Inboard pleasure engines
Ilmor Marine
US maker of MV8 gasoline inboard and One-Drive sterndrive engines, sole engine supplier to MasterCraft, plus the ION electric outboard.
Sterndrives
4 companies
Filter companies: Sterndrives
Petrol outboards
Mercury Marine
Brunswick-owned US maker of outboards (2.5–600 hp), MerCruiser sterndrives/inboards, Mercury Diesel and Avator electric outboards.
Inboard pleasure engines
Pleasurecraft Engine Group (PCM / Crusader)
US maker of PCM direct-injection inboard tow-sports engines and Crusader marine engines; part of Correct Craft since 2014.
Yacht & leisure engines
Volvo Penta
Volvo Group's marine and industrial power brand: inboard diesels, IPS pod drives, Aquamatic sterndrives and electric/hybrid IPS.