- Fabricated Rubber Products, Port Jefferson
- Family Medicine & General Practice Doctors, Port Jefferson - General Practitioner (GP), Physicians & Surgeons
- Family Services & Care, Port Jefferson
- Farming Gardens, Port Jefferson
- Farms, Port Jefferson
- Federal Department Of Transportation, Port Jefferson
- Federal Economic And Regulatory Agencies, Port Jefferson
- Federal Government, Port Jefferson
- Ferries, Port Jefferson
- Fertility Specialists, Port Jefferson - Reproductive Endocrinologist (RE), Doctors, Physicians & Surgeons
- Finance, Port Jefferson
- Financial Advisory Services, Port Jefferson
- Financial Institutions, Port Jefferson
- Financial Management & Consulting, Port Jefferson
- Financial Planning Consultants, Port Jefferson
- Financial Services, Port Jefferson
- Fine Arts Schools, Port Jefferson
- Fine Dining Restaurants, Port Jefferson
- Fire Department, Port Jefferson
- Fire, Marine & Casualty Insurance, Port Jefferson
- Fireplace Accessories, Equipment, Tools & Decor, Port Jefferson - Gas & Electric Fireplace
- Fish & Seafood Markets, Wholesale & Retail, Port Jefferson
|
- Fitness, Port Jefferson
- Fitness Centers, Port Jefferson
- Floor Refinishing, Installation & Resurfacing, Port Jefferson - Hardwood, Laminate Flooring
- Flooring Contractors, Port Jefferson - Laminate, Hardwood, Carpet, Tile, Vinyl, Linoleum, etc
- Flooring Stores & Dealers, Port Jefferson - Carpet Rugs, Hardwood Flooring, Laminate Flooring, Ceramic Tile, Vinyl Flooring, Area Rugs & More
- Florists, Port Jefferson - Flower Shops
- Flowers & Plants, Port Jefferson
- Food & Beverage Stores & Services, Port Jefferson
- Food & Beverages - Wholesale & Retail, Port Jefferson
- Food Delivery Services, Port Jefferson
- Food Management Services, Port Jefferson
- Food Product Manufacturers, Port Jefferson
- Food Services, Port Jefferson
- Foreign Auto Repair & Service, Port Jefferson
- Foundations, Clubs, Associations, Etcetera, Port Jefferson
- Fraternal Organizations, Port Jefferson
- Freezers Sales, Service & Repair, Port Jefferson
- Fuel Dealers & Gas Stations, Port Jefferson
- Full Service Breakfast Restaurants, Port Jefferson
- Furniture Repair, Port Jefferson
- Furniture Reupholstery & Repair, Port Jefferson
- Furniture Stores, Port Jefferson
|
