486
plant internships in the United States
Refining Chemical Engineering Intern/Co-op Fall 2027
Marathon Petroleum - San Antonio, TX, United States
Technical Account (Sales) Representative Intern
Ingredion - White Marsh, MD, United States
R&D Intern
Agropur - Minnesota, United States
Data Science Intern - Summer 2027
Generac - Waukesha, WI, United States
Operations QA Intern, Summer 2027-Columbus, GA
Smucker - Columbus, GA, United States
Maintenance Intern
Kraft Heinz - San Diego, CA, United States
Supply Chain & Operations Intern
Johnson Controls - Lubbock, TX, United States
Technical Sales Intern - Paper Industry
Solenis - Minnesota, United States
2026-2027 U.S. Operations Intern/Co-op - Fall Posting
Dow - Marietta, GA, United States
Refining Chemical Engineering Intern/Co-op Spring 2027
Marathon Petroleum - Canton, OH, United States
Supply Chain/Manufacturing Intern
Solenis - Watertown, WI, United States
Intern/Co-op - Refining Mechanical Engineer (Summer 2027)
Marathon Petroleum - Mandan, ND, United States
Mechanical Internship
Sonoco - Hartselle, AL, United States
Intern/Co-op - Refining Mechanical Engineer (Summer 2027)
Marathon Petroleum - Anacortes, WA, United States
Whey Ingredients Technical Services Intern
Agropur - Wisconsin, United States
Intern/Co-op - Refining Electrical Engineering (Fall 2027)
Marathon Petroleum - El Paso, TX, United States
Engineering Intern
Johns Manville - Waterville, OH, United States
Refining Chemical Engineering Intern/Co-op Spring 2027
Marathon Petroleum - Kentucky, United States
Mercury Marine: Intern Engine and Vessel Calibration Group
Brunswick Corporation - Oshkosh, WI, United States
Mechanical Engineering Intern | Anaheim, CA
IMEG - Anaheim, CA, United States
