This model list is based on my old website, but I've improved it somewhat:

* "Early Buffet-Crampon" models (no roller keys; no Evette & Schaeffer engraving)
* "Early Evette & Schaeffer" models (no roller keys)
* "Non-Patented" Evette & Schaeffer models (roller keys)
* Evette & Schaeffer System models
* Apogee models
* "Early Buffet 'Evette' models"
* Buffet-Powell models (two versions)
* "SA Series"
* Dynaction
* SuperDynaction
* "SuperDynaction/S1 Transitional"
* S1
* S1 Prestige (or just "Prestige")
* S2 (some are Keilwerth stencils)
* "S3 Prestige" (some have mainly Keilwerth keywork)
* Buffet Expression (a Keilwerth SX90 stencil)
* Senzo (produced in partnership with Julius Keilwerth)