Headquarters state · WA

Public companies headquartered in Washington

38 of the companies OpenFilings tracks list a business address in Washington. The most common cities are Seattle (17), Bellevue (4), Vancouver (4), Everett (2), Redmond (1), Issaquah (1), Tacoma (1), Liberty Lake (1).

SEC EDGAR snapshot updated Oct 27, 2026, 11:27 PM EDT. Not investment advice.

Companies based in Washington

Public companies headquartered in Washington
#CompanyIndustry (SIC)Latest filingRevenue (latest FY)
4MSFT MICROSOFT CORPServices-Prepackaged SoftwareOct 27, 2026$331.8BFY2026
5AMZN AMAZON COM INCRetail-Catalog & Mail-Order HousesOct 6, 2026$716.9BFY2025
23COST COSTCO WHOLESALE CORP /NEWRetail-Variety StoresOct 27, 2026$303.2BFY2026
92TMUS T-Mobile US, Inc.Radiotelephone CommunicationsSep 28, 2026$88.3BFY2025
142SBUX STARBUCKS CORPRetail-Eating & Drinking PlacesOct 22, 2026$37.2BFY2025
284PCAR PACCAR INCMotor Vehicles & Passenger Car BodiesOct 27, 2026$28.4BFY2025
411EXPE Expedia Group, Inc.Transportation ServicesOct 16, 2026$14.7BFY2025
513FFIV F5, INC.Computer Communications EquipmentOct 27, 2026$3.1BFY2025
516EXPD EXPEDITORS INTERNATIONAL OF WASHINGTON INCArrangement of Transportation of Freight & CargoSep 16, 2026$11.1BFY2025
517CPNG Coupang, Inc.Retail-Catalog & Mail-Order HousesOct 5, 2026$34.5BFY2025
627FTV Fortive CorpIndustrial Instruments For Measurement, Display, and ControlSep 28, 2026$4.2BFY2025
728WY WEYERHAEUSER COReal Estate Investment TrustsOct 27, 2026$6.9BFY2025
999COLB COLUMBIA BANKING SYSTEM, INC.State Commercial BanksOct 27, 2026$177.0MFY2025
1039ZG ZILLOW GROUP, INC.Services-Business Services, NECSep 21, 2026$2.6BFY2025
1298RELY Remitly Global, Inc.Services-Business Services, NECOct 27, 2026$1.6BFY2025
1315PI IMPINJ INCElectronic Components, NECOct 27, 2026$361.1MFY2025
1519ALK ALASKA AIR GROUP, INC.Air Transportation, ScheduledOct 20, 2026$14.2BFY2025
1529ADPT Adaptive Biotechnologies CorpBiological Products, (No Diagnostic Substances)Oct 26, 2026$277.0MFY2025
1531ITRI ITRON, INC.Instruments For Meas & Testing of Electricity & Elec SignalsOct 27, 2026$2.4BFY2025
1672AVA AVISTA CORPElectric & Other Services CombinedOct 1, 2026$2.0BFY2025
1807BANR BANNER CORPState Commercial BanksOct 21, 2026—FY2025
1907WAFD WAFD INCNational Commercial BanksOct 23, 2026$29.6MFY2025
1933IMNM Immunome Inc.Pharmaceutical PreparationsOct 5, 2026$6.9MFY2025
1957LASR NLIGHT, INC.Semiconductors & Related DevicesOct 19, 2026$261.3MFY2025
1959PRCH Porch Group, Inc.Accident & Health InsuranceOct 22, 2026$482.4MFY2025
2094KMTS KESTRA MEDICAL TECHNOLOGIES, LTD.Surgical & Medical Instruments & ApparatusOct 27, 2026$95.1MFY2026
2145ABSI Absci CorpServices-Commercial Physical & Biological ResearchOct 27, 2026$2.8MFY2025
2168SVV Savers Value Village, Inc.Retail-Miscellaneous RetailOct 21, 2026$1.7BFY2026
2260TRUP TRUPANION, INC.Hospital & Medical Service PlansOct 13, 2026$1.4BFY2025
2285GTM ZoomInfo Technologies Inc.Services-Prepackaged SoftwareOct 19, 2026$1.2BFY2025
2315OMER OMEROS CORPPharmaceutical PreparationsSep 24, 2026—FY2025
2330HFWA HERITAGE FINANCIAL CORP /WA/Savings Institutions, Not Federally CharteredOct 27, 2026$314.2MFY2025
2480NWPX NWPX Infrastructure, Inc.Steel Pipe & TubesOct 16, 2026$526.0MFY2025
2582BBSI BARRETT BUSINESS SERVICES INCServices-Help Supply ServicesOct 13, 2026$1.2BFY2025
2663SANA Sana Biotechnology, Inc.Biological Products, (No Diagnostic Substances)Oct 6, 2026—FY2025
2678CCB COASTAL FINANCIAL CORPState Commercial BanksOct 1, 2026$429.6MFY2025
2684AGNT AGNT, Inc.Real Estate Agents & Managers (For Others)Oct 13, 2026$4.8BFY2025
2718ACHV ACHIEVE LIFE SCIENCES, INC.In Vitro & In Vivo Diagnostic SubstancesOct 6, 2026—FY2025

Ranked by position in the SEC company ticker list (roughly by market value). The headquarters state comes from the business address in EDGAR and can differ from the state of incorporation.

Largest industries in Washington

Latest reports from Washington companies

Recent filings by companies headquartered in Washington
FiledCompanyFormWhat it isOriginal
Oct 27, 2026COLB COLUMBIA BANKING SYSTEM, INC.8-KDirector or officer change· period Oct 27, 2026Document · Index
Oct 27, 2026FFIV F5, INC.8-KResults of operations; Other events· period Oct 23, 2026Document · Index
Oct 27, 2026ITRI ITRON, INC.8-KResults of operations· period Oct 27, 2026Document · Index
Oct 27, 2026ITRI ITRON, INC.10-QQuarterly report· period Sep 30, 2026Document · Index
Oct 27, 2026PCAR PACCAR INC8-KResults of operations· period Oct 27, 2026Document · Index
Oct 22, 2026COLB COLUMBIA BANKING SYSTEM, INC.8-KResults of operations; Regulation FD disclosure· period Oct 22, 2026Document · Index
Oct 22, 2026HFWA HERITAGE FINANCIAL CORP /WA/8-KResults of operations; Regulation FD disclosure; Other events· period Oct 22, 2026Document · Index
Oct 21, 2026BANR BANNER CORP8-KResults of operations; Regulation FD disclosure; Other events· period Oct 21, 2026Document · Index
Oct 21, 2026MSFT MICROSOFT CORPDEF 14ADefinitive proxy statement· period Dec 8, 2026Document · Index
Oct 20, 2026ALK ALASKA AIR GROUP, INC.8-KResults of operations; Regulation FD disclosure· period Oct 20, 2026Document · Index
Oct 19, 2026GTM ZoomInfo Technologies Inc.8-KMaterial agreement· period Oct 16, 2026Document · Index
Oct 16, 2026COST COSTCO WHOLESALE CORP /NEW8-KDirector or officer change· period Oct 13, 2026Document · Index
Oct 16, 2026WAFD WAFD INC8-KResults of operations· period Oct 15, 2026Document · Index
Oct 14, 2026COST COSTCO WHOLESALE CORP /NEW8-KOther events· period Oct 14, 2026Document · Index
Oct 13, 2026PRCH Porch Group, Inc.8-KMaterial agreement; Unregistered equity sale; Regulation FD disclosure· period Oct 13, 2026Document · Index
Oct 8, 2026AGNT AGNT, Inc.8-KDirector or officer change· period Oct 2, 2026Document · Index
Oct 7, 2026COST COSTCO WHOLESALE CORP /NEW10-KAnnual report· period Aug 30, 2026Document · Index
Oct 5, 2026IMNM Immunome Inc.8-KMaterial agreement; Unregistered equity sale· period Oct 2, 2026Document · Index
Oct 5, 2026WAFD WAFD INC8-KRegulation FD disclosure· period Oct 2, 2026Document · Index
Oct 1, 2026ACHV ACHIEVE LIFE SCIENCES, INC.8-KDirector or officer change· period Oct 1, 2026Document · Index
Sep 30, 2026COLB COLUMBIA BANKING SYSTEM, INC.8-KRegulation FD disclosure· period Sep 30, 2026Document · Index
Sep 29, 2026ALK ALASKA AIR GROUP, INC.8-KRegulation FD disclosure· period Sep 29, 2026Document · Index
Sep 28, 2026CCB COASTAL FINANCIAL CORP8-KOther events· period Sep 28, 2026Document · Index
Sep 24, 2026COST COSTCO WHOLESALE CORP /NEW8-KResults of operations· period Sep 24, 2026Document · Index
Sep 24, 2026SBUX STARBUCKS CORP8-KExit or disposal costs; Regulation FD disclosure· period Sep 22, 2026Document · Index

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Source

  • U.S. Securities and Exchange Commission, EDGAR company submissions (business address) and XBRL company facts. The SEC does not endorse OpenFilings.