- I B E W Local
- Ics Courier
- Iga
- Igs Slate Products
- Imageworks Pei Inc
- Imapro 2000 Inc
- Immigrant Settlement Program
- In Stitches
- Indian River Farms
- Indian River Farms
- Indigo Books & Music
- Information Technology, Community Access Sites, Community Access Program, Carrefour Info Tech
- Information Technology, Community Access Sites, Community Access Program, Tremploy Inc
- Ing Insurance Company of Canada
- Ing Insurance Company of Canada
- Inner City Couriers
- Innovation & Technology Association of Pei
- Institute of Chartered Accountants of Pei
- Institute of Human Health Research
- Insurance Company of Prince Edward Island
- Insurance Company of Prince Edward Island, Emergency Claims After 5 00Pm
- Interior Decorators
- Interlude Cafe
- International Fingerprinting Services
- International Fingerprinting Services
- International Restaurant
- International Transportation Group
- International Union of Operating Engineers Local 902
- International Union of Operating Engineers Local 942
- International Union of Operating Engineers Local 942
- Internet Works
- Internetworks
- Investia Financial Services Inc
- Invisible Fence Pet Containment
- Invisible Fence Pet Containment
- Irving Equipment
- Irving Oil Limited, Mainway Stores, Charlottetown
- Irving Oil Limited, Mainway Stores, Charlottetown
- Island Activewear
- Island Arts & Heritage Stabilization Program
- Island Audiology
- Island Auto Salvage
- Island Beach Company, Pei Factory Shops
- Island Coastal Services Ltd
- Island Collateral & Sales
- Island Construction Ltd, Asphalt Plant
- Island Construction Ltd, Snow Plow Dispatcher
- Island Control Limited
- Island Control Limited
- Island Copier Inc
- Island Crafts Shop
- Island Dance Academy
- Island Driving School Inc
- Island Engine
- Island Engine
- Island Fitness Council
- Island Frame It
- Island Frame It
- Island Glass Ltd
- Island Grown Sod
- Island Gymnastics Academy
- Island Handling Systems Inc
- Island Home Health Care
- Island Home Health Care
- Island Home & Mortgage Services Ltd
- Island Honda
- Island Insurance Brokers
- Island Lens Design
- Island Liferafts Inc
- Island Livestock Sales (1978) Ltd
- Island Maintenance Supply
- Island Media Arts Cooperative
- Island Metal Products
- Island Mosquito Control Ltd
- Island Nature Trust
- Island Nature Trust
- Island Optical Ltd
- Island Optical Ltd
- Island Orthotics Ltd
- Island Oxygen Ltd
- Island Packaging Co Ltd
- Island Packaging Co Ltd
- Island Painting & Decorating Ltd
- Island Posters' Etc
- Island Respiratory Specialists
- Island Rods & Flies
- Island Sandblasting 1987 Ltd
- Island Sprinkler Systems Ltd
- Island Tee Times
- Island Transmission
- Island Travel-the Travel Store
- Island Waste Management Corporation
- Island Wide Carpentry
- Island Wide Piano Service
- Island Wildlife Removal
- Islander Motor Lodge
- Islandland Holdings Inc
- Islandland Holdings Inc
- Islandside Development Inc
- Iwave Information System Inc
- I M P Group Ltd
- I M P Group Ltd
- I & R Communications
- I S N