betaflight/unified_targets/docs/Manufacturers.md

Manufacturer Ids

This is the official list of manufacturer ids (manufacturer_id in the target config) that will be supported for loading onto unified targets by Betaflight configurator.

Manufacturer Id	Name	Contact
CUST	'Custom', to be used for homebrew targets
AFNG	AlienFlight NG	https://www.alienflightng.com/
AIRB	Airbot	https://store.myairbot.com/
BKMN	Jason Blackman	https://github.com/blckmn
DRCL	dronercland	https://www.instagram.com/dronercland/
DYST	DongYang Smart Technology Co.,Ltd (dys)	http://www.dys.hk/
FFPV	Furious FPV	https://furiousfpv.com/
FLWO	Flywoo	https://flywoo.net/
HAMO	Happymodel	http://www.happymodel.cn/
HBRO	Holybro	http://www.holybro.com/index.html
IFRC	iFlight Innovation Technology Ltd.	https://www.iflight-rc.com/
MTKS	Matek Systems	http://www.mateksys.com/
RCTI	RCTimer	http://rctimer.com/
SPRO	Seriously Pro Racing (SP Racing)	http://seriouslypro.com/
TTRH	TransTEC	http://www.transtechobby.com/