Roof trusses, wood, manufacturing · California

Diamond Truss, Inc.

Name: Diamond Truss, Inc. Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Grass Valley, CA · ~20 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

C
Average Safety Record: 0.0
Avg TCR: 3.3
Industry avg: 0
Fatalities

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The verdict

Diamond Truss, Inc. runs at 0% of its industry's injury rate - about level with the typical Roof trusses, wood, manufacturing workplace, earning a grade C.

Diamond Truss, Inc.: 0.0 TCR = 0% of Roof trusses, wood, manufacturing BLS 3.3 · 2y Form 300A (see methodology below)

Diamond Truss, Inc. safety composite

Diamond Truss, Inc. scores strongest on total case rate (tcr) (safer than 100% 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).

83/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): A 0 per 100 workers

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

Safer than 88% 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%).

Diamond Truss, Inc. held a steady TCR band

Diamond Truss, Inc.'s TCR held near 0.0 from 0.0 in 2017 to 0.0 in 2018. Peak filing year was 2017 at 0.0 TCR.

2017=0.0 · 2018=0.0

OSHA ITA Form 300A scorecard

Establishment book 321214 · Grass Valley, CA AT/BELOW-IND · SMALL

Grade C · TCR 0.0 · 0% of ind

DART 0.0 DART
RANK #0/20
PHOTO UFP Lafayeytte, LLC
BOOK 2y book
INJ 0 inj
SIZE ~20 FTE

Nearest TCR peer: UFP Lafayeytte, LLC (0.2 TCR gap)

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

FG VAN ALSTYNE

0.6
Cascade Mfg Co

0.3
Concord Roof T

0.3
UFP Lafayeytte

0.2
This site

0

What this shows Diamond Truss, Inc. averages 0.0 TCR (0% of the Roof trusses, wood, manufacturing BLS benchmark).

Diamond Truss, Inc. TCR series: 2017=0 · 2018=0 · BLS 3.3

Where Diamond Truss, Inc. falls in its industry

421 Roof trusses, wood, manufactur establishments

Safer than 100% of graded establishments in this industry, whose median TCR is 7.0.

Grade C

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #0 safest of 20 Roof trusses, wood, manufactur employers in California.

Diamond Truss, Inc. (20 employees, TCR 0.0) among 29 same-industry peers, split at the industry median of 55 employees and a TCR of 7.0

Diamond Truss, Inc. has fewer employees than the Roof trusses, wood, manufacturing median and a lower injury rate than the industry's median TCR of 7.0. 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	0.0	0.0	0	0	0
2017	0.0	0.0	0	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

321214 · CA · Grass Valley

421 Roof trusses, wood, manufacturing employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 66 employers in Grass Valley, 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	UFP Lafayeytte, LLC	LAFAYETTE, CO	0.2 TCR
NAICS-TCR	Cascade Mfg Co	CASCADE, IA	0.3 TCR
NAICS-TCR	Concord Roof Truss Company	WOODBURY HEIGHTS, NJ	0.3 TCR
NAICS-TCR	FG VAN ALSTYNE	VAN ALSTYNE, TX	0.6 TCR
STATE-SIZE	Sills Farms, Inc.	PLEASANT GROVE	20 FTE
STATE-SIZE	F A Maggiore & Sons, LLC	BRENTWOOD	20 FTE
STATE-SIZE	CALMEX CONTRACTING INC	PORTERVILLE	20 FTE
STATE-SIZE	Velvet Antler Ranch LLC	LINDEN	20 FTE
CITY-NEAR	6403-64030166	Grass Valley	850 FTE
CITY-NEAR	Sierra Nevada Memorial - Miners Hospital	Grass Valley	847 FTE
CITY-NEAR	Sierra Nevada Memorial Miners-Hospital	Grass Valley	752 FTE
CITY-NEAR	Sierra Nevada Memorial-Miners Hospital	Grass Valley	749 FTE
NAT-TCR	GeoCare, Inc. DBA Home Instead Senior Care	North Olmsted, OH	0.0 TCR
NAT-TCR	TX-01	Austin, TX	0.0 TCR
NAT-TCR	NJ-05	Ewing Township, NJ	0.0 TCR
NAT-TCR	CT-02	Stamford, CT	0.0 TCR
NAT-SIZE	Grand Ridge Energy Center	Marseilles, IL	20 FTE
NAT-SIZE	hi of carbondale, llc	Carbondale, IL	20 FTE
NAT-SIZE	Agricultural Construction	Maple Park, IL	20 FTE
NAT-SIZE	Houston EB BASF	Houston, TX	20 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.