Roofing tile, concrete, manufacturing · California

Westlake - Lathrop

Lathrop, CA · ~35 workers · 2 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
1.1
Avg TCR
3.3
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

Westlake - Lathrop runs at 35% of its industry's injury rate - far safer than the typical Roofing tile, concrete, manufacturing workplace, earning a grade A.

Westlake - Lathrop: 1.1 TCR = 35% of Roofing tile, concrete, manufacturing BLS 3.3 · 2y Form 300A (see methodology below)

Westlake - Lathrop safety composite

Westlake - Lathrop scores strongest on total case rate (tcr) (safer than 92% of same-industry peers) and weakest on dart rate (safer than 48%), 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

66/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
A 1.14 per 100 workers

Safer than 92% of industry peers

DART rate
D 2.27 per 100 workers

Safer than 48% 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%).

Rising injury rate

Westlake - Lathrop: 0.0 → 2.3 TCR

Peak year 2024 @ 2.3 TCR · DART/TCR 1.99× in 2024

Westlake - Lathrop's TCR rose 2.3 from 0.0 in 2023 to 2.3 in 2024. In 2024, DART was 1.99× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 327390 · Lathrop, CA AT/BELOW-IND · SMALL

Grade A · TCR 1.1 · 35% of ind

  • DART 2.3 DART
  • RANK #12/53
  • PHOTO IPG - Pleasanton
  • BOOK 2y book
  • INJ 1 inj
  • SIZE ~35 FTE

Nearest TCR peer: IPG - Pleasanton (0.0 TCR gap)

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

Westlake - Lathrop in the TCR neighbourhood

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

TCR

What this shows Westlake - Lathrop averages 1.1 TCR (35% of the Roofing tile, concrete, manufacturing BLS benchmark).

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

Westlake - Lathrop TCR series: 2023=0 · 2024=2.3 · BLS 3.3

Where Westlake - Lathrop falls in its industry

790 Roofing tile, concrete, manufa establishments

Safer than 92% of graded establishments in this industry, whose median TCR is 4.6.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #12 safest of 53 Roofing tile, concrete, manufa employers in California.

Westlake - Lathrop (35 employees, TCR 1.1) among 29 same-industry peers, split at the industry median of 52 employees and a TCR of 4.6 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 0100200300400 05101520 Average employees Total Case Rate Westlake - Lathrop
Westlake - Lathrop (35 employees, TCR 1.1) among 29 same-industry peers, split at the industry median of 52 employees and a TCR of 4.6

Westlake - Lathrop has fewer employees than the Roofing tile, concrete, manufacturing median and a lower injury rate than the industry's median TCR of 4.6. 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 2.3 2.3 1 0 0
2023 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

327390 · CA · Lathrop

790 Roofing tile, concrete, manufacturing employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 77 employers in Lathrop, 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 IPG - Pleasanton 1.1 TCR
NAICS-TCR QUIKRETE - EWR 1.1 TCR
NAICS-TCR Superior Concrete Products, LLC 1.1 TCR
NAICS-TCR QUIKRETE - CVG 1.1 TCR
STATE-SIZE CONSTRUCTION FABRICATION/CARPENTRY/PAINTING/ELECTRIC/PIPE 35 FTE
STATE-SIZE Meek Ranches LLC 35 FTE
STATE-SIZE Dresick Farms, Inc. - Farm 35 FTE
STATE-SIZE Wolfsen Inc 35 FTE
CITY-NEAR CALAH - LATHROP HUB 1,624 FTE
CITY-NEAR LATHROP HUB (CALAH) 970 FTE
CITY-NEAR NA-US-CA-Lathrop-Harlan Rd-Manufacturing 518 FTE
CITY-NEAR 2802_5346 516 FTE
NAT-TCR RLCC Elementary 1.1 TCR
NAT-TCR John Deere Kernersville 1.1 TCR
NAT-TCR Children's Hospital of Philadelphia 1.1 TCR
NAT-TCR RAM Construction General Contractors LLC 1.1 TCR
NAT-SIZE Center of HOPE of Myrtle Beach 35 FTE
NAT-SIZE ABF Freight 140 35 FTE
NAT-SIZE ABF Freight 072 35 FTE
NAT-SIZE ABF Freight 033 35 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. 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.