Here are links to the websites of bicycles & frames that can be purchased through The Broken Spoke.
Independent Fabrication – extremely nice custom hi-end steel and titanium frames
KHS – manufactures road, track, mountain, tandem, folding, cruiser, and youth bicycles, as well as Free Agent BMX bicycles
Kona – excellent full-suspension & hardtail mountain bikes, great cyclocross bikes, & some very excellent city/commuter bicycles – a shop favourite!
Origin8 - some folding bikes, an awesome & cheap fat bike, & some urban bikes
Redline – cyclocross, commuter, & mountain bikes
Soma – a San Francisco company that produces some nice steel frames
Sun – retro cruisers, adult trikes, recumbents, and more
Surly – good, cheap, & strong – a shop favourite!
VooDoo – one of my personal favourites
Waterford - more custom steel!