- Sand Gravel & Aggregate, Troutman
- Sandblasting, Troutman - General Contractors
- Sandwich Shop Restaurants, Troutman
- Savings Banks, Troutman
- Scientific & Laboratory Equipment & Instruments, Troutman
- Screen Printing, Troutman
- Search & Rescue, Troutman
- Secondary Schools, Troutman
- Security Investigative Services, Troutman
- Security Services, Troutman
- Sheet Metal Contractors, Troutman - Sheet Metal Fabrication
- Sheet Metal Fabricators & Ductwork Contractors, Troutman
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- Shopping & Shopping Services, Troutman
- Siding Contractors, Troutman - Vinyl Siding, Wood, Metal & Aluminum Siding Contractors - Installation & Repair
- Siding Materials, Troutman
- Snacks & Desserts, Troutman
- Social Services & Welfare, Troutman
- Specialty Stores, Troutman
- Staffing & Support Services, Troutman
- State Government, Troutman
- Steel & Metal Goods, Troutman - Steel Distributors
- Steel Erection Contractors, Troutman - Steel Erectors
- Steel Manufacturers, Troutman
- Stone, Troutman
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