BP Cherry Point
Blaine, WA

ConocoPhillips Ferndale Refinery
Ferndale, WA

Shell Puget Sound Refinery
Anacortes, WA

Tesoro Anacortes Refinery
Anacortes, WA

US Oil & Refining Co.
Tacoma, WA

Montana Refining Company (Connacher Oil and Gas)
Great Falls, MT

Laurel Refinery (Cenex)
Laurel, MT

Billings Refinery (ConocoPhillips)
Billings, MT

Billings Refinery (ExxonMobil)
Billings, MT

Sinclair Casper Refinery
Casper, WY

Tesoro Refinery
Salt Lake City, UT

Woods Cross Refinery (HollyFrontier Corporation)
Woods Cross, UT

Sinclair Refinery
Sinclair, WY

Silver Eagle Refining
Woods Cross, UT

Tesoro Golden Eagle Refinery
Pacheco, CA

Chevron Richmond Refinery
Richmond, CA

HollyFrontier Cheyenne Refinery
Cheyenne, WY

Suncor Commerce City Refinery
Commerce City, CO

ConocoPhillips Los Angeles Refinery
Wilmington, CA

Tesoro Refinery
Wilmington, CA

HollyFrontier El Dorado Refining Co.
El Dorado, KS

Coffeyville Refinery (Coffeyville Resources LLC)
Coffeyville, KS

ConocoPhillips Refinery
Ponca City, OK

ConocoPhillips Refinery
Borger, TX

Navajo Refinery (HollyFrontier Corporation)
Artesia, NM

ExxonMobil Refinery
Beaumont, TX

ExxonMobil Refinery
Baytown, TX

Valero Port Arthur Refinery
Valero, TX

Superior Refinery (Murphy Oil)
Superior, WI

St. Paul Park Refinery (Northern Tier Energy)
St. Paul Park, MN

Pine Bend Refinery (Flint Hills Resources)
Rosemount, MN

Marathon Detroit Refinery
Detroit, MI

Toledo Refining Company
Oregon, OH

BP Toledo Refinery
Oregon, OH

Citgo Lemont Refinery
Lemont, IL

ExxonMobil Refinery
Joliet, IL

BP Whiting Refinery
Whiting, IN

Lima Refining Company (Husky)
Lima, OH

Marathon Canton Refinery
Canton, OH

United Refining Company
Warren, PA

ConocoPhillips Wood River
Roxana, IL

Hunt Refining Co.
Tuscaloosa, AL

Marathon Garyville Refinery
Garyville, LA

National Cooperative Refinery Association (NCRA) Refinery
McPherson, KS

Marathon Refinery
Robinson, IL

BP Refinery
Texas City, TX

Marathon Refinery
Catlettsburg, KY

Chevron Refinery
Salt Lake City, UT