Laiva Oy Ritva was founded 8.8.1963. The steamer MAKE, owned by Oy Thombrokers Ab was sold to new company formed by four shareholders: Erkki Poikonen, Thombrokes chartering department manager, 55 shares, Eino Salmela, master of the MAKE, 20 shares, Erkki Hälikkä, 2nd officer 15 shares and Veikko Pitkänen, 3rd engineer 10 shares. The second steamer ss ROINE. Later the company went into voluntary liquidation.