- Ice Cream & Frozen Desserts, Altoona
- Ice Cream & Frozen Yogurt, Altoona
- Ice Making Equipment, Altoona - Ice Machines
- Ice Sports Clubs & Instruction, Altoona
- Image Processing Supplies & Equipment, Altoona
- Imprinting & Embossing Services, Altoona
- Independent Church, Altoona
- Individual & Family Information & Referral Services, Altoona
- Industrial & Commercial Cleaning Services & Companies, Altoona
- Industrial & Commercial Real Estate, Altoona
- Industrial & Commercial Real Estate Companies, Altoona
- Industrial & Heavy Equipment Repair & Service, Altoona
- Industrial & Heavy Vehicle Dealers, Altoona
- Industrial Contractors, Altoona
- Industrial Engineers & Designers, Altoona - Architectural Designers
- Industrial Equipment & Machinery, Altoona
- Industrial Equipment & Machinery - Other, Altoona
- Industrial Furnace, Altoona
- Industrial Goods & Products - Hard Goods - Large, Altoona
- Industrial Goods & Products - Hard Goods - Small, Altoona
- Industrial Goods & Products - Soft - Large & Small, Altoona
- Industrial Heat & Electrical Supplies & Equipment, Altoona
- Industrial Machinery Supplies & Equipment - Leasing & Rental, Altoona
- Industrial Pumps, Altoona - Centrifugal, Positive Displacement, Submersible, Diaphragm, Hydraulic, Water, Vacuum Pump, etc
- Industrial Supply, Parts & Equipment - Miscellaneous, Altoona
- Industrial Waste Recycling, Altoona
- Industry, Altoona
- Information Bureaus & Services, Altoona
- Information Retrieval Services, Altoona
- Inspection & Testing Services, Altoona
|
- Insulation Contractors, Altoona - Blown-In, Spray Foam, Batt, Fiberglass, Attic Insulation Installation & Service
- Insurance Adjusters, Altoona
- Insurance Brokers, Altoona
- Insurance Carriers, Altoona
- Insurance Claim Processing Services, Altoona
- Insurance Consulting & Information Services, Altoona
- Insurance Farm, Altoona
- Insurance General Liability, Altoona
- Insurance Motorcycles, Altoona
- Insurance Renters, Altoona
- Insurance Services, Altoona
- Interactive & Multimedia Software, Altoona
- Interior Designers, Altoona
- Interior Designers & Decorators, Altoona
- Internal Medicine Doctors, Altoona - Internists Physicians & Surgeons
- Internet - Voice Application, Altoona
- Internet Development, Altoona
- Internet Entertainment, Altoona - Internet Services
- Internet Home Page Development & Consulting, Altoona
- Internet Marketing & Advertising Services, Altoona
- Internet Providers, Altoona
- Internet Services, Altoona
- Internet Websites, Altoona - Web Hosting, etc
- Investment Management Services, Altoona
- Investment Services & Advisors, Altoona
- Iron Work Contractors, Altoona
- Iron, Steel & Metal Fabricators, Altoona - Fabrication Companies
- Islamic Church, Altoona
- Italian Restaurants, Altoona
|
