- Sand Gravel & Aggregate, Burlington
- Sandwich Shop Restaurants, Burlington
- Satellite TV Service, Burlington
- Savings & Loan Associations, Burlington
- Savings Banks, Burlington
- Secondary Schools, Burlington
- Security & Commodity Brokers, Burlington
- Security Brokers & Dealers, Burlington
- Seeds & Bulbs Wholesale & Growers, Burlington
- Senior Citizens Service & Health Organizations, Burlington
- Septic Tank Installation & Repair, Burlington - Septic Systems
- Septic Tank Pumping & Cleaning, Burlington - Septic Systems
- Septic Tanks & Septic Systems Contractors, Burlington - Installation, Repair, Service, Cleaning & Pumping Septic Tanks
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- Sewer & Drain Cleaning & Repair, Burlington - Drain Cleaner & Installation Services
- Shopping & Shopping Services, Burlington
- Social Security Counselors & Representatives, Burlington
- Social Services & Welfare, Burlington
- Societies & Foundation Associations, Burlington
- Specialty Stores, Burlington
- Speech & Hearing Specialists, Burlington
- State Government, Burlington
- Steel Manufacturers, Burlington
- Stitching Services, Burlington
- Strapping & Strapping Equipment, Burlington
- Swimming Pools, Burlington
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