eSUN PLA Basic Refilament, 3D Printer Refill High Speed PLA for Fast Printing, 1KG Spoolless 3D Printing Filament for High Speed 3D Printers, 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.