WA · United States780K+ registered entities2,900 SEC-listed companies
Washington Companies — SEC EDGAR Data
Washington state is home to two of the world's most valuable companies — Microsoft (Redmond) and Amazon (Seattle). The state has no income tax and hosts a booming tech ecosystem including Expedia, Costco, Boeing's manufacturing operations, and a growing aerospace supply chain.
Incorporation note — No state income tax. Global tech hub — Microsoft and Amazon HQ. Major aerospace manufacturing.
Search Washington companiesRegistered entities
780K+
SEC-listed companies
2,900+
Primary registry
SEC EDGAR
State registry
Washington Secretary of
Notable Washington Companies
MicrosoftAmazonCostcoExpediaAlaska Air Group
What SEC data is available for Washington companies?
✓Company name & CIK number
✓State of incorporation
✓SIC industry code
✓Fiscal year end date
✓Ticker symbol (if listed)
✓10-K annual report filings
✓10-Q quarterly financials
✓8-K material event filings
✓XBRL structured financial data
✓Revenue & net income history
✓Institutional holdings (13F)
✓Insider ownership & transactions
Washington Company Registry
State registry: Washington Secretary of State
Federal registry: SEC EDGAR — all publicly listed companies file 10-K, 10-Q, 8-K, and proxy statements regardless of state of incorporation.