- Sand Gravel & Aggregate, Jacksonville
- Satellite Dish Antennas & Equipment Dealers, Jacksonville
- Satellite TV Service, Jacksonville
- Savings Banks, Jacksonville
- Security Brokers & Dealers, Jacksonville
- Sewer & Drain Cleaning & Repair, Jacksonville - Drain Cleaner & Installation Services
- Sheet Metal Contractors, Jacksonville - Sheet Metal Fabrication
- Sheet Metal Fabricators & Ductwork Contractors, Jacksonville
- Shoe Stores, Jacksonville - Mens, Womens & Kids Shoes
- Shopping & Shopping Services, Jacksonville
- Skin Care & Cosmetology Salons, Jacksonville
- Skin Care Products & Treatments, Jacksonville
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- Social Clubs & Organizations, Jacksonville
- Social Services & Welfare, Jacksonville
- Special Education & Care, Jacksonville
- Special Interest Schools Or Instruction, Jacksonville
- Specialty Stores, Jacksonville
- Sporting & Recreational Camps, Jacksonville
- Sporting Goods Stores, Jacksonville
- Stocks & Bond Brokers, Jacksonville
- Structural Engineer, Jacksonville
- Sushi Restaurants, Jacksonville
- Swimming Pool Covers & Enclosures, Jacksonville
- Swimming Pools Supplies, Equipment & Accessories, Jacksonville
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