Agricultural products trucking, local · North Dakota

Wolla Oilfield Services

Williston, ND · ~25 workers · 6 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
0.2
Avg TCR
4.5
Industry avg
0
Fatalities
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The verdict

Wolla Oilfield Services runs at 5% of its industry's injury rate - far safer than the typical Agricultural products trucking, local workplace, earning a grade A.

Wolla Oilfield Services: 0.2 TCR = 5% of Agricultural products trucking, local BLS 4.5 · 6y Form 300A (see methodology below)

Wolla Oilfield Services safety composite

Wolla Oilfield Services scores strongest on total case rate (tcr) (safer than 100% of same-industry peers) and weakest on fatalities (safer than 53%), 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).

B

83/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
A 0.21 per 100 workers

Safer than 100% of industry peers

DART rate
B 0 per 100 workers

Safer than 84% of industry peers

Fatalities
D 0

Safer than 53% 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

−1.3

2019→2024

Wolla Oilfield Services injury rate improved

Wolla Oilfield Services's TCR fell 1.3 from 1.3 in 2019 to 0.0 in 2024. Peak filing year was 2019 at 1.3 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2019=1.3 · 2020=0.0 · 2021=0.0 · 2022=0.0 · 2023=0.0 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 484220 · Williston, ND AT/BELOW-IND · SMALL

Grade A · TCR 0.2 · 5% of ind

  • DART 0.0 DART
  • RANK #2/14
  • PHOTO 010 Corporate Griffi…
  • BOOK 6y book
  • INJ 1 inj
  • SIZE ~25 FTE

Nearest TCR peer: 010 Corporate Griffith IN (0.0 TCR gap)

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

Wolla Oilfield Services in the TCR neighbourhood

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

TCR

What this shows Wolla Oilfield Services averages 0.2 TCR (5% of the Agricultural products trucking, local BLS benchmark).

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

Wolla Oilfield Services TCR series: 2019=1.3 · 2020=0 · 2021=0 · 2022=0 · 2023=0 · 2024=0 · BLS 4.5

Where Wolla Oilfield Services falls in its industry

1,130 Agricultural products trucking establishments

Safer than 100% of graded establishments in this industry, whose median TCR is 3.4.

More dangerous than peersSafer than peers

Narrower to North Dakota alone (the establishments it most directly competes with for workers and contracts): ranked #2 safest of 14 Agricultural products trucking employers in North Dakota.

Wolla Oilfield Services (25 employees, TCR 0.2) among 29 same-industry peers, split at the industry median of 42 employees and a TCR of 3.4 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 Wolla Oilfield Services
Wolla Oilfield Services (25 employees, TCR 0.2) among 29 same-industry peers, split at the industry median of 42 employees and a TCR of 3.4

Wolla Oilfield Services has fewer employees than the Agricultural products trucking, local median and a lower injury rate than the industry's median TCR of 3.4. 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 0.0 0.0 0 0 0
2020 0.0 0.0 0 0 0
2019 1.3 1.3 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

484220 · ND · Williston

1,130 Agricultural products trucking, local employers nationwide with a credible TCR · 1,696 rated employers in North Dakota with headcount on file · 110 employers in Williston, ND · 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 010 Corporate Griffith IN 0.2 TCR
NAICS-TCR Kent & Smith Holdings, LLC 0.2 TCR
NAICS-TCR Dale Brown, Inc. dba Brown Transportation 0.1 TCR
NAICS-TCR Wolla Trucking 0.1 TCR
STATE-SIZE Basin Safety Consulting Corporation 25 FTE
STATE-SIZE Ashtabula 25 FTE
STATE-SIZE Roers West LLC 25 FTE
STATE-SIZE Apache - Marathon Petroleum 25 FTE
CITY-NEAR 0072-HES Williston 488 FTE
CITY-NEAR 1565 455 FTE
CITY-NEAR WM 1565 441 FTE
CITY-NEAR CHI St. Alexius Health Williston 424 FTE
NAT-TCR South County Service Center 0.2 TCR
NAT-TCR DDL-MN 0.2 TCR
NAT-TCR NC_Charlotte_8336 Forest Point Blvd_NC017900 0.2 TCR
NAT-TCR Archer Heights 0.2 TCR
NAT-SIZE Resort Vacations 5 25 FTE
NAT-SIZE PSC Construction 25 FTE
NAT-SIZE Chickasaw County Courthouse 25 FTE
NAT-SIZE Eversource - Marshfield 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. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.