3d printer filaments from US brands and US-based sellers
Amazon ranks by what sells fastest, so a 3d printer filament from an established brand gets buried under cheap imports no matter how far you scroll. This page lists the US brands and US-based sellers for 3d printer filaments, so you can start from the ones worth trusting.
We read each seller's registered country from Amazon's own published seller info. We don't claim anything here is manufactured in the US, only that you're buying from a US brand or a US-based seller.
Confirmed US brands and sellers
7 listings where Amazon's own seller info places the seller in the US. Each badge says which.

OVERTURE PLA Filament 1.75mm, Neatly Wound 3D Printer Filament 1kg Spool (2.2lbs), Dimensional Accuracy +/- 0.02 mm, Fit Most FDM 3D Printers (Black 1-Pack)

Polymaker PETG Filament 1.75mm Black 1KG, High Speed, 2.2 Lbs

SainSmart Light Weight Filament 1.75mm, 1KG, LW-PLA Low-Density Active Foaming 3D Printer Filament for RC Planes Drone Parts and Cosplay, White PLA Filament

Gizmo Dorks PLA Filament for 3D Printers 1.75mm 200g, 4 Color Pack Multicolor (Original-Blue, Green, Orange, Red)

HATCHBOX 1.75mm Black PLA 3D Printer Filament, 1 KG Spool, Dimensional Accuracy +/- 0.03 mm, 3D Printing Filament

Inland PLA Basics Filament 1.75mm, 1kg Spool – Dimensional Accuracy ±0.02mm, Neatly Wound, Fits Most FDM 3D Printers (Black, 1 Pack)

Makerbot Tough Pla 1.75mm Filament 0.9kg, 2lb (Orange)
US brands we went looking for
More names an AI suggested for this category that we haven't confirmed US on yet. Each badge says how far we've checked it.

Amazon Basics TPU 3D Printer Filament, 1.75mm, Red, 1 kg Spool (2.2 lbs)

Atomic Filament PETG PRO 3D Printer Filament, 1.75mm +/-0.02mm Dimensional Accuracy 99% Probability – 1KG (2.2lbs) – AMS Compatible – Fits Most FDM Printers (Deep Black, 1KG)

NinjaTek - 3DNF0117510 3DNF01117510 NinjaFlex TPU Filament, 1.75mm, TPE, 1kg, Midnight (Black) (Pack of 1)

Protopasta Stainless Steel Filled PLA 3D Printer Filament | ProtoPlant Metal-Filled PLA Plastic Printer Filament with 60% Steel | Polish and Patina Friendly Metal Composite Filament | 500g Spool

ZYLtech 3D Printer Filament PLA 1.75 mm 1 kg/2.2 lbs Pink
Suggested, not verified. These names came from an AI suggestion, not from our data. We only call a brand US after checking the seller's registered address on its Amazon seller page. Nobody has opened these yet. Open one and it's settled for everyone.