- Paint & Painting Supplies, Houston
- Paint Stores, Houston
- Paper & Cardboard Manufacturers, Houston
- Paper Finishers Manufacturers, Houston
- Party & Event Planning, Houston
- Passenger Vehicle Dealers, Houston
- Personal Care, Houston
- Personal Credit Institutions & Services, Houston
- Personal Service Consultants, Houston
- Personal Services, Houston
- Phone Companies - Long Distance Service, Houston
- Physical Therapists, Houston - Physical Therapy
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- Pizza Restaurant 1 Of 2, Houston
- Plants, Trees, Flowers & Seeds, Houston
- Plumbers & Plumbing Contractors, Houston - Installation, Repair & Replace Services
- Plumbing - Sewer & Drain Cleaning & Repair, Houston
- Preservation & Restoration Services, Houston
- Print Ads - Newspaper Advertising, Houston
- Printing Services & Publishing Services, Houston
- Product Repair Services, Houston
- Professional, Houston
- Promotional Products, Houston - Promotional Items, Corporate Gifts, Personalized Gifts, etc
- Promotional Services, Houston
- Public Libraries, Houston
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