- Paper & Cardboard Manufacturers, Poseyville
- Paper Finishers Manufacturers, Poseyville
- Passenger Vehicle Dealers, Poseyville
- Personal Care, Poseyville
- Personal Legal Services, Poseyville
- Personal Services, Poseyville
- Pharmacy & Drug Stores, Poseyville - Drugstore - Chemists
- Pizza Restaurant 1 Of 2, Poseyville
- Plastic Extrusion, Poseyville
- Plastic Products, Poseyville
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- Plumbers & Plumbing Contractors, Poseyville - Installation, Repair & Replace Services
- Produce Wholesale, Poseyville
- Product Rental & Leasing, Poseyville
- Product Repair Services, Poseyville
- Professional, Poseyville
- Professional Services, Poseyville
- Public Accountants, Poseyville
- Public Libraries, Poseyville
- Pubs, Poseyville
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