- Sniffer Technologies
- Snowden Township Ex Svc Men
- Soaring Adventures Of America
- Socrates Inc
- Socrates Inc Definity Health
- Socrates Inc Employers Life
- Socrates Inc John Deers Health
- Socrates Inc Lumenos Members
- Soffronoff-Krupski-Ichikawa
- Softcare Computer Consulting
- South Baldwin Social Club
- South Baldwin Volunteer Fire
- South Hills Anesthesia
- South Hills Auto Svc
- South Hills Beauty Salon
- South Hills Bowl
- South Hills Cement Contracting
- South Hills Country Club
- South Hills Cycle
- South Hills Glass
- South Hills Motel
- South Hills Sales & Svc Ctr
- South Hills Towing
- South Hills Urologic Assoc
- South Inc Realtors
