Contracts – Manufacturer MSRP Pricing
- Salamander Designs
- Samsung
- Screen Innovations
- Sennheiser Integrated Systems
- Sennheiser Pro Audio
- Sennheiser RF Wireless
- Sharp Pro
- Shure
- SMART Technologies
- SMART Technologies-Business
- Sony
- Soundcraft
- Sound Control Technologies
- Soundtube-Phase Tech-Rockustics-Solid Drive
- Spectrum Industries
- Spinetix
- Studer
- SurgeX
- Switchcraft
- Symetrix