Where to Buy Montessori Equipment?

We have gotten a few questions about where to purchase equipment, so here are a few ideas:

Nienhuis
The original Montessori equipment manufacturer. Super pricey. Great quality.

Alison's Montessori
We have never purchased anything here, but the prices and material look good.

Etsy stores have some amazing people with fabulous handmade products. Here are two of our favorites:
Goose Designs
Just Hatched

Montessori for Everyone has an excellent and thorough set of affordable printable material