Polymaker PLA PRO Filament 2kg, Tough & High Rigidity Black*1_ White*1 3D Printing Filament, PolyLite PLA PRO 3D Printer Filament, Print with Most 3D Printers
The most engineering-minded consumer brand in this space. Polylite is their everyday PLA, PolyMax adds impact resistance, and PolyWood nails the timber look. They publish data sheets and actually explain what's in their formulations.