eSUN PLA+ Refilament and Upgarded eSpool+ Set, Reusable and Removable Filament Spool Replacement with 3D Printer Refill PLA Plus, 1KG Spoolless 3D Printing Filament, Grey

Founded in 2002, eSUN compounds polymer in-house and supplies raw material to a number of white-label brands. Their own catalog covers PLA through high-temperature engineering grades — one of the broadest material ranges from a single manufacturer.