Cleaning homes · North Carolina

Williamson-Diaz, Inc

Name: Williamson-Diaz, Inc Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Greensboro, NC · ~24 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

B
Good Safety Record: 2.6
Avg TCR: 4.5
Industry avg: 0
Fatalities

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The verdict

Williamson-Diaz, Inc runs at 58% of its industry's injury rate - safer than the typical Cleaning homes workplace, earning a grade B.

Williamson-Diaz, Inc: 2.6 TCR = 58% of Cleaning homes BLS 4.5 · 2y Form 300A (see methodology below)

Williamson-Diaz, Inc safety composite

Williamson-Diaz, Inc scores strongest on dart rate (safer than 78% of same-industry peers) and weakest on fatalities (safer than 50%), 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).

63/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): C 2.63 per 100 workers

Safer than 58% of industry peers
DART rate: B 0 per 100 workers

Safer than 78% 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%).

TCR Δ

−5.3

2020→2023

Williamson-Diaz, Inc injury rate improved

Williamson-Diaz, Inc's TCR fell 5.3 from 5.3 in 2020 to 0.0 in 2023. Peak filing year was 2020 at 5.3 TCR. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

2020=5.3 · 2023=0.0

OSHA ITA Form 300A scorecard

Establishment book 561720 · Greensboro, NC AT/BELOW-IND · SMALL

Grade B · TCR 2.6 · 58% of ind

DART 0.0 DART
RANK #67/131
PHOTO Texas State Univ Ope
BOOK 2y book
INJ 1 inj
SIZE ~24 FTE

Nearest TCR peer: Texas State Univ Ope (0.0 TCR gap)

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

This site

2.6
Texas State Un

2.6
L3Harris - BBS

2.6
126205

2.6
RCS IWC Holdin

2.6

What this shows Williamson-Diaz, Inc averages 2.6 TCR (58% of the Cleaning homes BLS benchmark).

Williamson-Diaz, Inc TCR series: 2020=5.3 · 2023=0 · BLS 4.5

Where Williamson-Diaz, Inc falls in its industry

4,064 Cleaning homes establishments

Safer than 58% of graded establishments in this industry, whose median TCR is 3.2.

Grade B

More dangerous than peersSafer than peers

Narrower to North Carolina alone (the establishments it most directly competes with for workers and contracts): ranked #67 safest of 131 Cleaning homes employers in North Carolina.

Williamson-Diaz, Inc (24 employees, TCR 2.6) among 29 same-industry peers, split at the industry median of 56 employees and a TCR of 3.2

Williamson-Diaz, Inc has fewer employees than the Cleaning homes median and a lower injury rate than the industry's median TCR of 3.2. 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	Fatalities
2023	0.0	0.0	0	0	0
2020	5.3	5.3	1	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

561720 · NC · Greensboro

4,064 Cleaning homes employers nationwide with a credible TCR · 16,981 rated employers in North Carolina with headcount on file · 920 employers in Greensboro, NC · 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	Texas State Univ Ope	SAN MARCOS, TX	2.6 TCR
NAICS-TCR	L3Harris - BBS	CLIFTON, NJ	2.6 TCR
NAICS-TCR	126205	BALTIMORE, MA	2.6 TCR
NAICS-TCR	RCS IWC Holdings, LLC dba National Janitorial	MOORESTOWN, NJ	2.6 TCR
STATE-SIZE	Open Grounds Farm, Inc.	BEAUFORT	24 FTE
STATE-SIZE	Super-Sod Charlotte	PINEVILLE	24 FTE
STATE-SIZE	Holland Farms, Inc	KENLY	24 FTE
STATE-SIZE	CENTRAL LNM-EST	WARSAW	24 FTE
CITY-NEAR	MHCMH-Cone-Moses H Cone Memorial Hospital	Greensboro	3,806 FTE
CITY-NEAR	Guilford County Local Government - All Employees	Greensboro	3,270 FTE
CITY-NEAR	Guilford County Local Government	Greensboro	3,194 FTE
CITY-NEAR	NCGRE - GREENSBORO HUB	Greensboro	2,447 FTE
NAT-TCR	Life Sciences : Phenomenex - Torrance	Torrance, CA	2.6 TCR
NAT-TCR	Mag 1	Elkhart, IN	2.6 TCR
NAT-TCR	The Sheridan Press	Hanover, PA	2.6 TCR
NAT-TCR	APL Logistics WMS, Inc - Stockton, CA	Stockton, CA	2.6 TCR
NAT-SIZE	Illinois Engineered Products, Inc	Chicago, IL	24 FTE
NAT-SIZE	1334 Lonedell Road	Arnold, MO	24 FTE
NAT-SIZE	Espy Transport LLC	Tyrone, PA	24 FTE
NAT-SIZE	Port Allen Terminal	Baton Rouge, LA	24 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: 2023, 2020. 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.