- Paging & Signaling Equipment, Huntsville
- Paint & Painting Supplies, Huntsville
- Paint Stores, Huntsville
- Painters, Huntsville - Painting Contractors
- Paper & Cardboard Manufacturers, Huntsville
- Paper Finishers Manufacturers, Huntsville
- Passenger Ground Transportation, Huntsville
- Passenger Vehicle Dealers, Huntsville
- Pawn Shops, Huntsville
- Payroll Preparation Service, Huntsville
- Payroll Services, Huntsville
- Pediatric Dentist , Huntsville - Childrens - Kids Dentist
- Personal Care, Huntsville
- Personal Credit Institutions & Services, Huntsville
- Personal Document & Information Services, Huntsville
- Personal Legal Services, Huntsville
- Personal Services, Huntsville
- Pharmacy & Drug Stores, Huntsville - Drugstore - Chemists
- Phone Companies - Long Distance Service, Huntsville
- Physical Therapists, Huntsville - Physical Therapy
- Pizza Restaurant 1 Of 2, Huntsville
- Plants, Trees, Flowers & Seeds, Huntsville
- Playgrounds Parks & Trails, Huntsville
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- Plumbers & Plumbing Contractors, Huntsville - Installation, Repair & Replace Services
- Plumbing Fixtures, Equipment, Parts & Supplies, Huntsville
- Post Offices, Huntsville
- Poultry Equipment & Supplies, Huntsville
- Poultry Slaughtering & Processing, Huntsville
- Prefab Storage Sheds & Buildings, Huntsville
- Prefabricated Buildings, Huntsville
- Presbyterian Churches, Huntsville
- Preschools, Huntsville
- Preservation & Storage, Huntsville
- Printers Services, Huntsville
- Printing Services & Publishing Services, Huntsville
- Private Schools Secondary Schools, Huntsville
- Product Repair Services, Huntsville
- Professional, Huntsville
- Professional Engineers, Huntsville
- Professional Services, Huntsville
- Public Accountants, Huntsville
- Public Health Program Administration, Huntsville
- Public Libraries, Huntsville
- Public Schools Preschools, Huntsville
- Publishing & Printing Manufacturers, Huntsville
- Pump Contractors, Huntsville - Repair & Service
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