- Ice Cream & Frozen Yogurt, Waukegan
- Ice Wholesale, Waukegan - Dry Ice
- Identification Card Access Services, Waukegan
- Immigration & Naturalization Consultants, Waukegan
- In Home Services, Waukegan
- Industrial & Commercial Cleaning Services & Companies, Waukegan
- Industrial & Commercial Real Estate, Waukegan
- Industrial & Heavy Equipment Repair & Service, Waukegan
- Industrial Contractors, Waukegan
- Industrial Equipment & Machinery, Waukegan
- Industrial Goods & Products - Hard Goods - Large, Waukegan
- Industrial Goods & Products - Hard Goods - Small, Waukegan
- Industrial Goods & Products - Soft - Large & Small, Waukegan
- Industrial Heaters & Boilers, Waukegan
- Industrial Lifts, Waukegan
- Industrial Machinery Supplies & Equipment - Leasing & Rental, Waukegan
- Industrial Pump Repair & Service, Waukegan - Centrifugal, Positive Displacement, Submersible, Diaphragm, Hydraulic, Water, Vacuum Pumps, etc
- Industrial Pumps, Waukegan - Centrifugal, Positive Displacement, Submersible, Diaphragm, Hydraulic, Water, Vacuum Pump, etc
- Industrial Supply, Parts & Equipment - Miscellaneous, Waukegan
- Industrial Tools, Waukegan
- Industrial Waste Disposal, Waukegan
- Industrial Waste Recycling, Waukegan
- Industry, Waukegan
- Information Bureaus & Services, Waukegan
|
- Information Processing & Retrieval Systems, Waukegan
- Information Retrieval Services, Waukegan
- Inspection & Testing Services, Waukegan
- Inspection Equipment, Waukegan
- Insulation & Energy Conservation Materials, Waukegan
- Insulation Contractors, Waukegan - Blown-In, Spray Foam, Batt, Fiberglass, Attic Insulation Installation & Service
- Insurance Brokers, Waukegan
- Insurance Carriers, Waukegan
- Insurance Consulting & Information Services, Waukegan
- Insurance Farm, Waukegan
- Insurance Major Medical, Waukegan
- Insurance Motorcycles, Waukegan
- Insurance Services, Waukegan
- Interior Designers, Waukegan
- Interior Designers & Decorators, Waukegan
- Internal Medicine Doctors, Waukegan - Internists Physicians & Surgeons
- Internet Providers, Waukegan
- Internet Services, Waukegan
- Investment Management Services, Waukegan
- Investment Services & Advisors, Waukegan
- Iron, Steel & Metal Fabricators, Waukegan - Fabrication Companies
- Islamic Church, Waukegan
- Italian Restaurants, Waukegan
|