Museum of History and Industry

Center for Sex Positive Culture : Non-for-profit community center that advocates for sex positive culture and freedom

The Wormwood Society: Devoted to dispensing education and understanding about absinthe

B. Fuller's Mortar & Pestle creates seasonal infusion blends using the finest local and imported botanical products and will be providing Tea Service at the Ball

Steam-Con: Seattle's first annual Steampunk Convention

Vintage Costumes: Rental of authentic vintage costumes

Seattle Steamrats : A Northwest Steampunk Community

The Steampunk Workshop: "Jake" Von Slatt's Blog

Boing Boing - Steampunk Archives: a directory of wonderful Steampunk things.

The Steampunk Home: Steampunk interior design to make you drool.

Steampunk Magazine

GIZMODO : The Gadget Blog

Datamancer

Girl Genius: Brilliant entertaining web comic about a tinkering heroine named Agatha Heterodyne.