Retaining wall, masonry (i.e., block, brick, stone), construction · California

Industrial Masonry, Inc.

Norco, CA · ~70 workers · 2 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
4.8
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Industrial Masonry, Inc. runs at 172% of its industry's injury rate - more dangerous than the typical Retaining wall, masonry (i.e., block, brick, stone), construction workplace, earning a grade D.

Industrial Masonry, Inc.: 4.8 TCR = 172% of Retaining wall, masonry (i.e., block, brick, stone), construction BLS 2.8 · 2y Form 300A (see methodology below)

Industrial Masonry, Inc. safety composite

Industrial Masonry, Inc. scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 21%), 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

37/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 4.81 per 100 workers

Safer than 41% of industry peers

DART rate
F 4.81 per 100 workers

Safer than 21% 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

−433.8

2020→2023

Industrial Masonry, Inc. injury rate improved

Industrial Masonry, Inc.'s TCR fell 433.8 from 438.6 in 2020 to 4.8 in 2023. Peak filing year was 2020 at 438.6 TCR. In 2023, DART was 1× this establishment's average TCR (severity share of cases).

2020=438.6 · 2023=4.8

OSHA ITA Form 300A scorecard

Establishment book 238140 · Norco, CA ABOVE-IND · SMALL

Grade D · TCR 4.8 · 172% of ind

  • DART 4.8 DART
  • RANK #33/77
  • PHOTO Kenyon Plastering of…
  • BOOK 2y book
  • INJ 2 inj
  • SIZE ~70 FTE

Nearest TCR peer: Kenyon Plastering of California, Inc. (0.0 TCR gap)

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

Industrial Masonry, Inc. in the TCR neighbourhood

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

TCR

What this shows Industrial Masonry, Inc. averages 4.8 TCR (172% of the Retaining wall, masonry (i.e., block, brick, stone), construction BLS benchmark).

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

Industrial Masonry, Inc. TCR series: 2020=438.6 · 2023=4.8 · BLS 2.8

Where Industrial Masonry, Inc. falls in its industry

703 Retaining wall, masonry (i.e., establishments

Safer than 41% of graded establishments in this industry, whose median TCR is 3.9.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #33 safest of 77 Retaining wall, masonry (i.e., employers in California.

Industrial Masonry, Inc. (70 employees, TCR 4.8) among 29 same-industry peers, split at the industry median of 52 employees and a TCR of 3.9 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 0200400600 0246810 Average employees Total Case Rate Industrial Masonry, Inc.
Industrial Masonry, Inc. (70 employees, TCR 4.8) among 29 same-industry peers, split at the industry median of 52 employees and a TCR of 3.9

Industrial Masonry, Inc. has more employees than the Retaining wall, masonry (i.e., block, br median and a higher injury rate than the industry's median TCR of 3.9. 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
2023 4.8 4.8 1 0 0
2020 438.6 0.0 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238140 · CA · Norco

703 Retaining wall, masonry (i.e., block, brick, stone), construction employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 46 employers in Norco, 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 Kenyon Plastering of California, Inc. 4.8 TCR
NAICS-TCR Frost Building Maintenance, Inc 4.8 TCR
NAICS-TCR SARGON 4.8 TCR
NAICS-TCR Summit Masonry and Stoneworks Inc 4.9 TCR
STATE-SIZE Heritage Land Company 70 FTE
STATE-SIZE Ceballos Ag Services, Inc. 70 FTE
STATE-SIZE NRTHN 70 FTE
STATE-SIZE EW Merritt Farms 70 FTE
CITY-NEAR California Rehabilitation Center 1,174 FTE
CITY-NEAR Guy Yocom Construction, Inc. 1,172 FTE
CITY-NEAR Ono-034 909 FTE
CITY-NEAR Better Nutritional Norco Campus 615 FTE
NAT-TCR CentraCare Health Plaza 4.8 TCR
NAT-TCR HO-RO Trucking Co., Inc. 4.8 TCR
NAT-TCR Genesis Senior Living Center 4.8 TCR
NAT-TCR Linc 0002 (Flint - M) 4.8 TCR
NAT-SIZE International Aireko CONSTRUCTION MANAGEMENT LLC 70 FTE
NAT-SIZE Winpak Control Group Inc - 500 Walnut Street 70 FTE
NAT-SIZE St. Luke's Administrative Offices 70 FTE
NAT-SIZE Times Supermarket Liliha 70 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: 2023, 2020. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.