First I obsessively translated Hachi's Twitter. Then I decided to branch out a little.
Note that since some of the producers whose Twitters I initially decided to translate have gotten inactive or practically left Vocaloid, I've "retired" some... Or in some cases, I've just retired from doing them.

DECO*27 (@DECO27)

Den (@denugrw) (Retired)

Furukawa (@fullkawa_honpo) (Retired)

Lasah (@lasah_ichijo)

mayuko (@mayuko_pink) (Retired)

OSTER project (@fuwacina)

papiyon (@papiyon_cyoucyo) (Retired)

Scop (@scopscop)

Task (@task_plus9) (Retired)

wowaka (@wowaka) (Retired)