- Ability Opto-Electronics Corp - Lenses and filters for cameras and projectors.
- AVX - Suplier of a variety of electronic components.
- Bourns - A large variety of switches, resistors, and pots.
- Custom Coils - Supplier of magnetics.
- ICE Components, Inc. - Transformers and magnetics
- Linear Technologies - Manufacturer of a wide variety of ICs. Note LTC4053 - USB battery Charger
- Marshal Electronics - Optical components - A distributor of optical components such as lenses.
- Quick Filter Technologies - Has a nifty 512 tap FIR filter coprocessor/engine which communicates over a SPI.