- Sand Gravel & Aggregate, Superior
- Sandwich Shop Restaurants, Superior
- Savings & Loan Associations, Superior
- Savings Banks, Superior
- Scrapbooks & Scrapbook Supplies, Superior
- Secondary Schools, Superior
- Security & Commodity Brokers, Superior
- Security Alarm Systems - Home & Business, Superior
- Security Brokers & Dealers, Superior
- Security Control Systems & Monitoring, Superior - Polygraph, Lie Detector, CCTV, Fire Sensor Equipment, Etc
- Security Services, Superior
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- Senior Citizens Service & Health Organizations, Superior
- Sewer & Drain Cleaning & Repair, Superior - Drain Cleaner & Installation Services
- Shoe Stores, Superior - Mens, Womens & Kids Shoes
- Shopping & Shopping Services, Superior
- Social Services & Welfare, Superior
- Specialty Animal Services, Superior
- Specialty Stores, Superior
- Stock & Bond Brokers & Dealers, Superior
- Stocks & Bond Brokers, Superior
- Submarine Sandwich Restaurants, Superior
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