Concrete sawing and drilling (except demolition) · California

Ayala Boring Inc.

Fontana, CA · ~21 workers · 5 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
7.0
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Ayala Boring Inc. runs at 249% of its industry's injury rate - far more dangerous than the typical Concrete sawing and drilling (except demolition) workplace, earning a grade F.

Ayala Boring Inc.: 7.0 TCR = 249% of Concrete sawing and drilling (except demolition) BLS 2.8 · 5y Form 300A (see methodology below)

Ayala Boring Inc. safety composite

Ayala Boring Inc. scores strongest on dart rate (safer than 73% of same-industry peers) and weakest on total case rate (tcr) (safer than 12%), 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).

D

43/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 6.97 per 100 workers

Safer than 12% of industry peers

DART rate
C 0 per 100 workers

Safer than 73% 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

−6.2

2017→2021

Ayala Boring Inc. injury rate improved

Ayala Boring Inc.'s TCR fell 6.2 from 6.2 in 2017 to 0.0 in 2021. Peak filing year was 2019 at 20.2 TCR. In 2021, DART was 0× this establishment's average TCR (severity share of cases).

2017=6.2 · 2018=8.5 · 2019=20.2 · 2020=0.0 · 2021=0.0

OSHA ITA Form 300A scorecard

Establishment book 238990 · Fontana, CA ABOVE-IND · SMALL

Grade F · TCR 7.0 · 249% of ind

  • DART 0.0 DART
  • RANK #136/171
  • PHOTO Diamond Asphalt
  • BOOK 5y book
  • INJ 5 inj
  • SIZE ~21 FTE

Nearest TCR peer: Diamond Asphalt (0.0 TCR gap)

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

Ayala Boring Inc. in the TCR neighbourhood

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

TCR

What this shows Ayala Boring Inc. averages 7.0 TCR (249% of the Concrete sawing and drilling (except demolition) BLS benchmark).

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

Ayala Boring Inc. TCR series: 2017=6.2 · 2018=8.5 · 2019=20.2 · 2020=0 · 2021=0 · BLS 2.8

Where Ayala Boring Inc. falls in its industry

1,634 Concrete sawing and drilling ( establishments

Safer than 12% of graded establishments in this industry, whose median TCR is 1.9.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #136 safest of 171 Concrete sawing and drilling ( employers in California.

Ayala Boring Inc. (21 employees, TCR 7.0) among 29 same-industry peers, split at the industry median of 52 employees and a TCR of 1.9 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 05001,0001,500 0246810 Average employees Total Case Rate Ayala Boring Inc.
Ayala Boring Inc. (21 employees, TCR 7.0) among 29 same-industry peers, split at the industry median of 52 employees and a TCR of 1.9

Ayala Boring Inc. has fewer employees than the Concrete sawing and drilling (except dem median and a higher injury rate than the industry's median TCR of 1.9. 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
2021 0.0 0.0 0 0 0
2020 0.0 0.0 0 0 0
2019 20.2 20.2 3 0 0
2018 8.5 8.5 1 0 0
2017 6.2 0.0 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238990 · CA · Fontana

1,634 Concrete sawing and drilling (except demolition) employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 363 employers in Fontana, 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 Diamond Asphalt 7.0 TCR
NAICS-TCR Burton Construction LLC 7.0 TCR
NAICS-TCR Norcal Pool Construction Inc DBA South Bay Gunite 6.9 TCR
NAICS-TCR Onalaska, WI 6.9 TCR
STATE-SIZE Poso Ridge,LLC 21 FTE
STATE-SIZE Fonseca & Fonseca, Inc. 21 FTE
STATE-SIZE TELESIS ONION CO., INC. 21 FTE
STATE-SIZE Mayflower Farms Inc 21 FTE
CITY-NEAR North America Fulfillment Centers (FCs) : LAX9 2,844 FTE
CITY-NEAR Amazon.com Services LLC - LAX9 2,645 FTE
CITY-NEAR 08880314 FONTANA MEDICAL CENTER 2,635 FTE
CITY-NEAR 2032-08180314 2,236 FTE
NAT-TCR Jessamine Medical and Diagnostic Center 7.0 TCR
NAT-TCR Solvents & Petroleum Service, Inc. 7.0 TCR
NAT-TCR 42131g - Londonderry Dc 7.0 TCR
NAT-TCR HH-Queens CSC 7.0 TCR
NAT-SIZE Founders Brewing - 900 Hynes 21 FTE
NAT-SIZE Berlin Park And Recreation 21 FTE
NAT-SIZE 78th & Dodge Goodwill Retail Store 21 FTE
NAT-SIZE Fremont Goodwill Retail Store 21 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: 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.