Hydraulic fracturing wells on a contract basis · North Dakota

Calfrac Well Services CORP Williston ND

Name: Calfrac Well Services CORP Williston ND Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Williston, ND · ~334 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

B
Good Safety Record: 1.1
Avg TCR: 1.9
Industry avg: 0
Fatalities

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The verdict

Calfrac Well Services CORP Williston ND runs at 55% of its industry's injury rate - safer than the typical Hydraulic fracturing wells on a contract basis workplace, earning a grade B.

Calfrac Well Services CORP Williston ND: 1.1 TCR = 55% of Hydraulic fracturing wells on a contract basis BLS 1.9 · 2y Form 300A (see methodology below)

Calfrac Well Services CORP Williston ND safety composite

Calfrac Well Services CORP Williston ND scores strongest on fatalities (safer than 53% of same-industry peers) and weakest on total case rate (tcr) (safer than 42%), 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).

47/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): D 1.05 per 100 workers

Safer than 42% of industry peers
DART rate: D 0.24 per 100 workers

Safer than 48% 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%).

Calfrac Well Services CORP Williston ND held a steady TCR band

Calfrac Well Services CORP Williston ND's TCR held near 0.3 from 0.9 in 2019 to 1.2 in 2022. In 2022, DART was 0.23× this establishment's average TCR (severity share of cases).

2019=0.9 · 2022=1.2

OSHA ITA Form 300A scorecard

Establishment book 213112 · Williston, ND AT/BELOW-IND · MID

Grade B · TCR 1.1 · 55% of ind

DART 0.2 DART
RANK #13/33
PHOTO Cudd Pressure Contro…
BOOK 2y book
INJ 10 inj
SIZE ~334 FTE

Nearest TCR peer: Cudd Pressure Control, Inc. (0.0 TCR gap)

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

This site

1.1
Cudd Pressure

1.1
Tucker Energy

1.1
Ironclad

1.1
DC POWER TONG

1

What this shows Calfrac Well Services CORP Williston ND averages 1.1 TCR (55% of the Hydraulic fracturing wells on a contract basis BLS benchmark).

Calfrac Well Services CORP Williston ND TCR series: 2019=0.9 · 2022=1.2 · BLS 1.9

Where Calfrac Well Services CORP Williston ND falls in its industry

467 Hydraulic fracturing wells on establishments

Safer than 42% of graded establishments in this industry, whose median TCR is 0.9.

Grade B

More dangerous than peersSafer than peers

Narrower to North Dakota alone (the establishments it most directly competes with for workers and contracts): ranked #13 safest of 33 Hydraulic fracturing wells on employers in North Dakota.

Calfrac Well Services CORP Williston ND (334 employees, TCR 1.1) among 29 same-industry peers, split at the industry median of 122 employees and a TCR of 0.9

Calfrac Well Services CORP Williston ND has more employees than the Hydraulic fracturing wells on a contract 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
2022	1.2	0.2	5	0	0
2019	0.9	0.7	5	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

213112 · ND · Williston

467 Hydraulic fracturing wells on a contract basis 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	Place	Metric
NAICS-TCR	Cudd Pressure Control, Inc.	NEWCASTLE, OK	1.1 TCR
NAICS-TCR	Tucker Energy Services Inc.	MCALESTER, OK	1.1 TCR
NAICS-TCR	Ironclad	HOUSTON, TX	1.1 TCR
NAICS-TCR	DC POWER TONG LLC	WILLISTON, ND	1.0 TCR
STATE-SIZE	WM 1567	DICKINSON	335 FTE
STATE-SIZE	33030001-330301 MERCY MEDICAL CENTER WILLISTON DBA CHI M	WILLISTON	333 FTE
STATE-SIZE	0061 - Fargo	FARGO	336 FTE
STATE-SIZE	NDFAR - FARGO	FARGO	336 FTE
CITY-NEAR	0072-HES Williston	Williston	488 FTE
CITY-NEAR	1565	Williston	455 FTE
CITY-NEAR	WM 1565	Williston	441 FTE
CITY-NEAR	CHI St. Alexius Health Williston	Williston	424 FTE
NAT-TCR	Bloomington Metro Office Bldg	Bloomington, MN	1.1 TCR
NAT-TCR	Levy Environmental Services Company - Fulton	Delta, OH	1.1 TCR
NAT-TCR	Urban Engineers Inc., Mechanicsburg, PA	Mechanicsburg, PA	1.1 TCR
NAT-TCR	PeopleCare LLC	Aurora, CO	1.1 TCR
NAT-SIZE	0441 - Palm Desert Ca Whse	Palm Desert, CA	334 FTE
NAT-SIZE	Bowling Green	Bowling Green, MO	334 FTE
NAT-SIZE	Bay Valley Foods	Faison, NC	334 FTE
NAT-SIZE	Bhri Corporate	Fort Wayne, IN	334 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: 2022, 2019. 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.