23,574 retirement and health plans are sponsored by employers based in Washington, holding $557.6B in assets across 10,223,977 active participants.
| Sponsor / Plan | City | Participants | Assets |
|---|---|---|---|
| The Boeing Co. and Consolidated Subsidiaries The Boeing Company 401(k) Retirement Plan | Seattle | 143,146 | $73.9B |
| Microsoft Corporation Microsoft Corporation Savings Plus 401(k) Plan | Redmond | 123,878 | $65.6B |
| Western Conference of Teamsters Pension Trust Fund Board of Trustees Western Conference of Teamsters Pension Plan | Seattle | 231,353 | $56.4B |
| Costco Wholesale Corporation Costco 401(k) Retirement Plan | Issaquah | 212,976 | $41.0B |
| Amazon.COM Services, LLC Amazon 401(k) Plan | Seattle | 1,207,759 | $34.6B |
| Amazon.COM Services,LLC A Single-Employer Plan | North Seattle | 1,209,303 | $26.2B |
| The Boeing Co. and Consolidated Subsidiaries The Pension Value Plan for Employees of the Boeing Company | Seattle | 27,197 | $23.3B |
| The Boeing Co. and Consolidated Subsidiaries The Boeing Company Employee Retirement Plan | Seattle | 30,211 | $15.4B |
| Providence Health & Services 401(k) Savings Plan | Renton | 88,899 | $10.1B |
| T-Mobile USA, Inc. T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust | Bellevue | 69,015 | $9.1B |
| Providence Health & Services Providence Health & Services 403(b) Value Plan | Renton | 39,977 | $6.5B |
| Starbucks Corporation Starbucks Corporation 401(k) Plan | Seattle | 220,791 | $4.9B |
| St.Joseph Health System St. Joseph and Covenant Health Systems 401(k) Plan | Renton | 30,166 | $4.5B |
| Nordstrom, Inc. Nordstrom 401(k) Plan | Seattle | 58,257 | $4.3B |
| Board of Trustees, Locals 302 & 612 of the IUOE - Locals 302 & 612 of the IUOE - Employers Construction Industry Retirement Plan | Seattle | 7,978 | $3.3B |
| Schweitzer Engineering Laboratories, Inc. Schweitzer Engineering Laboratories, Inc. Employee Stock Ownership Plan | Pullman | 4,345 | $3.2B |
| Paccar Inc. Paccar Inc. Savings Investment Plan | Bellevue | 10,793 | $2.9B |
| Paccar Inc. Paccar Inc. Retirement Plan | Bellevue | 10,251 | $2.7B |
| Alaska Airlines, Inc. Alaska Airlines, Inc. Pilots Investment and Savings Plan | Seattle | 3,422 | $2.6B |
| Board of Trustees, Sound Retirement Trust Sound Retirement Trust | Bothell | 75,402 | $2.6B |
| Weyerhaeuser Company Weyerhaeuser 401(k) Plan | Seattle | 7,901 | $2.4B |
| The Boeing Co. and Consolidated Subsidiaries Boeing North American Retirement Plan | Seattle | 123 | $2.3B |
| Fortive Corporation Fortive Retirement Savings Plan | Everett | 9,525 | $2.1B |
| Milliman Milliman Profit Sharing and Retirement Plan | Seattle | 3,598 | $2.1B |
| Board of Trustees GCIU-Employer Retirement Benefit Plan GCIU - Employer Retirement Benefit Plan | Seattle | 1,147 | $1.8B |
| Expedia, Inc. Expedia Retirement Savings Plan | Seattle | 7,584 | $1.8B |
| The Boeing Co. and Consolidated Subsidiaries Employee Retirement Income Plan - Hourly West | Seattle | 832 | $1.7B |
| Slalom, Inc. Slalom 401(k) Plan | Seattle | 8,341 | $1.6B |
| Weyerhaeuser Company Weyerhaeuser Pension Plan | Seattle | 2,967 | $1.5B |
| Washington Permanente Medical Group, P.C. WPMG 401(k) Retirement Savings Plan | Renton | 1,654 | $1.5B |
| BOT, Western WA Laborers-Employers Pension Trust Western Washington Laborers-Employers Pension Plan | Bothell | 10,033 | $1.5B |
| Fred Hutchinson Cancer Center Fred Hutchinson Cancer Center Retirement Savings Plan | Seattle | 6,256 | $1.5B |
| Seattle Childrens Healthcare System Seattle Children's Healthcare System Employees Retirement Plan | Seattle | 10,359 | $1.5B |
| The Boeing Co. and Consolidated Subsidiaries Employee Retirement Income Plan - Hourly East | Seattle | 1,464 | $1.4B |
| Puget Sound Energy, Inc. Investment Plan for Employees of Puget Sound Energy, Inc. | Bellevue | 3,290 | $1.3B |
| Board of Trustees, Puget Sound Electrical Workers Pension Trust Puget Sound Electrical Workers Pension Plan | Seattle | 4,745 | $1.3B |
| Perkins COIE LLP Perkins COIE Retirement and 401(k) Plan | Seattle | 1,683 | $1.3B |
| Hanford Pension and Savings Plans Committee Hanford Operations and Engineering Investment Plan | Richland | 3,817 | $1.3B |
| BOT, WA State Plumbing and Pipefitting Industry Pension Plan WA State Plumbing and Pipefitting Industry Pension Plan | Tukwila | 5,015 | $1.3B |
| Hanford Pension & Savings Plans Committee Hanford Multi-Employer Pension Plan | Richland | 1,310 | $1.2B |
| Alaska Airlines, Inc. Alaska Airlines, Inc., Fixed Income Retirement Plan for Pilots | Seattle | 752 | $1.2B |
| Expeditors International of Washington, Inc. Expeditors International of Washington, Inc. 401(k) Plan | Seattle | 6,417 | $1.2B |
| Blue Origin, LLC Blue 401(k) Plan | Kent | 13,293 | $1.2B |
| Multicare Health System Multicare Health System 403(b) Employee Savings Plan | Tacoma | 16,756 | $1.2B |
| F5, Inc. F5, Inc. 401(k) Profit Sharing Plan and Trust | Seattle | 2,992 | $1.1B |
| Board of Trustees, Western Metal Industry Pension Plan Western Metal Industry Pension Plan | Seattle | 1,637 | $1.0B |
| Alaska Airlines, Inc. Alaska Airlines, Inc. Flight Attendant 401(k) Plan | Seattle | 6,931 | $1.0B |
| Recreational Equipment, Inc. Recreational Equipment, Inc. Retirement and Profit Sharing Plan | Sumner | 13,880 | $1.0B |
| Alaska Airlines, Inc. Alaska Airlines, Inc. COPS, MRP & Dispatch 401(k) Plan | Seattle | 6,810 | $928.7M |
| Swedish Health Services Swedish Health Services Pension Plan | Renton | 1,413 | $875.0M |
| Northwest Ironworkers Retirement Plan Board of Trustees Northwest Ironworkers Retirement Plan | Seattle | 3,183 | $854.4M |
| Zillow Group, Inc. Zillow Group 401(k) Plan | Seattle | 6,441 | $849.8M |
| Automotive Machinists Pension Trust Automotive Machinists Pension Plan | Seattle | 505 | $847.3M |
| Avista Corporation Investment & Employee Stock Ownership Plan of Avista | Spokane | 1,994 | $843.5M |
| Puget Sound Energy, Inc. Retirement Plan for Employees of Puget Sound Energy, Inc. | Bellevue | 1,805 | $830.1M |
| Board of Trustees, Pacific Coast Benefits Trust Fund Pacific Coast Benefits Trust Fund | Seattle | 49,727 | $786.3M |
| Multicare Health System Multicare Health System 401(k) Plan | Tacoma | 9,028 | $779.1M |
| Alaska Airlines, Inc. Alaska Airlines, Inc. Alaskasaver Plan | Seattle | 3,116 | $761.6M |
| Columbia Banking System, Inc. Umpqua Bank 401(k) and Profit Sharing Plan | Tacoma | 4,695 | $761.3M |
| Davis Wright Tremaine LLP Davis Wright Tremaine LLP 401(k) Profit Sharing Plan | Seattle | 1,468 | $747.7M |
| Hanford Pension and Savings Plans Committee Hanford Contractors Multi-Employer Savings Plan for Hamtc Represented Employees | Richland | 3,427 | $710.3M |
| Confluence Health Confluence Health 401(k) Plan | Wenatchee | 3,651 | $697.1M |
| Gates Foundation Bill & Melinda Gates Foundation Sharing Retirement Plan | Seattle | 2,156 | $680.1M |
| Saltchuk Resources, Inc. Saltchuk Companies 401(k) Plan | Seattle | 6,166 | $669.8M |
| Premera Premera 401(k) Savings Plan | Mountlake Terrace | 3,290 | $668.4M |
| Board of Trustees of the Western WA U.A. Supplemental Pension Plan Western Washington U.A. Supplemental Pension Plan | Tukwila | 4,139 | $661.1M |
| Overlake Hospital Medical Center Overlake Hospital Medical Center 403(b)Retirement Plan | Bellevue | 3,851 | $653.5M |
| Itron, Inc. Itron, Inc. Incentive Savings Plan | Liberty Lake | 2,694 | $650.5M |
| NAES Corporation NAES Corporation Retirement & 401(k) Plan | Issaquah | 2,201 | $643.7M |
| MOSS Adams LLP 401(k) Profit Sharing Plan for Employees of MOSS Adams LLP & Affiliates | Seattle | 3,963 | $633.5M |
| Horizon Air Industries, Inc. Horizon Air Savings Investment Plan | Seattle | 3,460 | $631.1M |
| Russell Investments Group, LLC Russell Investments Retirement Plan | Seattle | 609 | $625.0M |
| Board of Trustees Puget Sound Electrical Workers 401(k) Savings Plan Puget Sound Electrical Workers 401(k) Savings Plan | Seattle | 7,974 | $622.3M |
| Avista Corporation Retirement Plan for Employees of the Avista Corporation | Spokane | 1,169 | $614.3M |
| Board of Trustees, Alaska Laborers- Employers Retirement Fund Alaska Laborers-Employers Retirement Fund | Seattle | 1,653 | $602.0M |
| NASH Holdings LLC Pension Plan for the Washington Post and Companies | Seattle | 1,915 | $594.9M |
| Ironworkers District Council of the PACI Field Ironworkers Annuity TRU Ironworkers District Council of the Pacific NW Field Ironworkers Annuity Trust Fund | Mercer Island | 7,218 | $593.8M |
| NASH Holdings LLC 401(k) Plan for the Washington Post and Companies | Seattle | 2,091 | $565.8M |
| Multicare Health System Multicare Health System Retirement Account Plan | Tacoma | 12,528 | $561.6M |
| Nintendo of America Inc. Nintendo 401(k) Savings Plan | Redmond | 1,906 | $559.8M |
| Multicare Health System Retirement Plan for Employees of Multicare Health System | Tacoma | 721 | $557.5M |
| Sound Inpatient Physicians, Inc. Sound Physicians 401(k) Plan | Tacoma | 4,098 | $557.0M |
| Symetra Life Insurance Company Symetra Financial Retirement Savings Plan | Bellevue | 2,615 | $552.0M |
| Gonzaga University Gonzaga University 403(b) Retirement Plan | Spokane | 2,311 | $521.5M |
| Proliance Surgeons, Inc., P.S. Proliance Surgeons, Inc., P.S. 401(k) Profit Sharing Plan and Trust | Seattle | 1,982 | $516.8M |
| The Boeing Co. and Consolidated Subsidiaries NON-Contributory Retirement Plan | Seattle | 900 | $513.8M |
| The Association of University Physicians The Association of University Physicians Pension Plan | Seattle | 3,026 | $499.3M |
| Schweitzer Engineering Laboratories ,Inc. Schweitzer Engineering Laboratories, Inc. 401(k) Plan | Pullman | 4,506 | $492.3M |
| MOSS Adams LLP MOSS Adams LLP Profit Sharing 401(k) Plan-Partners and Principals | Seattle | 421 | $480.5M |
| Board of Trustees, SEIU Healthcare NW Health SEIU Healthcare NW Health Benefits Trust Plan | Seattle | 25,367 | $479.5M |
| 112/73 Retirement Trust Fund NECA - IBEW 112/73 Retirement Plan NECA-IBEW | Spokane | 6,481 | $478.9M |
| Seattle University Seattle University Employees Retirement Plan | Seattle | 2,024 | $478.9M |
| Board of Trustees, Cement Masons and Plasterers Retirement Trust Cement Masons and Plasterers Retirement Plan | Seattle | 1,419 | $454.7M |
| Premera Premera Pension Equity Plan | Seattle | 2,755 | $445.6M |
| Lynden Incorporated Lynden 401(k) Retirement Savings Plan & Trust | Seattle | 2,094 | $435.4M |
| The Boeing Co. and Consolidated Subsidiaries BSS Retirement Plan | Seattle | 102 | $418.2M |
| Board of Trustees, Washington Teamsters Welfare Trust Washington Teamsters Welfare Trust | Seattle | 20,828 | $399.8M |
| Board of Trustees, Iron Workers Local No. 5 & IWEA Iron Workers Local No. 5 & IWEA Employees Pension Trust Fund | Mercer Island | 768 | $399.5M |
| Board of Trustees, SEIU 775 Secure Retirement Trust SEIU 775 Secure Retirement Plan | Seattle | 72,804 | $383.8M |
| Boeing Employees' Credit Union Retirement Plan for Employees of Boeing Employees' Credit Union | Seattle | 2,791 | $381.8M |