Mason's materials merchant wholesalers · California

A&A Stepping Stone Mfg. Inc.

Newcastle, CA · ~44 workers · 6 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
6.4
Avg TCR
2.2
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

A&A Stepping Stone Mfg. Inc. runs at 289% of its industry's injury rate - far more dangerous than the typical Mason's materials merchant wholesalers workplace, earning a grade F.

A&A Stepping Stone Mfg. Inc.: 6.4 TCR = 289% of Mason's materials merchant wholesalers BLS 2.2 · 6y Form 300A (see methodology below)

A&A Stepping Stone Mfg. Inc. safety composite

A&A Stepping Stone Mfg. Inc. scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 8%), 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).

F

24/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 6.36 per 100 workers

Safer than 22% of industry peers

DART rate
F 7.52 per 100 workers

Safer than 8% 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

−1.2

2017→2022

A&A Stepping Stone Mfg. Inc. injury rate improved

A&A Stepping Stone Mfg. Inc.'s TCR fell 1.2 from 8.7 in 2017 to 7.5 in 2022. Peak filing year was 2018 at 10.5 TCR. In 2022, DART was 1.18× this establishment's average TCR (severity share of cases).

2017=8.7 · 2018=10.5 · 2019=2.0 · 2020=4.1 · 2021=5.4 · 2022=7.5

OSHA ITA Form 300A scorecard

Establishment book 423320 · Newcastle, CA ABOVE-IND · SMALL

Grade F · TCR 6.4 · 289% of ind

  • DART 7.5 DART
  • RANK #8/10
  • PHOTO Midwest Tile Marble …
  • BOOK 6y book
  • INJ 18 inj
  • SIZE ~44 FTE

Nearest TCR peer: Midwest Tile Marble & Granite (0.0 TCR gap)

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

A&A Stepping Stone Mfg. Inc. in the TCR neighbourhood

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

TCR

What this shows A&A Stepping Stone Mfg. Inc. averages 6.4 TCR (289% of the Mason's materials merchant wholesalers BLS benchmark).

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

A&A Stepping Stone Mfg. Inc. TCR series: 2017=8.7 · 2018=10.5 · 2019=2 · 2020=4.1 · 2021=5.4 · 2022=7.5 · BLS 2.2

Where A&A Stepping Stone Mfg. Inc. falls in its industry

158 Mason's materials merchant who establishments

Safer than 22% of graded establishments in this industry, whose median TCR is 3.1.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #8 safest of 10 Mason's materials merchant who employers in California.

A&A Stepping Stone Mfg. Inc. (44 employees, TCR 6.4) among 29 same-industry peers, split at the industry median of 42 employees and a TCR of 3.1 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 050100150200 0510152025 Average employees Total Case Rate A&A Stepping Stone Mfg. Inc.
A&A Stepping Stone Mfg. Inc. (44 employees, TCR 6.4) among 29 same-industry peers, split at the industry median of 42 employees and a TCR of 3.1

A&A Stepping Stone Mfg. Inc. has more employees than the Mason's materials merchant wholesalers median and a higher injury rate than the industry's median TCR of 3.1. 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 Illnesses Fatalities
2022 7.5 7.5 3 0 0
2021 5.4 5.4 3 0 0
2020 4.1 4.1 2 0 0
2019 2.0 2.0 1 0 0
2018 10.5 10.5 5 0 0
2017 8.7 8.7 4 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

423320 · CA · Newcastle

158 Mason's materials merchant wholesalers employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 7 employers in Newcastle, 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 Midwest Tile Marble & Granite 6.4 TCR
NAICS-TCR Surface Art Inc 6.4 TCR
NAICS-TCR Virginia Tile Co. Grand Rapids 6.4 TCR
NAICS-TCR SiteOne Landscape Supply #1069 6.2 TCR
STATE-SIZE Firebaugh 44 FTE
STATE-SIZE Boutonnet Farms 44 FTE
STATE-SIZE Central Coast Vineyards 44 FTE
STATE-SIZE FESTIVAL FARMS 44 FTE
CITY-NEAR Ace Tree Enterprise Inc. 312 FTE
CITY-NEAR Jim Dobbas, Inc. 35 FTE
CITY-NEAR NCB-Main 31 FTE
CITY-NEAR A&A Stepping Stone #1095 30 FTE
NAT-TCR Big Y Foods, Inc. Tolland 6.4 TCR
NAT-TCR 5472-NAI-0035-0035-02737 6.4 TCR
NAT-TCR Bornstein Seafoods Astoria 6.4 TCR
NAT-TCR 2253-H4838 6.4 TCR
NAT-SIZE Elizabeth Carbide Components 44 FTE
NAT-SIZE HG693 44 FTE
NAT-SIZE HG768 44 FTE
NAT-SIZE Gracia Hospice 44 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: 2022, 2021, 2020, 2019, 2018, 2017. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.