- Ice Cream & Frozen Yogurt, Lorton
- Imported Auto Parts, Lorton
- Importers, Lorton
- Indian Restaurants, Lorton
- Industrial & Commercial Cleaning Services & Companies, Lorton
- Industrial & Commercial Real Estate, Lorton
- Industrial & Heavy Equipment Repair & Service, Lorton
- Industrial & Heavy Vehicle Dealers, Lorton
- Industrial & Personal Service Paper, Boxes & Cardboard, Lorton
- Industrial Contractors, Lorton
- Industrial Equipment & Machinery, Lorton
- Industrial Goods & Products - Hard Goods - Large, Lorton
- Industrial Goods & Products - Hard Goods - Small, Lorton
- Industrial Goods & Products - Soft - Large & Small, Lorton
- Industrial Machinery Supplies & Equipment - Leasing & Rental, Lorton
- Industrial Pump Repair & Service, Lorton - Centrifugal, Positive Displacement, Submersible, Diaphragm, Hydraulic, Water, Vacuum Pumps, etc
- Industrial Supply, Parts & Equipment - Miscellaneous, Lorton
- Industrial Trucks, Lorton
- Industry, Lorton
|
- Infectious Disease Specialists, Lorton - Doctors, Physicians & Surgeons
- Information Bureaus & Services, Lorton
- Information Processing & Retrieval Systems, Lorton
- Information Retrieval Services, Lorton
- Information Technology Services, Lorton - IT Service
- Insurance Carriers, Lorton
- Insurance Consulting & Information Services, Lorton
- Insurance Farm, Lorton
- Insurance General Liability, Lorton
- Insurance Motorcycles, Lorton
- Insurance Renters, Lorton
- Insurance Services, Lorton
- Interdenominational Church, Lorton
- Interior Designers, Lorton
- Interior Designers & Decorators, Lorton
- Internal Medicine Doctors, Lorton - Internists Physicians & Surgeons
- Iron Work Contractors, Lorton
- Iron, Steel & Metal Fabricators, Lorton - Fabrication Companies
- Italian Restaurants, Lorton
|
