Crude oil refining · Oklahoma

Wynnewood Refinery

Wynnewood, OK · ~312 workers · 5 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
0.8
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Wynnewood Refinery runs at 25% of its industry's injury rate - far safer than the typical Crude oil refining workplace, earning a grade A.

Wynnewood Refinery: 0.8 TCR = 25% of Crude oil refining BLS 3.3 · 5y Form 300A (see methodology below)

Wynnewood Refinery safety composite

Wynnewood Refinery scores strongest on dart rate (safer than 78% of same-industry peers) and weakest on total case rate (tcr) (safer than 32%), 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).

D

53/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 0.84 per 100 workers

Safer than 32% 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

−0.9

2016→2020

Wynnewood Refinery injury rate improved

Wynnewood Refinery's TCR fell 0.9 from 0.9 in 2016 to 0.0 in 2020. Peak filing year was 2017 at 2.4 TCR. In 2020, DART was 0× this establishment's average TCR (severity share of cases).

2016=0.9 · 2017=2.4 · 2018=0.3 · 2019=0.6 · 2020=0.0

OSHA ITA Form 300A scorecard

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

Grade A · TCR 0.8 · 25% of ind

  • DART 0.0 DART
  • RANK #6/7
  • PHOTO Metro Paving Indirect
  • BOOK 5y book
  • INJ 14 inj
  • SIZE ~312 FTE

Nearest TCR peer: Metro Paving Indirect (0.0 TCR gap)

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

Wynnewood Refinery in the TCR neighbourhood

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

TCR

What this shows Wynnewood Refinery averages 0.8 TCR (25% of the Crude oil refining BLS benchmark).

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

Wynnewood Refinery TCR series: 2016=0.9 · 2017=2.4 · 2018=0.3 · 2019=0.6 · 2020=0 · BLS 3.3

Where Wynnewood Refinery falls in its industry

198 Crude oil refining establishments

Safer than 32% of graded establishments in this industry, whose median TCR is 0.5.

More dangerous than peersSafer than peers

Narrower to Oklahoma alone (the establishments it most directly competes with for workers and contracts): ranked #6 safest of 7 Crude oil refining employers in Oklahoma.

Wynnewood Refinery (312 employees, TCR 0.8) among 29 same-industry peers, split at the industry median of 376 employees and a TCR of 0.5 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 0246 Average employees Total Case Rate Wynnewood Refinery
Wynnewood Refinery (312 employees, TCR 0.8) among 29 same-industry peers, split at the industry median of 376 employees and a TCR of 0.5

Wynnewood Refinery has fewer employees than the Crude oil refining median and a higher 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 Illnesses Fatalities
2020 0.0 0.0 0 0 0
2019 0.6 0.0 2 0 0
2018 0.3 0.0 1 0 0
2017 2.4 1.2 8 0 0
2016 0.9 0.0 3 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

324110 · OK · Wynnewood

198 Crude oil refining employers nationwide with a credible TCR · 5,320 rated employers in Oklahoma with headcount on file · 4 employers in Wynnewood, OK · 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 Metro Paving Indirect 0.9 TCR
NAICS-TCR World Oil Refining 0.9 TCR
NAICS-TCR Delaware City Refining Company 0.8 TCR
NAICS-TCR The San Antonio Refinery, LLC 0.9 TCR
STATE-SIZE 31 312 FTE
STATE-SIZE Asplundh Tree Expert, LLC - 070 312 FTE
STATE-SIZE 7326 313 FTE
STATE-SIZE WM 4241 313 FTE
CITY-NEAR Wynnewood Refining 319 FTE
CITY-NEAR BrandSafway LLC - Coffeyville Resources Refinery - Wynnewood OK 49 FTE
CITY-NEAR Tessenderlo Kerley Wynnewood, OK 21 FTE
NAT-TCR HPI-IL 0.8 TCR
NAT-TCR SAI Group 0.8 TCR
NAT-TCR EATELCORP - Operations Center 0.8 TCR
NAT-TCR RW Products LLC 0.8 TCR
NAT-SIZE Meijer #268 312 FTE
NAT-SIZE 1855-MIDET456 312 FTE
NAT-SIZE 6975-1L08 312 FTE
NAT-SIZE Smg LLC Hq 312 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.