- Paint & Painting Supplies, Torrington
- Paint Stores, Torrington
- Paper & Cardboard Manufacturers, Torrington
- Paper Finishers Manufacturers, Torrington
- Parka Stores, Torrington - Anorak
- Party & Event Planning, Decorations, Equipment & Supplies, Torrington - Party Supply Stores
- Passenger Vehicle Dealers, Torrington
- Personal Care, Torrington
- Personal Credit Institutions & Services, Torrington
- Personal Legal Services, Torrington
- Personal Services, Torrington
- Pet Care Services, Torrington
- Pet Food & Supplies, Torrington
- Pet Grooming & Boarding, Torrington
- Pet Grooming & Boarding Services, Torrington
- Pet Shops & Supplies, Torrington
- Pets Stores & Pet Supplies , Torrington
- Pharmacists, Torrington
- Pharmacy & Drug Stores, Torrington - Drugstore - Chemists
- Photo & Picture Frames, Torrington - Picture Framing
- Photographers, Torrington
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- Photography, Torrington
- Physical Therapists, Torrington - Physical Therapy
- Pizza Restaurant 1 Of 2, Torrington
- Plant Products & By Products, Torrington
- Plants, Trees, Flowers & Seeds, Torrington
- Plumbers & Plumbing Contractors, Torrington - Installation, Repair & Replace Services
- Pole Buildings - Post Frame, Torrington - Pole Barns
- Prefab Homes, Buildings & Structures, Torrington - Prefabricated Homes - Building Systems & Components
- Pregnancy Counseling & Information Services, Torrington
- Presbyterian Churches, Torrington
- Preschools, Torrington
- Printers Services, Torrington
- Printing Services & Publishing Services, Torrington
- Product Repair Services, Torrington
- Professional, Torrington
- Propane & Natural Gas, Torrington
- Public Accountants, Torrington
- Public Health Program Administration, Torrington
- Public Libraries, Torrington
- Publishing & Printing Manufacturers, Torrington
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