- Securities America Inc
- Security Elevator Co
- Security Partners LLC
- Security Search & Abstract Co
- Security Services Of America
- Segro's Lancaster Hairport
- Select Realty Inc
- Select Security
- Select Transfer
- Self Storage Of Lancaster
- Senator Gibson E Armstrong
- Sencon Heating & Air Cond
- Senior Citizen Information
- Senorita Burrita
- Serena A Kirchner Inc
- Serta Mattress Co
- Seventh Ward Republican Club
- Sewing By Lois
- Shadowlight Group
- Shaklee Distributor
- Shaklee Distributor
- Shamrock Cafe
- Shank's Extracts Inc
- Sharp Innovations
- Sharp Jewelers
- Sharper Image Barber Shop II
- Shaub's Shoe Shop
- Shear Bliss Salon & Day Spa
- Shear Innovations
- Shear Revelation
- Shearer Industrial Supply Co
- Shearer's Barbacue Ranch
- Shelia Audet
- Shellenberger-Troop Insurance
- Shenk's Foods
- Shenk's Garage
- Shenks Poultry
- Shenks Poultry
- Shenks Upholstery
- Sherbahn Associates
- Sherbahn Associates
- Sherwin-Williams Paints
- Sherwin-Williams Paints