• PTM Edge

• PTM Watersports

• Quick

• RAILBLAZA

• Rapala

• RapidPure

• Raritan

• Raymarine

• Regitar U.S.A.

• Revolve

• Ritchie

• Rod Saver

• ROLA

• Ronstan

• Roswell Marine
• RUPES

• Rupp Marine

• Safe-T-Alert

• Samlex America

• Scandvik

• Scanstrut

• Schaefer Marine

• Schmitt Marine

• Scotty

• Scotty Seeker
• Scout

• Sea Brackets

• Sea Swivel

• Sea-Dog

• SeaDek

• Sebba Shade

• Secure Outdoors

• SEEKR by Caframo

• SEM

• Sensar Marine

• Shakespeare

• Shark Seating

• SHOCK-WBV

• ShoreHitch

• Shurhold