- Alpha:
| PVC tubing | Spiral wrap |
| Zipper tubing | Teflon tubing |
| Polyolefin tubing | Expandable sleeving |
- Sumitomo: Leading manufacturer of heat-shrinkable tubing.
| Kynar | CSA |
| PVC | MIL23053 |
| Tubing | NAS |
| UL (VW1) | Commercial termination sleeves |
- Zeus: Leading manufacturer of standard teflon tubing and heat-shrinkable teflon tubing. aerospace, automotive, electronic, food and beverage, medical and military industries.
| Aerospace | Electronic |
| Automotive | Food & Beverage |
| Electronic | Medical & Military |
- Zippertubing: Jacketing and shielding materials with unique closure methods that provide additional wire protection.
Heartland Electronics 