- Safety & Security Systems & Consultants, Yankton
- Sand Gravel & Aggregate, Yankton
- Sandblasting, Yankton - General Contractors
- Sandwich Shop Restaurants, Yankton
- Savings & Loan Associations, Yankton
- Savings Banks, Yankton
- Scrap & Waste Machinery, Yankton
- Scrap & Waste Materials, Yankton
- Scrapbooks & Scrapbook Supplies, Yankton
- Screen Printing, Yankton
- Seafood Restaurants, Yankton
- Secondary Schools, Yankton
- Security & Commodity Brokers, Yankton
- Security Alarm Systems - Home & Business, Yankton
- Security Brokers & Dealers, Yankton
- Security Control Systems & Monitoring, Yankton - Polygraph, Lie Detector, CCTV, Fire Sensor Equipment, Etc
- Security Guard & Patrol Service, Yankton - Bodyguard, Guard Dogs, Etc
- Security Investigative Services, Yankton
- Security Services, Yankton
- Senior Citizens Service & Health Organizations, Yankton
- Septic Tank Installation & Repair, Yankton - Septic Systems
- Septic Tank Pumping & Cleaning, Yankton - Septic Systems
- Septic Tanks & Septic Systems Contractors, Yankton - Installation, Repair, Service, Cleaning & Pumping Septic Tanks
- Sewer & Drain Cleaning & Repair, Yankton - Drain Cleaner & Installation Services
- Sewer Construction Contractors, Yankton - Sewer Line, Pipe Installation & Repair Services
- Sewing & Yarn Stores & Supplies, Yankton
- Sewing Contractors, Yankton
- Sewing Machine Repair & Service, Yankton
- Sewing Machines, Equipment & Supplies, Yankton
- Sheet Metal Contractors, Yankton - Sheet Metal Fabrication
- Sheet Metal Fabricators & Ductwork Contractors, Yankton
- Shoe Dyers, Yankton
- Shoe Repair & Shoeshine Parlors, Yankton
- Shoe Repair Shops, Yankton
- Shoe Stores, Yankton - Mens, Womens & Kids Shoes
|
- Shopping & Shopping Services, Yankton
- Siding Contractors, Yankton - Vinyl Siding, Wood, Metal & Aluminum Siding Contractors - Installation & Repair
- Signs, Yankton
- Skating Rink & Hockey Operation Services, Yankton
- Skin Care & Cosmetology Salons, Yankton
- Skin Care Products & Treatments, Yankton
- Small Appliances, Yankton
- Snacks & Desserts, Yankton
- Snow Removal Services, Yankton - Snow Plow Service
- Snowmobile Repair, Parts, Sales & Service, Yankton
- Social Service Organizations Volunteer Services, Yankton
- Social Services & Welfare, Yankton
- Special Dies Tools Jigs & Fixtures Manufacturers, Yankton
- Special Events & Party Supply Rental, Yankton
- Special Interest Schools Or Instruction, Yankton
- Speciality Food Stores, Yankton
- Specialty Animal Services, Yankton
- Specialty Stores, Yankton
- Speech & Hearing Specialists, Yankton
- Sporting Goods Stores, Yankton
- Sports Medicine, Yankton - Doctors, Physicians & Surgeons
- Staffing & Support Services, Yankton
- State Government, Yankton
- Steak House Restaurants, Yankton
- Steel & Metal Goods, Yankton - Steel Distributors
- Stock & Bond Brokers & Dealers, Yankton
- Stocks & Bond Brokers, Yankton
- Stone, Yankton
- Submarine Sandwich Restaurants, Yankton
- Surveyor Services, Yankton - Surveying Service
- Swimming, Yankton
- Swimming Pool, Sauna & Spa Contractors, Yankton
- Swimming Pools, Yankton
- Swimming Pools Contractors, Yankton - Install Inground - Above Ground Pools
|