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Illinois summer internships
Intern/Co-op - Refining Electrical Engineering (Fall 2027)
Marathon Petroleum - Texas City, TX, United States
Intern/Co-op - Refining Construction Management (Summer 2027)
Marathon Petroleum - Martinez, CA, United States
Intern/Co-op - Refining Construction Management (Summer 2027)
Marathon Petroleum - Anacortes, WA, United States
Intern/Co-op - Refining Chemical Engineering Fall 2026
Marathon Petroleum - Canton, OH, United States
Returning Project Controls Intern - Summer 2027 - Great Lakes Division (For Current/Former HNTB Interns Only)
HNTB - Jackson, MI, United States
Intern/Co-op - Refining Mechanical Engineer (Summer 2027)
Marathon Petroleum - Detroit, MI, United States
Intern/Co-op - Refining Electrical Engineering (Spring 2027)
Marathon Petroleum - Wilmington, CA, United States
2027 Technical Sales Intern - Equipment
Trane Technologies - Willowbrook, IL, United States
Returning Intern Planner - Summer 2027 - Great Lakes Division (For Current/Former HNTB Interns Only)
HNTB - Jackson, MI, United States
Capital Markets Summer 2027 Internship - Washington, DC
JLL - Washington, DC, United States
Intern/Co-op - Refining Electrical Engineering (Spring 2027)
Marathon Petroleum - Martinez, CA, United States
2027 Summer Corporate Intern - Engineering
Caterpillar - Pittsburgh, PA, United States
2027 Summer Corporate Intern - Procurement
Caterpillar - Irving, TX, United States
Digital & AI Technology Intern
Ecolab - Naperville, IL, United States
Returning Project Controls Intern - Summer 2027 - Great Lakes Division (For Current/Former HNTB Interns Only)
HNTB - East Lansing, MI, United States
Intern/Co-op - Refining Mechanical Engineer (Summer 2027)
Marathon Petroleum - Kentucky, United States
Returning Intern Engineer - Summer 2027 - Great Lakes Division (For Current/Former HNTB Interns Only)
HNTB - Madison, WI, United States
Intern/Co-op - Refining Chemical Engineering Fall 2026
Marathon Petroleum - Detroit, MI, United States
Intern/Co-op - Refining Electrical Engineering (Spring 2027)
Marathon Petroleum - Canton, OH, United States
Financial Analyst I - LIFT Intern
Cisco - North Carolina, United States
