| Company |
Location |
Business Sector |
| Abbott |
North Chicago |
Health Care |
| Ambitech |
Downers Grove |
Engineering Consultation |
| Baxter |
Deerfield |
Health Care |
| BP |
Warrenville / Naperville |
Energy - Refining |
| Chicago Chem Consultants |
Chicago |
Chemical Process and Environmental Engineer Consulting |
| Citgo |
Lemont |
Energy - Refining |
| Cognis |
LaGrange |
Speciality Chemicals |
| Earthtech |
Chicago / Oak Brook |
Global Water Management |
| Environcorp |
Chicago/Deerfield |
International Environmental Consulting |
| ExxonMobil |
Joliet |
Energy – Refining |
| Gas Technology |
Des Plaines |
Research & Development |
| Grace |
Maryland |
Catalysis |
| Hospira |
North Chicago |
Health Care |
| Jacobs |
Chicago |
Engineering Consulting |
| Lyondell |
Morris |
Petrochemical – Olefins and Polymers |
| Middough |
Westmont |
Engineering Consultation |
| Northfield Laboratories |
Evanston |
Pharmaceutical |
| Pfizer |
New York (HQ) |
Pharmaceutical |
| Stepan |
Northfield |
Specialty Chemicals |
| Tyco |
Chicago |
Health Care, Plastics and Adhesives, Engineered Products |
| UOP |
Des Plaines |
Design/Engineer Process Technology, Catalysts, Molecular
Sieves |
