Commercial building construction general contractors · California

Thompson Builders Corporation

Name: Thompson Builders Corporation Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Novato, CA · ~154 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

C
Average Safety Record: 3.5
Avg TCR: 2.9
Industry avg: 0
Fatalities

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The verdict

Thompson Builders Corporation runs at 119% of its industry's injury rate - about level with the typical Commercial building construction general contractors workplace, earning a grade C.

Thompson Builders Corporation: 3.5 TCR = 119% of Commercial building construction general contractors BLS 2.9 · 2y Form 300A (see methodology below)

Thompson Builders Corporation safety composite

Thompson Builders Corporation scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 7%), 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).

29/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): D 3.46 per 100 workers

Safer than 35% of industry peers
DART rate: F 6.03 per 100 workers

Safer than 7% 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%).

Rising injury rate

Thompson Builders Corporation: 0.9 → 6.0 TCR

Peak year 2018 @ 6.0 TCR · DART/TCR 1.74× in 2018

Thompson Builders Corporation's TCR rose 5.2 from 0.9 in 2017 to 6.0 in 2018. In 2018, DART was 1.74× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 236220 · Novato, CA ABOVE-IND · MID

Grade C · TCR 3.5 · 119% of ind

DART 6.0 DART
RANK #311/486
PHOTO Ahrens Enterprises, …
BOOK 2y book
INJ 10 inj
SIZE ~154 FTE

Nearest TCR peer: Ahrens Enterprises, Inc (0.0 TCR gap)

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This site

3.5
Ahrens Enterpr

3.5
HB McClure

3.5
Longhorn Const

3.5
Interior Insta

3.5

What this shows Thompson Builders Corporation averages 3.5 TCR (119% of the Commercial building construction general contractors BLS benchmark).

Thompson Builders Corporation TCR series: 2017=0.9 · 2018=6 · BLS 2.9

Where Thompson Builders Corporation falls in its industry

4,692 Commercial building constructi establishments

Safer than 35% of graded establishments in this industry, whose median TCR is 2.3.

Grade C

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #311 safest of 486 Commercial building constructi employers in California.

Thompson Builders Corporation (154 employees, TCR 3.5) among 29 same-industry peers, split at the industry median of 55 employees and a TCR of 2.3

Thompson Builders Corporation has more employees than the Commercial building construction general median and a higher injury rate than the industry's median TCR of 2.3. 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
2018	6.0	6.0	9	0	0
2017	0.9	0.9	1	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

236220 · CA · Novato

4,692 Commercial building construction general contractors employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 79 employers in Novato, 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	Ahrens Enterprises, Inc	LAKE PARK, FL	3.5 TCR
NAICS-TCR	HB McClure	HARRISBURG, PA	3.5 TCR
NAICS-TCR	Longhorn Construction Services, Inc.	ALBUQUERQUE, NM	3.5 TCR
NAICS-TCR	Interior Installation Services	GREEN BAY, WI	3.5 TCR
STATE-SIZE	Sun Pacific Shippers \| Euclid Packinghouse	PORTERVILLE	154 FTE
STATE-SIZE	A.M. AG ENTERPRISE, INC.	LEMOORE	154 FTE
STATE-SIZE	AUBURN SERVICE CENTER	AUBURN	154 FTE
STATE-SIZE	Van Nuys District HDQ	VAN NUYS	154 FTE
CITY-NEAR	BioMarin Pharmaceutical, Inc.	Novato	2,276 FTE
CITY-NEAR	Township Building Services, Inc.	Novato	1,341 FTE
CITY-NEAR	Sutter Bay Hospitals (30256)	Novato	355 FTE
CITY-NEAR	Novato Community Hospital (274-NC-HSP)	Novato	337 FTE
NAT-TCR	Jones Fiber Products, Inc.	Humboldt, TN	3.5 TCR
NAT-TCR	Honeymoon Paper Products Corrugated Division	Fairfield, OH	3.5 TCR
NAT-TCR	05-Madison	Madison, WI	3.5 TCR
NAT-TCR	Nuclear Energy : SCO	Wilmington, NC	3.5 TCR
NAT-SIZE	KY-02	Louisville, KY	154 FTE
NAT-SIZE	BASF Colors & Effects - Newport	Newport, DE	154 FTE
NAT-SIZE	Springfield (Extended) (Mospe)	Springfield, MO	154 FTE
NAT-SIZE	Missoula (Mtmis)	Missoula, MT	154 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: 2018, 2017. 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.