TESORO REFINING & MARKETING COMPANY, LLC is a petroleum refineries employer in MANDAN, ND. Federal records show 2 OSHA inspections with 1 violation and $13,260 in penalties. All data sourced from public federal enforcement records.
Data sourced from OSHA, DOL WHD, MSHA, EPA ECHO, NLRB, FMCSA, OFLC, BLS, SAM.gov, CMS, USAspending, CPSC, NHTSA, and the UVA Corporate Prosecution Registry. Last updated: May 3, 2026.
TESORO REFINING & MARKETING COMPANY, LLC
900 OLD RED TRAIL NE, MANDAN, ND, 58554
Industry Benchmark
Data Insights
Inspection Breakdown
Labor Relations (NLRB)
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Inspection History
No inspection records found.
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Data aggregated from public federal enforcement and program records (OSHA, WHD, MSHA, EPA, NLRB, FMCSA, OFLC, BLS, SAM.gov, CMS, USAspending, CPSC, NHTSA) plus the UVA Corporate Prosecution Registry. Employer profiles matched by name and location — matching errors may occur. Risk scores computed by FastDOL, not official government assessments. OSHA citations typically appear 3-8 months after the inspection, so very recent enforcement actions may not yet be reflected. Data provided as-is. Report a data error.
Part of a larger organization
TESORO REFINING & MARKETING COMPANY, LLC is one of 94 establishments in our dataset that roll up under the parent organization Marathon Petroleum Corp. Marathon Petroleum Corp is a SEC public reporter (MPC), with most recent reported revenue of $132.7B.
Federal enforcement records on TESORO REFINING & MARKETING COMPANY, LLC represent activity at this specific establishment. The full enforcement footprint of Marathon Petroleum Corp across all 94 of its tracked locations is viewable on the parent profile.
Other establishments operated by Marathon Petroleum Corp
- TESORO REFINING AND MARKETING COMPANY — ANACORTES, WA — 3 federal records
- TESORO REFINING AND MARKETING LLC LOS ANGELES REFINERY — WILMINGTON, CA — 3 federal records
- TESORO REFINING & MARKETING COMPANY LLC — MARTINEZ, CA — 3 federal records
- DAKOTA PRAIRIE REFINING, LLC — DICKINSON, ND — 2 federal records
- TESORO HAWAII LLC — KAPOLEI, HI — 2 federal records
- TESORO REFINING AND MARKETING LLC LOS ANGELES REFINERY — CARSON, CA — 2 federal records
- TESORO REFINING & MARKETING CO — SALT LAKE CITY, UT — 2 federal records
- TESORO REFINING & MARKETING COMPANY LLC — SALT LAKE CITY, UT — 2 federal records
- TESORO REFINING & MARKETING COMPANY LLC — CARSON, CA — 2 federal records
- BLANCHARD REFINING COMPANY, LLC — TEXAS CITY, TX — 2 federal records
Other employers in Petroleum Refineries within ND
- DAKOTA PRAIRIE REFINING, LLC — DICKINSON — 2 federal records
- KINDER MORGAN — WATFORD CITY — 1 federal record
Industry context
OSHA penalty totals rank in the 100th percentile of the same peer group. Inspection frequency ranks in the 100th percentile.
The Bureau of Labor Statistics reports an industry-average Total Recordable Incident Rate (TRIR) of 0.4 for the petroleum refineries sector, with a Days Away, Restricted, or Transferred (DART) rate of 0.2.
Activity timeline
No federal enforcement activity has been recorded against this establishment in the past 6 years.
Frequently Asked Questions
- What is TESORO REFINING & MARKETING COMPANY, LLC's OSHA violation history?
- TESORO REFINING & MARKETING COMPANY, LLC has 2 OSHA inspections on record with 1 violation and $13,260 in total penalties.
- How does TESORO REFINING & MARKETING COMPANY, LLC's safety record compare to its industry?
- TESORO REFINING & MARKETING COMPANY, LLC operates in the petroleum refineries industry. The industry average Total Recordable Incident Rate (TRIR) is 0.4.
About this data
This profile aggregates federal enforcement records on TESORO REFINING & MARKETING COMPANY, LLC of MANDAN, ND from 17 federal data sources. Records were found in 4 sources: OSHA workplace safety inspections, NLRB labor relations cases, SEC XBRL companyfacts (parent financials), and BLS industry safety benchmarks. The remaining 13 sources were checked and found no matching records: WHD, MSHA, EPA, OFLC, OFCCP, FMCSA, USAspending, SAM.gov, CMS, CPSC, NHTSA, UVA, SEC enforcement.
Establishments are matched across agencies using normalized employer name, state, and ZIP code. The dataset was last refreshed on May 3, 2026. TESORO REFINING & MARKETING COMPANY, LLC resolves to the parent rollup Marathon Petroleum Corp, which operates 94 establishments in our dataset.
This profile may be incomplete if TESORO REFINING & MARKETING COMPANY, LLCoperates under multiple legal names, files under variations our entity-matching rules don't yet cover, or maintains records below current matching thresholds. To report a missing record or correction, email corrections@fastdol.com.