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Illinois summer internships
Machine Learning Intern
Crowe - Springfield, IL, United States
Intern/Co-op - Refining Mechanical Engineer (Summer 2027)
Marathon Petroleum - Kentucky, United States
Intern/Co-op - Refining Mechanical Engineer (Summer 2027)
Marathon Petroleum - Findlay, OH, United States
Leasing Summer 2027 Internship - Phoenix, AZ
JLL - Phoenix, AZ, United States
2026-2027 U.S. Operations Intern/Co-op - Fall Posting
Dow - Angleton, TX, United States
2027 Technical Sales Intern - Services
Trane Technologies - Willowbrook, IL, United States
Refining Chemical Engineering Intern/Co-op Fall 2027
Marathon Petroleum - Canonsburg, PA, United States
Intern/Co-op - Refining Electrical Engineering (Summer 2027)
Marathon Petroleum - Salt Lake City, UT, United States
Logistics & Distribution Intern
Ingredion - Westchester, IL, United States
Returning Project Controls Intern - Summer 2027 - Great Lakes Division (For Current/Former HNTB Interns Only)
HNTB - Allen Park, MI, United States
Refining Chemical Engineering Intern/Co-op Summer 2027
Marathon Petroleum - Canonsburg, PA, United States
Returning Intern Planner - Summer 2027 - Great Lakes Division (For Current/Former HNTB Interns Only)
HNTB - Indianapolis, IN, United States
Supply Chain Intern - Engineering and Business Majors
Ecolab - Chicago, IL, United States
Structural Engineering Intern | Naperville, IL
IMEG - Naperville, IL, United States
2027 Summer Corporate Intern - Engineering
Caterpillar - South Milwaukee, WI, United States
Technology Internship Program (Data Engineering)
CNA - Chicago, IL, United States
Crisis Management Meteorology Intern
Ameren - Maryville, IL, United States
2027 Summer Corporate Intern - Engineering
Caterpillar - Schertz, TX, United States
Intern/Co-op - Refining Electrical Engineering (Fall 2027)
Marathon Petroleum - Canton, OH, United States
2026-2027 U.S. Operations Intern/Co-op - Fall Posting
Dow - Deer Park, TX, United States
