Crude petroleum production · California

Diamond Well Service inc.

Bakersfield, Ca 93311, CA · ~26 workers · 2 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
3.8
Avg TCR
1.9
Industry avg
0
Fatalities
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The verdict

Diamond Well Service inc. runs at 197% of its industry's injury rate - more dangerous than the typical Crude petroleum production workplace, earning a grade D.

Diamond Well Service inc.: 3.8 TCR = 197% of Crude petroleum production BLS 1.9 · 2y Form 300A (see methodology below)

Diamond Well Service inc. safety composite

Diamond Well Service inc. scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (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

17/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 3.75 per 100 workers

Safer than 10% of industry peers

DART rate
F 7.51 per 100 workers

Safer than 2% 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

Diamond Well Service inc.: 0.0 → 7.5 TCR

Peak year 2024 @ 7.5 TCR · DART/TCR 2× in 2024

Diamond Well Service inc.'s TCR rose 7.5 from 0.0 in 2023 to 7.5 in 2024. In 2024, DART was 2× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 211111 · Bakersfield, Ca 93311, CA ABOVE-IND · SMALL

Grade D · TCR 3.8 · 197% of ind

  • DART 7.5 DART
  • RANK #14/16
  • PHOTO Watonga
  • BOOK 2y book
  • INJ 2 inj
  • SIZE ~26 FTE

Nearest TCR peer: Watonga (0.1 TCR gap)

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

Diamond Well Service inc. in the TCR neighbourhood

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

TCR

What this shows Diamond Well Service inc. averages 3.8 TCR (197% of the Crude petroleum production BLS benchmark).

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

Diamond Well Service inc. TCR series: 2023=0 · 2024=7.5 · BLS 1.9

Where Diamond Well Service inc. falls in its industry

225 Crude petroleum production establishments

Safer than 10% of graded establishments in this industry, whose median TCR is 0.9.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #14 safest of 16 Crude petroleum production employers in California.

Diamond Well Service inc. (26 employees, TCR 3.8) among 29 same-industry peers, split at the industry median of 150 employees and a TCR of 0.9 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 05001,0001,500 01234 Average employees Total Case Rate Diamond Well Service inc.
Diamond Well Service inc. (26 employees, TCR 3.8) among 29 same-industry peers, split at the industry median of 150 employees and a TCR of 0.9

Diamond Well Service inc. has fewer employees than the Crude petroleum production median and a higher injury rate than the industry's median TCR of 0.9. 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 7.5 7.5 2 0 0
2023 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

211111 · CA · Bakersfield, Ca 93311

225 Crude petroleum production employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 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 Watonga 3.8 TCR
NAICS-TCR American Warrior, Inc 3.7 TCR
NAICS-TCR Delaware South 3.9 TCR
NAICS-TCR Pacific Coast Energy Company, LP 3.9 TCR
STATE-SIZE HAULING & TRAILER SHOP 26 FTE
STATE-SIZE Seasholtz Co., LLC 26 FTE
STATE-SIZE Redwood Valley Vineyards 26 FTE
STATE-SIZE North Central Coast Vineyards 26 FTE
NAT-TCR Memorial Hospital 3.8 TCR
NAT-TCR Blackstone 3.8 TCR
NAT-TCR 13 Springfield, MO 3.8 TCR
NAT-TCR ShopRite of Matamoras 3.8 TCR
NAT-SIZE D.R. Chamberlain Corporation 26 FTE
NAT-SIZE Brookings 26 FTE
NAT-SIZE STR0561 26 FTE
NAT-SIZE STR0374 26 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.