- Sand Gravel & Aggregate, Falkville
- Sandwich Shop Restaurants, Falkville
- Satellite TV Service, Falkville
- School Furniture, Falkville
- Screen Printing, Falkville
- Secondary Schools, Falkville
- Security Alarm Systems - Home & Business, Falkville
- Security Control Systems & Monitoring, Falkville - Polygraph, Lie Detector, CCTV, Fire Sensor Equipment, Etc
- Security Services, Falkville
- Senior Citizens Service & Health Organizations, Falkville
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- Sewing & Yarn Stores & Supplies, Falkville
- Shipping Service, Falkville
- Shopping & Shopping Services, Falkville
- Small Appliances, Falkville
- Social Services & Welfare, Falkville
- Societies & Foundation Associations, Falkville
- Specialty Stores, Falkville
- Sporting Goods Stores, Falkville
- Stone & Rock Quarry, Falkville - Gravel Pit, Shale, Granite, Limestone, Crushed Rock, etc
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