Building materials supply dealers · California

KRC Rock, Inc.

San Marcos, CA · ~46 workers · 8 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
4.5
Avg TCR
3.4
Industry avg
0
Fatalities
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The verdict

KRC Rock, Inc. runs at 134% of its industry's injury rate - more dangerous than the typical Building materials supply dealers workplace, earning a grade D.

KRC Rock, Inc.: 4.5 TCR = 134% of Building materials supply dealers BLS 3.4 · 8y Form 300A (see methodology below)

KRC Rock, Inc. safety composite

KRC Rock, Inc. scores strongest on dart rate (safer than 82% of same-industry peers) and weakest on fatalities (safer than 50%), 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

64/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 4.55 per 100 workers

Safer than 57% of industry peers

DART rate
B 0 per 100 workers

Safer than 82% of industry peers

Fatalities
D 0

Safer than 50% 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

−4.3

2017→2024

KRC Rock, Inc. injury rate improved

KRC Rock, Inc.'s TCR fell 4.3 from 4.3 in 2017 to 0.0 in 2024. Peak filing year was 2020 at 8.9 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2017=4.3 · 2018=4.0 · 2019=8.7 · 2020=8.9 · 2021=6.2 · 2022=0.0 · 2023=4.3 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 444190 · San Marcos, CA ABOVE-IND · SMALL

Grade D · TCR 4.5 · 134% of ind

  • DART 0.0 DART
  • RANK #66/159
  • PHOTO Pella Windows and Do…
  • BOOK 8y book
  • INJ 17 inj
  • SIZE ~46 FTE

Nearest TCR peer: Pella Windows and Doors Mountain West - AZ (0.0 TCR gap)

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

KRC Rock, Inc. in the TCR neighbourhood

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

TCR

What this shows KRC Rock, Inc. averages 4.5 TCR (134% of the Building materials supply dealers BLS benchmark).

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

KRC Rock, Inc. TCR series: 2017=4.3 · 2018=4 · 2019=8.7 · 2020=8.9 · 2021=6.2 · 2022=0 · 2023=4.3 · 2024=0 · BLS 3.4

Where KRC Rock, Inc. falls in its industry

1,643 Building materials supply deal establishments

Safer than 57% of graded establishments in this industry, whose median TCR is 5.2.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #66 safest of 159 Building materials supply deal employers in California.

KRC Rock, Inc. (46 employees, TCR 4.5) among 29 same-industry peers, split at the industry median of 35 employees and a TCR of 5.2 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 KRC Rock, Inc.
KRC Rock, Inc. (46 employees, TCR 4.5) among 29 same-industry peers, split at the industry median of 35 employees and a TCR of 5.2

KRC Rock, Inc. has more employees than the Building materials supply dealers median and a lower injury rate than the industry's median TCR of 5.2. 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 0.0 0.0 0 0 0
2023 4.3 4.3 2 0 0
2022 0.0 0.0 0 0 0
2021 6.2 6.2 3 0 0
2020 8.9 8.9 4 0 0
2019 8.7 8.7 4 0 0
2018 4.0 4.0 2 0 0
2017 4.3 0.0 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

444190 · CA · San Marcos

1,643 Building materials supply dealers employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 139 employers in San Marcos, 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 Pella Windows and Doors Mountain West - AZ 4.5 TCR
NAICS-TCR L&W Supply Co Inc, 7174 Redlands, CA 4.5 TCR
NAICS-TCR Bellevue Builders Schenectady & Rotterdam - 101 4.5 TCR
NAICS-TCR KEMPSVILLE BUILDING MATERIALS 475 4.5 TCR
STATE-SIZE Matteoli Brothers 46 FTE
STATE-SIZE IMR Farms-San Miguel 46 FTE
STATE-SIZE G&G Berry Farms 46 FTE
STATE-SIZE Pitigliano Farm Services, Inc. 46 FTE
CITY-NEAR Hunter Industries 967 FTE
CITY-NEAR 08180552 SAN MARCOS MEDICAL CENTER 741 FTE
CITY-NEAR CASMR - SAN MARCOS 615 FTE
CITY-NEAR SAN MARCOS (CASMR) 555 FTE
NAT-TCR Town of South Windsor - Police Department 4.5 TCR
NAT-TCR The Village at Ocotillo 4.5 TCR
NAT-TCR Eulonia Country Store, LLC 4.5 TCR
NAT-TCR 005 - Maplewood Elementary 4.5 TCR
NAT-SIZE Straub Construction Co Inc 46 FTE
NAT-SIZE Town of South Windsor - Town Hall 46 FTE
NAT-SIZE Environmental Demolition Group 46 FTE
NAT-SIZE Recovery Center 46 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.