Roofing contractors · California

Pro-Prept. Inc.

San Diego, CA · ~21 workers · 4 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
8.5
Avg TCR
2.8
Industry avg
1
Fatality
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The verdict

Pro-Prept. Inc. runs at 302% of its industry's injury rate - far more dangerous than the typical Roofing contractors workplace, earning a grade F.

Pro-Prept. Inc.: 8.5 TCR = 302% of Roofing contractors BLS 2.8 · 4y Form 300A (see methodology below)

Pro-Prept. Inc. safety composite

Pro-Prept. Inc. scores strongest on total case rate (tcr) (safer than 17% of same-industry peers) and weakest on fatalities (safer than 2%), 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

12/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 8.46 per 100 workers

Safer than 17% of industry peers

DART rate
F 6.99 per 100 workers

Safer than 14% of industry peers

Fatalities
F 1

Safer than 2% 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

Pro-Prept. Inc.: 10.8 → 14.0 TCR

Peak year 2022 @ 14.0 TCR · DART/TCR 0.83× in 2022

Pro-Prept. Inc.'s TCR rose 3.1 from 10.8 in 2019 to 14.0 in 2022. In 2022, DART was 0.83× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238160 · San Diego, CA ABOVE-IND · SMALL

Grade F · TCR 8.5 · 302% of ind

  • DART 7.0 DART
  • RANK #108/149
  • PHOTO John A. Dalsin & Son…
  • BOOK 4y book
  • INJ 5 inj
  • SIZE ~21 FTE

Nearest TCR peer: John A. Dalsin & Son, Inc. (0.0 TCR gap)

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

Pro-Prept. Inc. in the TCR neighbourhood

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

TCR

What this shows Pro-Prept. Inc. averages 8.5 TCR (302% of the Roofing contractors BLS benchmark).

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

Pro-Prept. Inc. TCR series: 2019=10.8 · 2020=4.4 · 2021=4.6 · 2022=14 · BLS 2.8

Where Pro-Prept. Inc. falls in its industry

1,723 Roofing contractors establishments

Safer than 17% 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 #108 safest of 149 Roofing contractors employers in California.

Pro-Prept. Inc. (21 employees, TCR 8.5) 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 Pro-Prept. Inc.
Pro-Prept. Inc. (21 employees, TCR 8.5) among 29 same-industry peers, split at the industry median of 44 employees and a TCR of 3.7

Pro-Prept. Inc. has fewer employees than the Roofing contractors median and a higher 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
2022 14.0 7.0 2 0 1
2021 4.6 0.0 1 0 0
2020 4.4 4.4 1 0 0
2019 10.8 10.8 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238160 · CA · San Diego

1,723 Roofing contractors employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 1,979 employers in San Diego, 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 John A. Dalsin & Son, Inc. 8.5 TCR
NAICS-TCR Superior Roofing, Inc. 8.5 TCR
NAICS-TCR Hampton Office 8.4 TCR
NAICS-TCR Progressive Roofing Inc. 8.4 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 UC San Diego Health 9,310 FTE
CITY-NEAR General Atomics 8,108 FTE
CITY-NEAR Health Human Services Agency 6,080 FTE
CITY-NEAR National University 4,955 FTE
NAT-TCR Municipal Pipe Tool Company, LLC 8.5 TCR
NAT-TCR Okoboji Arrowwood 8.5 TCR
NAT-TCR St. Joseph Center for Outpatient Surgery 8.5 TCR
NAT-TCR Eastland Healthcare and Rehabilitation Center 8.5 TCR
NAT-SIZE Office 21 FTE
NAT-SIZE Bedrock Flint Inc. 21 FTE
NAT-SIZE Shelton Assisted Living, LLC 21 FTE
NAT-SIZE Ratliff Metal Spinning 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: 2022, 2021, 2020, 2019. 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.