The companies listed below are current LTO Format Specification Participants that have delivered LTO compatible products and components.
Companies listed with an asterisk are compliance verified manufacturers that have passed the compliance verification requirements to sell LTO Ultrium branded tape drives and cartridges.
- Hewlett Packard Enterprise*
- Spectra Logic
- Teijin Dupont Film
- Toray Industries
* = compliance verified manufacturer of LTO Ultrium branded tape drives and cartridges