- Ice Cream & Frozen Yogurt, Springfield
- Ice Sports Clubs & Instruction, Springfield
- Ice Wholesale, Springfield - Dry Ice
- Immigration & Naturalization Services, Springfield
- Imported Auto Parts, Springfield
- Importers, Springfield
- In Home Services, Springfield
- Individual & Family Information & Referral Services, Springfield
- Individual & Family Services, Springfield
- Industrial & Commercial Cleaning Services & Companies, Springfield
- Industrial & Commercial Real Estate, Springfield
- Industrial & Heavy Equipment Repair & Service, Springfield
- Industrial & Heavy Vehicle Dealers, Springfield
- Industrial & Personal Service Paper, Boxes & Cardboard, Springfield
- Industrial Contractors, Springfield
- Industrial Engineers & Designers, Springfield - Architectural Designers
- Industrial Equipment & Machinery, Springfield
- Industrial Goods & Products - Hard Goods - Large, Springfield
- Industrial Goods & Products - Hard Goods - Small, Springfield
- Industrial Goods & Products - Soft - Large & Small, Springfield
- Industrial Heaters & Boilers, Springfield
- Industrial Lifts, Springfield
- Industrial Machinery Manufacturers, Springfield
- Industrial Machinery Supplies & Equipment - Leasing & Rental, Springfield
- Industrial Maintenance & Cleaning Contractors, Springfield
- Industrial Patterns, Springfield
- Industrial Pump Repair & Service, Springfield - Centrifugal, Positive Displacement, Submersible, Diaphragm, Hydraulic, Water, Vacuum Pumps, etc
- Industrial Pumps, Springfield - Centrifugal, Positive Displacement, Submersible, Diaphragm, Hydraulic, Water, Vacuum Pump, etc
- Industrial Supply, Parts & Equipment - Miscellaneous, Springfield
- Industrial Tools, Springfield
- Industrial Trucks, Springfield
- Industrial Waste Disposal, Springfield
- Industrial Waste Recycling, Springfield
- Industry, Springfield
|
- Infectious Disease Specialists, Springfield - Doctors, Physicians & Surgeons
- Information Bureaus & Services, Springfield
- Information Retrieval Services, Springfield
- Information Technology Services, Springfield - IT Service
- Inks, Springfield
- Inks - Manufacturing, Springfield
- Inks Manufacturing Materials, Springfield - Inks Manufacturers Equipment
- Inspection & Testing Services, Springfield
- Instruments, Springfield - Control Equipment
- Instruments Comparators, Springfield
- Insulation Contractors, Springfield - Blown-In, Spray Foam, Batt, Fiberglass, Attic Insulation Installation & Service
- Insurance Adjusters, Springfield
- Insurance Brokers, Springfield
- Insurance Carriers, Springfield
- Insurance Claim Processing Services, Springfield
- Insurance General Liability, Springfield
- Insurance Major Medical, Springfield
- Insurance Motorcycles, Springfield
- Insurance Renters, Springfield
- Insurance Services, Springfield
- Insurance Underwriters, Springfield
- Interior Designers, Springfield
- Interior Designers & Decorators, Springfield
- Internal Medicine Doctors, Springfield - Internists Physicians & Surgeons
- International Affairs, Springfield
- International Restaurants, Springfield
- Internet - Voice Application, Springfield
- Internet Providers, Springfield
- Internet Services, Springfield
- Inventory Management Services, Springfield - Inventory Service
- Investment Bankers, Springfield
- Investment Services & Advisors, Springfield
- Irish Restaurants, Springfield
- Italian Restaurants, Springfield
|
