Islip Avionics Inc. provides a wide range of aircraft avionics systems including from but not limited to the following manufacturers:
- Air Cell
- Aspen Avionics
- Avidyne
- Avionics Innovations
- Hawker Beechcraft
- Bendix/King
- Bose
- Century Flight Systems
- Cessna
- Cirrus
- David Clark
- Dynon Avionics
- Electronics International
- Eventide
- Flight Display Systems
- Garmin
- Insight Avionics
- Jeppesen
- J.P. Instruments
- L3 Communications
- Mooney
- Northern Airborne
- Northstar
- Piper
- PS Engineering
- Ryan International
- Sandel
- Sennheiser
- Shadin
- Sigma-Tek
- Megett Avionics
- Tanis Aircraft Services
- Telex, TruTrak
- VAL Avionics
- Voiceflight Systems
- WSI
- XM Satellite Radio
