- Bussmann:
| Fuses | PC Board Fuses |
| North American & European standards | Fuse-blocks, fuse-holders, & clips |
- Optifuse: primary focus is electronic and automotive markets.
| Fuses | Fuse-holders |
| Circuit Breakers | Fuse-clips |
- Sunled: Optoelectronic products, LED lamps, surface mount LEDS, displays and customs available.
- Zeus Battery Products: Leading manufacturer of replacement batteries, battery chargers, and custom battery packs.
Heartland Electronics 