Mark Rogers, co-leader of Bytown Ukulele Group, is the owner of Bytown Ukuleles and Fleur de Lyre Music, known together as Bytown Instruments, a Canadian company. His home workshop is located in Ottawa, Ontario, Canada.
- Mark sells ukuleles and is the Canadian distributor for Mainland Ukes and Romero Creations.
- He carries a full line of ukulele parts like strings, necks, bridges, saddles, nuts, and resonator parts.
- He sells accessories including tuners, humidifiers, straps, and stands etc.
- He does in-shop instrument set up, maintenance, repair, restringing, and customization.