If I listed stringed instruments...it would go back 50+ years.

Fender
Gibson
Gretch
Martin
Flatiron

Owned a Saga music franchise back in the late 60's.

Taylor(owned part of a franchise in the early years) still have or have owned about a dozen or so Taylor guitars with my son.

Several Chinese, Japanese, Asian instruments

Handbuilt LaPlant Mandolin. Handbuilt Kennedy guitar.

Since I'm a real newbie to keyboards:

Roland digital piano..1990?
Casio Privia...2003?
Casio keyboards that went to kids and grandkids over the years.

Yamaha E423
Yamaha S710
Yamaha S950
Tyros 4
My kids/brother are keyboardists, I'm just learning.

PA Systems

Peavey
Kustom
Yorkville
Mackie
Yamaha
Fender
JBL
HK
Bose
EV

Mostly something line array now.

Microphones.

Almost every brand. Rode and Sennheiser my main brand now. Like others, gave away lots of mikes to the church.