodology below)

Grubb Lumber Company - Main Location safety composite

Grubb Lumber Company - Main Location scores strongest on total case rate (tcr) (safer than 66% 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).

52/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): C 3.72 per 100 workers

Safer than 66% of industry peers
DART rate: D 4.34 per 100 workers

Safer than 37% 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

Grubb Lumber Company - Main Location: 0.0 → 6.5 TCR

Peak year 2021 @ 8.9 TCR · DART/TCR 1.17× in 2024

Grubb Lumber Company - Main Location's TCR rose 6.5 from 0.0 in 2019 to 6.5 in 2024. Peak filing year was 2021 at 8.9 TCR. In 2024, DART was 1.17× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 444190 · Wilmington, DE ABOVE-IND · SMALL

Grade C · TCR 3.7 · 109% of ind

DART 4.3 DART
RANK P66
PHOTO CARTER LUMBER 352
BOOK 6y book
INJ 9 inj
SIZE ~44 FTE

Nearest TCR peer: CARTER LUMBER 352 (0.0 TCR gap)

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

This site

3.7
CARTER LUMBER

3.7
MCHC - ORLEANS

3.7
Indy Doors IN

3.7
1432 WESTFIELD

3.7

What this shows Grubb Lumber Company - Main Location averages 3.7 TCR (109% of the Building materials supply dealers BLS benchmark).

Grubb Lumber Company - Main Location TCR series: 2019=0 · 2020=0 · 2021=8.9 · 2022=2.4 · 2023=4.5 · 2024=6.5 · BLS 3.4

Where Grubb Lumber Company - Main Location falls in its industry

1,643 Building materials supply deal establishments

Safer than 66% of graded establishments in this industry, whose median TCR is 5.2.

Grade C

More dangerous than peersSafer than peers

Grubb Lumber Company - Main Location (44 employees, TCR 3.7) among 29 same-industry peers, split at the industry median of 35 employees and a TCR of 5.2

Grubb Lumber Company - Main Location 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	Illnesses
2024	6.5	4.3	3	0
2023	4.5	4.5	2	0
2022	2.4	2.4	1	0
2021	8.9	8.9	3	1
2020	0.0	0.0	0	0
2019	0.0	0.0	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

444190 · DE · Wilmington

1,643 Building materials supply dealers employers nationwide with a credible TCR · 1,487 rated employers in Delaware with headcount on file · 309 employers in Wilmington, DE · 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	CARTER LUMBER 352	NOBLESVILLE, IN	3.7 TCR
NAICS-TCR	MCHC - ORLEANS	ORLEANS, MA	3.7 TCR
NAICS-TCR	Indy Doors IN	INDIANAPOLIS, IN	3.7 TCR
NAICS-TCR	1432 WESTFIELD MA FLATBED DISTRIBUTION	WESTFIELD, MA	3.7 TCR
STATE-SIZE	Service Unlimited Inc.	NEWCASTLE	44 FTE
STATE-SIZE	Service Unlimited, Inc.	NEW CASTLE	44 FTE
STATE-SIZE	HCE LLC	FRANKFORD	44 FTE
STATE-SIZE	Bear Materials - Walther Road	NEWARK	44 FTE
CITY-NEAR	10 Wilmington	Wilmington	9,107 FTE
CITY-NEAR	AstraZeneca Pharmaceuticals (Commercial Field-Based Personnel)	Wilmington	4,907 FTE
CITY-NEAR	Amazon.com Services LLC - MTN1	Wilmington	3,143 FTE
CITY-NEAR	Hatzel & Buehler, Inc.	Wilmington	1,841 FTE
NAT-TCR	Kroeker, Inc.	Fresno, CA	3.7 TCR
NAT-TCR	1178 - Loveland	Loveland, CO	3.7 TCR
NAT-TCR	1107 - Wilmington	Wilmington, NC	3.7 TCR
NAT-TCR	0830 - Kennewick	Kennewick, WA	3.7 TCR
NAT-SIZE	Rancho Markets#5	Magna, UT	44 FTE
NAT-SIZE	Central Ceiling Systems, Inc.	Deerfield, WI	44 FTE
NAT-SIZE	Humphrey's	Tiverton, RI	44 FTE
NAT-SIZE	CSTK-Oklahoma City	Oklahoma City, OK	44 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, 2022, 2021, 2020, 2019. 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.