- Sand Gravel & Aggregate, Lena
- Sandwich Shop Restaurants, Lena
- Sheet Metal Contractors, Lena - Sheet Metal Fabrication
- Sheet Metal Fabricators & Ductwork Contractors, Lena
- Shopping & Shopping Services, Lena
- Siding Contractors, Lena - Vinyl Siding, Wood, Metal & Aluminum Siding Contractors - Installation & Repair
- Signs, Lena
- Silos & Equipment, Lena
- Skating Rink & Hockey Operation Services, Lena
- Snowmobile Dealers, Lena - Parts, Gear, Clothing & Accessories
- Social Services & Welfare, Lena
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- Societies & Foundation Associations, Lena
- Solar Energy Companies - Contractors, Lena - Solar Panel Installation - Solar Power Systems
- Specialty Animal Services, Lena
- Specialty Stores, Lena
- Sporting Goods Stores, Lena
- Stock Yards, Lena
- Stone, Lena
- Stone & Rock Quarry, Lena - Gravel Pit, Shale, Granite, Limestone, Crushed Rock, etc
- Stoves & Furnace Equipment, Lena - Fittings & Repair Parts
- Swimming Pools, Lena
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