Skip to content
cta-logo
About
Membership Directory
Staff
Board of Directors
Our Work
Committees
Awards
Entrepreneur Opportunities
CASCADIA CLEANTECH PRIZE
Workforce Development
Public Policy and Advocacy
The Clean Energy Fund
Events
CleanTech Alliance Events Calendar
2026 Washington State Fusion Week
2026 CleanTech Innovation Showcase
CleanTech Alliance Awards
Perkins Coie Lunch Series
CleanTech Advocacy Day
Sponsorship
News
Alliance News
Member News
Industry News
Public Policy News
Commentary
Subscribe to our Newsletters
Belong – Benefits of Joining
Member Benefits
Health Trust
CleanTech Alliance Retirement Edge
Member Login
Contact
Members
Member Type:
Gold member
Avista Utilities
Spokane, WA 99202
Utilities & Smart Grid
CarbonQuest
Spokane, WA 99224
Building Technology & Construction
CenTrio Energy
Seattle, WA 98101
Utilities & Smart Grid
City of Seattle, Office of Economic Development
Seattle, WA 98107
Professional Services
Energy Northwest
Richland, WA 99354
Utilities & Smart Grid
Helion Energy
Everett, WA 98203
Utilities & Smart Grid
McKinstry
Seattle, WA 98134
Building Technology & Construction
Mitsubishi Corporation (Americas)
Seattle, WA 98101
Funding
,
Transportation
Premera
Mountlake Terrace, WA 98043
Professional Services
Puget Sound Energy
Bellevue, WA 98004
Utilities & Smart Grid
Siemens
Portland, OR 97208
Information Technology
Sila Nanotechnologies
Moses Lake, WA 98837
Manufacturing & Materials
Snohomish County
Everett, WA 98201
Remediation and Recycling
Snohomish County PUD
Everett, WA 98206
Utilities & Smart Grid
Stoel Rives LLP
Seattle, WA 98101
Professional Services
Tacoma Public Utilities
Tacoma, WA 98409
Utilities & Smart Grid
Washington State Department of Commerce
Seattle, WA 98121
Zap Energy Inc.
Everett, WA 98203
Utilities & Smart Grid
