The Washington Clean Technology Alliance now has 240 member companies.  Thanks to our newest and renewing members!

3TIER helps the global energy market manage renewable energy risk. A pioneer in wind and solar generation risk analysis, 3TIER uses weather science to frame the risk of weather-driven variability – anywhere on earth, across all time horizons. With offices serving North America, Europe, the Middle East, Africa, India, Latin America, and the Asia Pacific region, 3TIER has global reach with products and services spanning renewable energy project feasibility, energy marketing, and asset management. 031814

America 1st Roofing & Builders, Inc. is a roofing and siding contractor that was founded in 1986. 032814

Berkey Engineering has offered construction engineering services since 2003. 031814

Cairncross & Hempelmann is a nationally-recognized, client-focused law firm with offices located in Seattle’s historic Pioneer Square District. Founded in 1987, our firm represents businesses with their legal needs across all major industries. 031814

Caliber Electric Inc. was established in 1997, with the philosophy that “we can do it better”. CEI works primarily on federally funded projects for the military. Our quality and professional manner is unsurpassed in our market. We presently have 9 electricians and tools and trucks enough for 28 electricians. 031814

Craftwall, Inc. is a manufacturer of roof trusses in the Tri-Cities.  The company specializes in the most complicated roof systems to the simplest of garden sheds. 040714

DAE Corporation is an insurance broker serving the Puget Sound region. 040714

Economic Development Council of Seattle and King County (EDC) is a public-private economic development partnership encompassing King County and its 39 cities. Formerly known as enterpriseSeattle, we provide one-on-one, confidential consulting services, free-of-charge, to individual businesses seeking to establish, expand or relocate to Seattle and King County. 031814

EnerG2 manufactures high performance carbon materials that enable new levels of energy storage device performance. EnerG2’s mission is to produce engineered materials for energy storage at prices and performance levels that enable entirely new storage applications. 040214

Habitat for Humanity Seattle-King County brings people together to build homes, communities, and hope. 040714

Hansen Belyea distills everything they learn about their client’s organizations into simple and powerful ideas that others can easily recognize and embrace.  Translating the business vision into action that employees live and customers experience starts with defining and developing brand. 031814

Highland Refrigeration designs, manufactures, and distributes industrial refrigeration plants throughout North America and the Pacific rim. 031814

Hydrobee is an award-winning startup company developing a USB turbine battery that harvests renewable energy from many sources t power phones, lights and other micro-devices. 040714

Johnson & Hunter / American Style Company is a high-end specialty residential construction company, utilizing green construction methods. 032814

Leavitt Group Benefits NW provides clients with greater market access, specialty products, and a wide-range of insurance programs. Clients receive employee benefits insurance solutions, property and casualty insurance, risk management strategies, among other services. Clients benefit from our consultative approach to risk management and the unique flexibility that comes with local agencies. The Leavitt Group consists of affiliated independent insurance agencies with over 125 locations nationwide and is ranked the 7th largest privately-held insurance brokerages. 040714

Orcas Excavators Inc. is a family-owned and operated business with over 36 years of experience. We proudly serve Orcas Island and San Juan Islands. We provide a full selection of affordable excavating services for all your construction needs. You can rely on our excavating contractors for any size project, big or small. 032814

Russell Crane Service has been in business since 1972. We are a family owned business providing cranes for rental ranging from 20-ton to 440-ton capacity to the entire area and we are the company that can assist you in your requirements for craning. 032814

Stoel Rives has represented major national and international energy developers and investors in wind, biofuels, solar, biomass,  ocean and tidal and geothermal energy projects throughout the United States and abroad. We also work with companies developing innovative technologies for the renewable energy market, including in advanced biofuels, energy efficiency, climate change, RECs and carbon credits. Our Cleantech Group represents clients in the energy, finance and technology sectors. Businesses at all stages of development – from start-ups to established technology giants – look to us for deep industry experience and contacts, practical advice and a full range of legal services. 032814

Washington Architectural Hardware Co. is a distributor of wood and hollow metal doors and frames; door hardware; commercial restroom and specialty items. 040714

X-L Overhead Construction is a privately owned, full service, engineering and construction company servicing the cable television and telecommunications industries. 040714

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