Aqueduct construction · California

Conco-West, Inc.

Manteca, CA · ~25 workers · 8 years of OSHA Injury Tracking Application data.

B
Good Safety Record
1.7
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Conco-West, Inc. runs at 59% of its industry's injury rate - safer than the typical Aqueduct construction workplace, earning a grade B.

Conco-West, Inc.: 1.7 TCR = 59% of Aqueduct construction BLS 2.8 · 8y Form 300A (see methodology below)

Conco-West, Inc. safety composite

Conco-West, Inc. scores strongest on dart rate (safer than 79% of same-industry peers) and weakest on fatalities (safer than 52%), 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

70/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 1.66 per 100 workers

Safer than 74% of industry peers

DART rate
B 0 per 100 workers

Safer than 79% of industry peers

Fatalities
D 0

Safer than 52% 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%).

Conco-West, Inc. held a steady TCR band

Conco-West, Inc.'s TCR held near 0.0 from 0.0 in 2016 to 0.0 in 2024. Peak filing year was 2023 at 9.2 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2016=0.0 · 2018=0.0 · 2019=0.0 · 2020=0.0 · 2021=4.1 · 2022=0.0 · 2023=9.2 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 237110 · Manteca, CA AT/BELOW-IND · SMALL

Grade B · TCR 1.7 · 59% of ind

  • DART 0.0 DART
  • RANK #51/201
  • PHOTO Insituform Technolog…
  • BOOK 8y book
  • INJ 3 inj
  • SIZE ~25 FTE

Nearest TCR peer: Insituform Technologies LLC - Chesterfield (0.0 TCR gap)

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

Conco-West, Inc. in the TCR neighbourhood

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

TCR

What this shows Conco-West, Inc. averages 1.7 TCR (59% of the Aqueduct construction BLS benchmark).

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

Conco-West, Inc. TCR series: 2016=0 · 2018=0 · 2019=0 · 2020=0 · 2021=4.1 · 2022=0 · 2023=9.2 · 2024=0 · BLS 2.8

Where Conco-West, Inc. falls in its industry

1,614 Aqueduct construction establishments

Safer than 74% of graded establishments in this industry, whose median TCR is 3.0.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #51 safest of 201 Aqueduct construction employers in California.

Conco-West, Inc. (25 employees, TCR 1.7) among 29 same-industry peers, split at the industry median of 54 employees and a TCR of 3.0 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 0100200300400500 051015 Average employees Total Case Rate Conco-West, Inc.
Conco-West, Inc. (25 employees, TCR 1.7) among 29 same-industry peers, split at the industry median of 54 employees and a TCR of 3.0

Conco-West, Inc. has fewer employees than the Aqueduct construction median and a lower injury rate than the industry's median TCR of 3.0. 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 9.2 4.6 2 0 0
2022 0.0 0.0 0 0 0
2021 4.1 4.1 1 0 0
2020 0.0 0.0 0 0 0
2019 0.0 0.0 0 0 0
2018 0.0 0.0 0 0 0
2016 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

237110 · CA · Manteca

1,614 Aqueduct construction employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 118 employers in Manteca, 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 Insituform Technologies LLC - Chesterfield 1.7 TCR
NAICS-TCR Fritcher Construction Services 1.7 TCR
NAICS-TCR RSH Construction 1.7 TCR
NAICS-TCR Moffat Pipe, Inc. 1.7 TCR
STATE-SIZE Conservation Farms Ranches 25 FTE
STATE-SIZE GM Ag Services, Inc. 25 FTE
STATE-SIZE Farm Shop 25 FTE
STATE-SIZE Dougherty Brothers 25 FTE
CITY-NEAR Manteca Ops Center 1,489 FTE
CITY-NEAR ClearPath Workforce Managment 971 FTE
CITY-NEAR Ono-208 911 FTE
CITY-NEAR Ono-226 910 FTE
NAT-TCR Allison Transmission Inc 1.7 TCR
NAT-TCR Cleburne Distribution 1.7 TCR
NAT-TCR LaVergne 1.7 TCR
NAT-TCR Johnson Plaster & Vinyl, Inc. 1.7 TCR
NAT-SIZE Creative Surfaces of the Black Hills 25 FTE
NAT-SIZE Rittman 25 FTE
NAT-SIZE Missoula Horizon 25 FTE
NAT-SIZE The Willows Assisted Living 25 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, 2016. 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.