Cellular phone tower construction · California

L.D. Strobel Co., Inc.

Concord, CA · ~34 workers · 7 years of OSHA Injury Tracking Application data.

B
Good Safety Record
1.5
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

L.D. Strobel Co., Inc. runs at 54% of its industry's injury rate - safer than the typical Cellular phone tower construction workplace, earning a grade B.

L.D. Strobel Co., Inc.: 1.5 TCR = 54% of Cellular phone tower construction BLS 2.8 · 7y Form 300A (see methodology below)

L.D. Strobel Co., Inc. safety composite

L.D. Strobel Co., Inc. scores strongest on dart rate (safer than 78% 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

64/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 1.52 per 100 workers

Safer than 60% of industry peers

DART rate
B 0 per 100 workers

Safer than 78% 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%).

TCR Δ

−2.6

2017→2024

L.D. Strobel Co., Inc. injury rate improved

L.D. Strobel Co., Inc.'s TCR fell 2.6 from 2.6 in 2017 to 0.0 in 2024. Peak filing year was 2021 at 5.6 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2017=2.6 · 2018=0.0 · 2019=2.5 · 2021=5.6 · 2022=0.0 · 2023=0.0 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 237130 · Concord, CA AT/BELOW-IND · SMALL

Grade B · TCR 1.5 · 54% of ind

  • DART 0.0 DART
  • RANK #55/147
  • PHOTO TESSCO Andrews
  • BOOK 7y book
  • INJ 3 inj
  • SIZE ~34 FTE

Nearest TCR peer: TESSCO Andrews (0.0 TCR gap)

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L.D. Strobel Co., Inc. in the TCR neighbourhood

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

TCR

What this shows L.D. Strobel Co., Inc. averages 1.5 TCR (54% of the Cellular phone tower construction BLS benchmark).

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

L.D. Strobel Co., Inc. TCR series: 2017=2.6 · 2018=0 · 2019=2.5 · 2021=5.6 · 2022=0 · 2023=0 · 2024=0 · BLS 2.8

Where L.D. Strobel Co., Inc. falls in its industry

1,605 Cellular phone tower construct establishments

Safer than 60% of graded establishments in this industry, whose median TCR is 2.0.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #55 safest of 147 Cellular phone tower construct employers in California.

L.D. Strobel Co., Inc. (34 employees, TCR 1.5) among 29 same-industry peers, split at the industry median of 74 employees and a TCR of 2.0 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 05101520 Average employees Total Case Rate L.D. Strobel Co., Inc.
L.D. Strobel Co., Inc. (34 employees, TCR 1.5) among 29 same-industry peers, split at the industry median of 74 employees and a TCR of 2.0

L.D. Strobel Co., Inc. has fewer employees than the Cellular phone tower construction median and a lower injury rate than the industry's median TCR of 2.0. 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 0.0 0.0 0 0 0
2022 0.0 0.0 0 0 0
2021 5.6 5.6 1 1 0
2019 2.5 0.0 1 0 0
2018 0.0 0.0 0 0 0
2017 2.6 2.6 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

237130 · CA · Concord

1,605 Cellular phone tower construction employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 201 employers in Concord, 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 TESSCO Andrews 1.5 TCR
NAICS-TCR SAI Group NH 1.5 TCR
NAICS-TCR Michels Power- Brownsville 1.5 TCR
NAICS-TCR Anderson & Wood Construction Co., Inc. 1.5 TCR
STATE-SIZE Ardent Mills Yuba City 34 FTE
STATE-SIZE Filice Farms, L.P. 34 FTE
STATE-SIZE Alexander Ranch, Inc. 34 FTE
STATE-SIZE MFarms 34 FTE
CITY-NEAR CA-01 4,525 FTE
CITY-NEAR California Department of Transportation Facility 403 2,891 FTE
CITY-NEAR AX9 Security Inc 1,725 FTE
CITY-NEAR Gonsalves and Santucci 1,551 FTE
NAT-TCR Oklahoma Jobsites 1.5 TCR
NAT-TCR WFS - NETL Pitt 1.5 TCR
NAT-TCR Tecta America West Florida, LLC 1.5 TCR
NAT-TCR Allegiance Hospice Care of Northeast Louisiana, LLC 1.5 TCR
NAT-SIZE Salem Wood Products II LLC 34 FTE
NAT-SIZE TLG-Florence 34 FTE
NAT-SIZE TFC-Triad Foot Clinic 34 FTE
NAT-SIZE Boekel Industries, Inc 34 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, 2019, 2018, 2017. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.