Roofing contractors · California

Stone Roofing Co., Inc.

Azusa, CA · ~68 workers · 8 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
1.2
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Stone Roofing Co., Inc. runs at 42% of its industry's injury rate - far safer than the typical Roofing contractors workplace, earning a grade A.

Stone Roofing Co., Inc.: 1.2 TCR = 42% of Roofing contractors BLS 2.8 · 8y Form 300A (see methodology below)

Stone Roofing Co., Inc. safety composite

Stone Roofing Co., Inc. scores strongest on total case rate (tcr) (safer than 88% of same-industry peers) and weakest on dart rate (safer than 37%), 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).

C

61/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 1.17 per 100 workers

Safer than 88% of industry peers

DART rate
D 2.89 per 100 workers

Safer than 37% 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

Stone Roofing Co., Inc.: 1.8 → 2.9 TCR

Peak year 2024 @ 2.9 TCR · DART/TCR 2.47× in 2024

Stone Roofing Co., Inc.'s TCR rose 1.1 from 1.8 in 2017 to 2.9 in 2024. In 2024, DART was 2.47× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238160 · Azusa, CA AT/BELOW-IND · SMALL

Grade A · TCR 1.2 · 42% of ind

  • DART 2.9 DART
  • RANK #10/149
  • PHOTO MTVSOLAR-WV
  • BOOK 8y book
  • INJ 7 inj
  • SIZE ~68 FTE

Nearest TCR peer: MTVSOLAR-WV (0.0 TCR gap)

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

Stone Roofing Co., Inc. in the TCR neighbourhood

Average Total Case Rate among this establishment and nearest same-industry peers

TCR

What this shows Stone Roofing Co., Inc. averages 1.2 TCR (42% of the Roofing contractors BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

Stone Roofing Co., Inc. TCR series: 2017=1.8 · 2018=1.4 · 2019=0 · 2020=0 · 2021=1.9 · 2022=0 · 2023=1.3 · 2024=2.9 · BLS 2.8

Where Stone Roofing Co., Inc. falls in its industry

1,723 Roofing contractors establishments

Safer than 88% of graded establishments in this industry, whose median TCR is 3.7.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #10 safest of 149 Roofing contractors employers in California.

Stone Roofing Co., Inc. (68 employees, TCR 1.2) among 29 same-industry peers, split at the industry median of 44 employees and a TCR of 3.7 2×2 strategic matrix plotting 30 entities by Average employees (X) and Total Case Rate (Y), with a crosshair dividing the plot into four quadrants. Larger & higher-riskSmaller & higher-riskLarger & saferSmaller & safer than peers 050100150 0102030 Average employees Total Case Rate Stone Roofing Co., Inc.
Stone Roofing Co., Inc. (68 employees, TCR 1.2) among 29 same-industry peers, split at the industry median of 44 employees and a TCR of 3.7

Stone Roofing Co., 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
2024 2.9 2.9 3 0 0
2023 1.3 1.3 1 0 0
2022 0.0 0.0 0 0 0
2021 1.9 1.9 1 0 0
2020 0.0 0.0 0 0 0
2019 0.0 0.0 0 0 0
2018 1.4 0.0 1 0 0
2017 1.8 1.8 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238160 · CA · Azusa

1,723 Roofing contractors employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 73 employers in Azusa, CA · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR MTVSOLAR-WV 1.2 TCR
NAICS-TCR Jim Giese Commercial Roofing 1.2 TCR
NAICS-TCR NEW CENTURY ROOFING, LLC 1.2 TCR
NAICS-TCR Tri-State Roofing & Sheet Metal Co of OH 1.2 TCR
STATE-SIZE California Valley Land Co. 68 FTE
STATE-SIZE MCFFO 68 FTE
STATE-SIZE VinePro Vineyard Management, Inc. 68 FTE
STATE-SIZE Knights Grapevine Nursery 68 FTE
CITY-NEAR NGSP-E654 991 FTE
CITY-NEAR NGAS-E650 989 FTE
CITY-NEAR City of Azusa 366 FTE
CITY-NEAR City of Azusa - Public Works 336 FTE
NAT-TCR Marel, Inc. 1.2 TCR
NAT-TCR Ben's Supercenter Cass City LLC 1.2 TCR
NAT-TCR ALC 1.2 TCR
NAT-TCR Westlake Natrium LLC 1.2 TCR
NAT-SIZE Roscoe Company 68 FTE
NAT-SIZE Administration Center 68 FTE
NAT-SIZE Pal Portland LLC 68 FTE
NAT-SIZE Gateway Woods Family Services, Inc 68 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: 2024, 2023, 2022, 2021, 2020, 2019, 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.