Crude oil refining · Oklahoma

HollyFrontier Tulsa Refining LLC

Name: HollyFrontier Tulsa Refining LLC Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Tulsa, OK · ~619 workers · 5 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

A
Excellent Safety Record: 0.3
Avg TCR: 3.3
Industry avg: 0
Fatalities

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The verdict

HollyFrontier Tulsa Refining LLC runs at 8% of its industry's injury rate - far safer than the typical Crude oil refining workplace, earning a grade A.

HollyFrontier Tulsa Refining LLC: 0.3 TCR = 8% of Crude oil refining BLS 3.3 · 5y Form 300A (see methodology below)

HollyFrontier Tulsa Refining LLC safety composite

HollyFrontier Tulsa Refining LLC scores strongest on total case rate (tcr) (safer than 74% of same-industry peers) and weakest on dart rate (safer than 51%), 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).

60/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): C 0.26 per 100 workers

Safer than 74% of industry peers
DART rate: D 0.14 per 100 workers

Safer than 51% 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%).

HollyFrontier Tulsa Refining LLC held a steady TCR band

HollyFrontier Tulsa Refining LLC's TCR held near 0.2 from 0.4 in 2016 to 0.1 in 2020. Peak filing year was 2016 at 0.4 TCR. In 2020, DART was 0.54× this establishment's average TCR (severity share of cases).

2016=0.4 · 2017=0.3 · 2018=0.3 · 2019=0.3 · 2020=0.1

OSHA ITA Form 300A scorecard

Establishment book 324110 · Tulsa, OK AT/BELOW-IND · MID

Grade A · TCR 0.3 · 8% of ind

DART 0.1 DART
RANK #4/7
PHOTO Valero McKee
BOOK 5y book
INJ 10 inj
SIZE ~619 FTE

Nearest TCR peer: Valero McKee (0.0 TCR gap)

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0.3
Valero McKee

0.3
Bayway Refiner

0.3
Anacortes Refi

0.3
Delek-Krotz Sp

0.3

What this shows HollyFrontier Tulsa Refining LLC averages 0.3 TCR (8% of the Crude oil refining BLS benchmark).

HollyFrontier Tulsa Refining LLC TCR series: 2016=0.4 · 2017=0.3 · 2018=0.3 · 2019=0.3 · 2020=0.1 · BLS 3.3

Where HollyFrontier Tulsa Refining LLC falls in its industry

198 Crude oil refining establishments

Safer than 74% of graded establishments in this industry, whose median TCR is 0.5.

Grade A

More dangerous than peersSafer than peers

Narrower to Oklahoma alone (the establishments it most directly competes with for workers and contracts): ranked #4 safest of 7 Crude oil refining employers in Oklahoma.

HollyFrontier Tulsa Refining LLC (619 employees, TCR 0.3) among 29 same-industry peers, split at the industry median of 376 employees and a TCR of 0.5

HollyFrontier Tulsa Refining LLC has more employees than the Crude oil refining median and a lower injury rate than the industry's median TCR of 0.5. 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
2020	0.1	0.1	1
2019	0.3	0.1	2
2018	0.3	0.3	2
2017	0.3	0.3	2
2016	0.4	0.3	3

OSHA ITA peer cross-reference

Establishment peer ledger

324110 · OK · Tulsa

198 Crude oil refining employers nationwide with a credible TCR · 5,320 rated employers in Oklahoma with headcount on file · 1,004 employers in Tulsa, OK · 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	Valero McKee	SUNRAY, TX	0.3 TCR
NAICS-TCR	Bayway Refinery	LINDEN, NJ	0.3 TCR
NAICS-TCR	Anacortes Refinery	ANACORTES, WA	0.3 TCR
NAICS-TCR	Delek-Krotz Springs Refinery	KROTZ SPRINGS, LA	0.3 TCR
STATE-SIZE	Kimray Inc.	OKLAHOMA CITY	616 FTE
STATE-SIZE	Thru Tubing Solutions	NEWCASTLEY	615 FTE
STATE-SIZE	Heavener Processing Plant	HEAVENER	623 FTE
STATE-SIZE	MERCY HOSPITAL ADA	ADA	623 FTE
CITY-NEAR	Saint Francis Hospital, Inc.	Tulsa	6,668 FTE
CITY-NEAR	H&P IDC - U.S. Land	Tulsa	6,014 FTE
CITY-NEAR	TUL-TULSA-MAINTENANCE BASE	Tulsa	5,184 FTE
CITY-NEAR	4795-AA-TUL-TULSA-TUL-TRML	Tulsa	4,794 FTE
NAT-TCR	Oldcastle - Newnan	Newnan, GA	0.3 TCR
NAT-TCR	Blair Duron Restoration, LLC	Garner, NC	0.3 TCR
NAT-TCR	University of Toledo Physicians, LLC	Toledo, OH	0.3 TCR
NAT-TCR	Apex Pest Control, Inc	Rockledge, FL	0.3 TCR
NAT-SIZE	Illinois - I6	Kenosha, WI	619 FTE
NAT-SIZE	1855-DCWAS1	Washington, DC	619 FTE
NAT-SIZE	Jacksonville Regency	Jacksonville, FL	619 FTE
NAT-SIZE	AGCO Corporation Corporate Headquarters	Duluth, GA	619 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: 2020, 2019, 2018, 2017, 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.