WUltralight trike
WAero Nord
WAeros
WAeros ANT
WAeros-2
WAir Creation GT
WAir Creation Racer
WAir Creation Skypper
WAir Creation Tanarg
WAirborne Edge
WAirborne Windsports
WAirborne XT
WAirbridge (ultralight aircraft manufacturer)
WAntares MA-32
WApollo Ultralight Aircraft
WAvio Design
WBuckeye Industries
WCarpenterie Pagotto
WCosmos ULM
WDTA Combo
WDTA Feeling
WDTA sarl
WElectravia Electro Trike
WEllipse (manufacturer)
WEvolution Revo
WExplorair
WFlight Team
WFlylight
WFlylight Dragonfly
WFlylight Motorfloater
WIcaro 2000
WJunkers Profly Junkers Trike
WKrasniye Kryl'ya
WLeading Edge Air Foils
WMainair Blade
WMedway Microlights
WNanolight
WNorth Wing Maverick
WP&M GT450
WP&M PulsR
WPegasus Quantum
WPegasus Quik
WPolaris AM-FIB
WPolaris FIB
WPolaris Motor
WRamphos Trident
WSabre 340
WSabre Aircraft
WSabre Wildcat
WSea and Sky Cygnet
WSilent Family
WSkyrider Flugschule
WSolid Air Diamant LP
WSolid Air UL-Bau Franz
WSolo Wings
WSun Flightcraft
WTecma Sport
WTL–Ultralight
WTrikeBuggy Delta