These are all I could Think of off the bat:
Duncan
YoYoFactory
YoYoJam
Spyy
CLYW
ILYY
One Drop
General Yo
Big Brother
44re:creation
Spintastics
Tom Kuhn
Bist
Barco
3Yo!3
Werrd
YoYoFactory
YoYoJam
Duncan
Hugo Z Hor
Auldey
Takuto.Design
B!st
SPYY
CLYW
General Yo
YoYo Recreation
One Drop
Big Brother YoYos
Tom Kuhn
Werrd
3Yo3
I love yoyo
String Theory Yoyos
Yomega
Bandai (Yes Really)
AODA
Alchemy
HiCOO
Born Crucial
Madhouse
Oxygene
Anti-Yo
yyf
yyj
zeekio (■■■■■■■’s brand)
BBYY
1drop
ICKYO
rec rev
h spin
crucial
alchemy
hugo (not sure what the name is but they made the hugo z hor)
tom kuhn
duncan
bandai
clyw
spyy
hicco (probably spelled wrong)
3yo3
madhouse
general yo
ilyy
now its getting hard to think of more lol
jazz yo
death by yoyo
vs newton yoyo concepts
anti yo
kyo
x-yo (i think thats the name)
yomega
aoda (doesnt really count since they rip off everything)
turning point
chico yoyo company
oxy
b!st
AnY yo (or yoyo i cant recall)
and thats all i can think of off the top of my head
No joke…i just thought it off the top of my head and wrote it down…made a list that took me like 20 minutes to make then i posted…there not in alpha order…it may look like it but it’s not…
YYF
YYJ
44re / yoyorecreation
Hicco
Takuto design
Auldey (not much to say. Nice virus and L3 though. And i still lookin for inca)
Aoda (with many rip off. But i realy like the royal star)
3yo3
Rosyo (indonesia by oke rosgana)
Adegle (taiwan)
C3 (hongkong)
Dif-e-yo
K2J (china)
Jazz yo (also chinese)
Cowa (another chinise)
1drop
Rec Rev
Kyo
X-yo
Yoyojoca
Tom Kuhn
Chico yoyo
Hot yo
Mad house
General yo
Hspin
Japan technology
T3K (belgium)
B!ST
Buzy On
Throw Down
Alchemy
Big Brother Yoyo
Death By Yoyo
Crucial
CLYW
Cold Metal
Duncan
ILYY
Oxygene
Rollout
SPYY
Werrd
Yomega
Anti Yo
AnY
Turning Point
Shinwoo
Japan techology
Radiyoactive
I cant think any again
This thing make me busy for almost 20 minute