Roofing contractors · California

Rua & Son Mechanical Inc.

Name: Rua & Son Mechanical Inc. Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Rocklin, CA · ~63 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

C
Average Safety Record: 3.3
Avg TCR: 2.8
Industry avg: 0
Fatalities

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The verdict

Rua & Son Mechanical Inc. runs at 117% of its industry's injury rate - about level with the typical Roofing contractors workplace, earning a grade C.

Rua & Son Mechanical Inc.: 3.3 TCR = 117% of Roofing contractors BLS 2.8 · 2y Form 300A (see methodology below)

Rua & Son Mechanical Inc. safety composite

Rua & Son Mechanical Inc. scores strongest on total case rate (tcr) (safer than 56% of same-industry peers) and weakest on dart rate (safer than 47%), 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 3.28 per 100 workers

Safer than 56% of industry peers
DART rate: D 1.9 per 100 workers

Safer than 47% 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%).

TCR Δ

−2.8

2017→2018

Rua & Son Mechanical Inc. injury rate improved

Rua & Son Mechanical Inc.'s TCR fell 2.8 from 4.7 in 2017 to 1.9 in 2018. Peak filing year was 2017 at 4.7 TCR. In 2018, DART was 0.58× this establishment's average TCR (severity share of cases).

2017=4.7 · 2018=1.9

OSHA ITA Form 300A scorecard

Establishment book 238160 · Rocklin, CA ABOVE-IND · SMALL

Grade C · TCR 3.3 · 117% of ind

DART 1.9 DART
RANK #45/149
PHOTO 2900
BOOK 2y book
INJ 3 inj
SIZE ~63 FTE

Nearest TCR peer: 2900 (0.0 TCR gap)

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This site

3.3
2900

3.3
Dakota Corp db

3.3
The Hamlin Com

3.3
1400

3.3

What this shows Rua & Son Mechanical Inc. averages 3.3 TCR (117% of the Roofing contractors BLS benchmark).

Rua & Son Mechanical Inc. TCR series: 2017=4.7 · 2018=1.9 · BLS 2.8

Where Rua & Son Mechanical Inc. falls in its industry

1,723 Roofing contractors establishments

Safer than 56% of graded establishments in this industry, whose median TCR is 3.7.

Grade C

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #45 safest of 149 Roofing contractors employers in California.

Rua & Son Mechanical Inc. (63 employees, TCR 3.3) among 29 same-industry peers, split at the industry median of 44 employees and a TCR of 3.7

Rua & Son Mechanical Inc. has more employees than the Roofing contractors median and a lower injury rate than the industry's median TCR of 3.7. 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	1.9	1.9	1	0	0
2017	4.7	2.3	2	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

238160 · CA · Rocklin

1,723 Roofing contractors employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 127 employers in Rocklin, 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	2900	CANONSBURG, PA	3.3 TCR
NAICS-TCR	Dakota Corp dba Jessie Bryant Roofing	MEMPHIS, TN	3.3 TCR
NAICS-TCR	The Hamlin Companies	GARNER, NC	3.3 TCR
NAICS-TCR	1400	KING OF PRUSSIA, PA	3.3 TCR
STATE-SIZE	VF - Lodi	LODI	63 FTE
STATE-SIZE	Valley Ventures, Inc.	FIREBAUGH	63 FTE
STATE-SIZE	Goossen Farms Inc	DINUBA	63 FTE
STATE-SIZE	NGW, LLC	COALINGA	63 FTE
CITY-NEAR	California Department of Transportation Facility 75	Rocklin	2,413 FTE
CITY-NEAR	Infinity Energy Inc.	Rocklin	676 FTE
CITY-NEAR	Ace Hardware Retail Support Center	Rocklin	562 FTE
CITY-NEAR	Sacramento Retail Support Center - Ace Hardware	Rocklin	515 FTE
NAT-TCR	Location 2	Staunton, IL	3.3 TCR
NAT-TCR	273 ABC Supply Co., Inc	E Peoria, IL	3.3 TCR
NAT-TCR	Eton Tufting	Eton, GA	3.3 TCR
NAT-TCR	Regency Hospital of Hattiesburg	Hattiesburg, MS	3.3 TCR
NAT-SIZE	Piper Plastic Illinois	Libertyville, IL	63 FTE
NAT-SIZE	Woodward Printing Services/GIL Shopping News	Platteville, WI	63 FTE
NAT-SIZE	Cascades Tissue Group North Carolina - Rockingham	Rockingham, NC	63 FTE
NAT-SIZE	N and R of Platte City Inc	Platte City, MO	63 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.