475's mission is to supply essential materials, building components, and knowledge that will lead a transformation of the North American construction industry toward making durable high-performance, Passive House and zero-energy buildings.

ming | architecture and design was founded by Grace Huang in 2001 to specialize in sustainable and healthy home building practices. Our projects are located throughout the Puget Sound region and our work has been recognized by green building programs and publications. Our custom home projects range from small remodels to whole new houses. We think of ourselves as the owners' coach and guide in the building process, and approach the house as a tailor would a well-fitted garment - the house needs to look and feel great for those living in it.

General contractor with 37 years of experience doing residential remodels, additions and new construction. Sunshine Construction has specialized in cost effective environmental building and remodeling since 1992.

At Northwest Hemp Builders, we work closely with you and your building site to design a cozy, sustainable home in harmony with nature. Using traditional forms and durable natural materials (strawbale, earth, stone and wood), we specialize in passive solar heating, daylighting, remodeling, and indoor-outdoor spaces.

batt + lear is a family-run Seattle business that has been dedicated to designing and building green since 1999.