JG 3 Stab IV./JG 3 and it's 14 staffel had Dora 9's
JG 4 Geschwader Stab used Dora 9
JG 6 different stafflen mix of Dora 9's A-9's
JG 11 experimental staffel with Ta 152H
JG 26 almost fully equipped with Dora variants
JG 51 had some Dora 9's on hand
JG 300 there has been talk that II. gruppe had Dora 9's on hand, I'd love to see fotos.
JG 301 all three gruppen had Dora 9's by spring of 1945, the II. gruppe first in December of 44. III. gruppe had the Ta 152H-0 and A-8's and R2's. At the end of January 1945 all Ta's transferred into Geschwader stab JG 301 with III. gruppe markings.