Waterproofing contractors · California

Thome Waterproofing Co., Inc.

Name: Thome Waterproofing Co., Inc. Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Santa Clarita, CA · ~34 workers · 3 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

F
Failing Safety Record: 7.6
Avg TCR: 2.8
Industry avg: 0
Fatalities

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The verdict

Thome Waterproofing Co., Inc. runs at 271% of its industry's injury rate - far more dangerous than the typical Waterproofing contractors workplace, earning a grade F.

Thome Waterproofing Co., Inc.: 7.6 TCR = 271% of Waterproofing contractors BLS 2.8 · 3y Form 300A (see methodology below)

Thome Waterproofing Co., Inc. safety composite

Thome Waterproofing Co., Inc. scores strongest on dart rate (safer than 79% of same-industry peers) and weakest on total case rate (tcr) (safer than 22%), 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).

49/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): F 7.6 per 100 workers

Safer than 22% of industry peers
DART rate: B 0 per 100 workers

Safer than 79% 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

Thome Waterproofing Co., Inc.: 0.0 → 8.7 TCR

Peak year 2020 @ 14.1 TCR · DART/TCR 0× in 2021

Thome Waterproofing Co., Inc.'s TCR rose 8.7 from 0.0 in 2019 to 8.7 in 2021. Peak filing year was 2020 at 14.1 TCR. In 2021, DART was 0× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238390 · Santa Clarita, CA ABOVE-IND · SMALL

Grade F · TCR 7.6 · 271% of ind

DART 0.0 DART
RANK #38/55
PHOTO VBS - NJX
BOOK 3y book
INJ 6 inj
SIZE ~34 FTE

Nearest TCR peer: VBS - NJX (0.0 TCR gap)

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

Innovative Sto

7.7
This site

7.6
VBS - NJX

7.6
Baker's Waterp

7.6
Seal Well Inc.

7.5

What this shows Thome Waterproofing Co., Inc. averages 7.6 TCR (271% of the Waterproofing contractors BLS benchmark).

Thome Waterproofing Co., Inc. TCR series: 2019=0 · 2020=14.1 · 2021=8.7 · BLS 2.8

Where Thome Waterproofing Co., Inc. falls in its industry

403 Waterproofing contractors establishments

Safer than 22% of graded establishments in this industry, whose median TCR is 4.1.

Grade F

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #38 safest of 55 Waterproofing contractors employers in California.

Thome Waterproofing Co., Inc. (34 employees, TCR 7.6) among 29 same-industry peers, split at the industry median of 53 employees and a TCR of 4.1

Thome Waterproofing Co., Inc. has fewer employees than the Waterproofing contractors median and a higher injury rate than the industry's median TCR of 4.1. 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	8.7	0.0	2
2020	14.1	10.6	4
2019	0.0	0.0	0

OSHA ITA peer cross-reference

Establishment peer ledger

238390 · CA · Santa Clarita

403 Waterproofing contractors employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 115 employers in Santa Clarita, CA · 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	VBS - NJX	MILLSTONE, NJ	7.6 TCR
NAICS-TCR	Baker's Waterproofing Co., Inc. Primary	BENTLEYVILLE, PA	7.6 TCR
NAICS-TCR	Seal Well Inc. DBA Renaissance Stone Care & Waterproofing	SAN JOSE, CA	7.5 TCR
NAICS-TCR	Innovative Store Systems, Inc.	LA HABRA, CA	7.7 TCR
STATE-SIZE	Ardent Mills Yuba City	YUBA CITY	34 FTE
STATE-SIZE	Filice Farms, L.P.	HOLLISTER	34 FTE
STATE-SIZE	Alexander Ranch, Inc.	CARPINTERIA	34 FTE
STATE-SIZE	MFarms	FELICITY	34 FTE
CITY-NEAR	California Department of Transportation Facility 528	Santa Clarita	2,621 FTE
CITY-NEAR	Princess Cruise Lines LTD	Santa Clarita	1,806 FTE
CITY-NEAR	058101-SANTA CLARITA CA P&DC	Santa Clarita	958 FTE
CITY-NEAR	The Master's University and Seminary	Santa Clarita	829 FTE
NAT-TCR	Leggett & Platt, Inc Branch 6016	Cape Girardeau, MO	7.6 TCR
NAT-TCR	2450 Iorio St	Union, NJ	7.6 TCR
NAT-TCR	Seating Concepts Inc. - Rockdale	Rockdale, IL	7.6 TCR
NAT-TCR	Ward Trucking LLC-Harrisburg	Camp Hill, PA	7.6 TCR
NAT-SIZE	2778 NC 50 South, Benson, NC 27504	Benson, NC	34 FTE
NAT-SIZE	Clearwater Power Company	Lewiston, ID	34 FTE
NAT-SIZE	CM Ams	Amsterdam, NY	34 FTE
NAT-SIZE	US ND Tioga 68th Street NW	Tioga, ND	34 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. 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.