- Ice Cream & Frozen Dessert Storage & Equipment, Martinsville
- Ignition Apparatus Manufacturers, Martinsville
- Imported Auto Parts, Martinsville
- Independent Church, Martinsville
- Industrial & Commercial Cleaning Services & Companies, Martinsville
- Industrial & Commercial Real Estate, Martinsville
- Industrial & Heavy Equipment Repair & Service, Martinsville
- Industrial & Heavy Equipment Vehicle Rental & Leasing, Martinsville
- Industrial & Personal Service Paper, Boxes & Cardboard, Martinsville
- Industrial Contractors, Martinsville
- Industrial Equipment & Machinery, Martinsville
- Industrial Goods & Products - Hard Goods - Large, Martinsville
- Industrial Goods & Products - Hard Goods - Small, Martinsville
- Industrial Goods & Products - Soft - Large & Small, Martinsville
- Industrial Machinery Supplies & Equipment - Leasing & Rental, Martinsville
- Industrial Pump Repair & Service, Martinsville - Centrifugal, Positive Displacement, Submersible, Diaphragm, Hydraulic, Water, Vacuum Pumps, etc
- Industrial Pumps, Martinsville - Centrifugal, Positive Displacement, Submersible, Diaphragm, Hydraulic, Water, Vacuum Pump, etc
- Industrial Supply, Parts & Equipment - Miscellaneous, Martinsville
- Industry, Martinsville
- Information Retrieval Services, Martinsville
|
- Information Technology Services, Martinsville - IT Service
- Inspection & Testing Services, Martinsville
- Insulation Contractors, Martinsville - Blown-In, Spray Foam, Batt, Fiberglass, Attic Insulation Installation & Service
- Insurance Brokers, Martinsville
- Insurance Carriers, Martinsville
- Insurance Compensation, Martinsville
- Insurance Farm, Martinsville
- Insurance General Liability, Martinsville
- Insurance Motorcycles, Martinsville
- Insurance Renters, Martinsville
- Insurance Services, Martinsville
- Insurance Underwriters, Martinsville
- Interdenominational Church, Martinsville
- Interior Designers, Martinsville
- Interior Designers & Decorators, Martinsville
- Internal Medicine Doctors, Martinsville - Internists Physicians & Surgeons
- Internet Services, Martinsville
- Investment Management Services, Martinsville
- Investment Services & Advisors, Martinsville
- Italian Restaurants, Martinsville
|