Washington Asphalt Pavement Association - WAPA - Represents hot mix asphalt producers within the state. Features pavement guides, conferences and scholarships. Southwest Washington Chapter - NECA - Serves six southwest Washington counties. Member-firms are electrical contractors serving many communities in the South Puget Sound area. AIA Washington State Council - Washington state government architectural issues and links, links to architecture related sites and to state AIA chapter sites. Aztech Electric, Inc. - Northwest electrical contractor company founded in 1968. Links and information on services, projects, and affiliations. Offices in Spokane and Woodinville. National Electrical Contractors Association - NECA - Cascade Chapter - Organization for electrical contractors located in or traveling to northwestern and north central Washington. Northwest Architectural Company - A firm of over 120 professionals led by 17 principal architects with offices in Seattle and Spokane. Lydig Construction Inc. - Commercial contractors and construction management company specializing in industrial, building and concrete projects, with offices in Bellevue and Spokane. Roofing Contractors Association of Washington - A trade association for commercial and residential roofing contractors, manufacturers, distributors, and industry professionals. Associated General Contractors of Washington - Washington state trade association, serving the commercial construction industry. Offers programs involving government and labor relations, group insurance, workplace safety, workforce development. Building Industry Association of Washington - Dedicated to ensuring and enhancing the vitality of the building industry for the benefit of its members and the housing needs of the citizens. Construction Industry Training Council of Washington - State-licensed, nationally accredited, construction training program for beginning and advanced construction professionals. Puterbaugh Construction - Industrial construction contractor offering industrial construction and remodeling and concrete installation services. Donogh Homes - Full service home builder offering services from initial design through completed construction. Integrus Architecture - Architects and engineers with offices in Spokane and Seattle.