Gas Utilities Directory
Washington — WA
Published gas utilities serving Washington with verified contacts, service-area evidence, and source links.
GCC provides directory information only. Listings are not legal advice, regulatory advice, endorsements, or guarantees of utility service eligibility.
Verified means GCC confirmed utility identity, retail gas-distribution status, and state-service evidence against authoritative sources.
Service-area summaries are high-level and do not guarantee service at a specific address. Contact the listed utility directly for address-level eligibility.
2 published utilities
Results include published records with verified status, utility and state-service sources, and a confirmation date.
Investor-Owned · Major Regulated
States served: Washington — WA
Customer classes: Commercial, Residential
Last confirmed: Aug 27, 2026
Service area: Natural gas distribution in Washington and Oregon (WA primary row; WA tariff territory per Rate Schedule 503 availability clause).
Municipal · Municipal System
States served: Washington — WA
Customer classes: Commercial, Residential
Last confirmed: Aug 24, 2026
Service area: City of Ellensburg and Kittitas County; 140+ miles of distribution mains; 5,000+ customers (city natural gas utility page).
