80/20
Online supplier of T-slot aluminum building system

Artist and Craftsman Supply
580 Massachusetts Ave, Cambridge, MA 02139
Local art supply store in Central Square

Blick Art Materials
619 Massachusetts Ave, Cambridge, MA 02139
Local art supply store in Central Square

Boulter Plywood Corporation
435 Riverside Ave, Medford, MA 02155
Local wood supply

Harbor Freight Tools
30 Commercial St, Medford, MA 02155
Retail hardware chain

Hillside TrueValue Hardware
325 Boston Ave, Medford, MA 02155
Local hardware store 

Home Depot
Retail home improvement chain 

Micro Center
730 Memorial Dr., Cambridge, MA 02139
Electronics store

McMaster-Carr
Online hardware, tool, and raw material supplier

Rockler Woodworking and Hardware
2154 Massachusetts Ave, Cambridge, MA 02140
Woodworking tools and supplies

Tools Today
Online industrial cutting tool supplier