Washingtonbenefits

Employer health & benefits plans · plan year 2025
1,780 Washington employers filed health and welfare plans covering 11,711,571 active participants. Each page shows the plan's insurance carriers, premiums, and what its brokers were paid, from Form 5500 Schedule A.
Largest plans · Washington1,780
Amazon.com Services,Llc NORTH SEATTLE1,209,303
Amazon.com Services, LLC SEATTLE1,194,891
Starbucks Corporation SEATTLE258,086
Costco Wholesale Corporation and Subsidiaries ISSAQUAH221,374
Board of Trustees, Teamsters Life With Dues Benefit Plan SEATTLE213,620
Costco Wholesale Corporation ISSAQUAH196,503
The Boeing Co. and Consolidated Subsidiaries SEATTLE148,899
Microsoft Corporation REDMOND105,732
Providence Health & Services RENTON78,354
T-Mobile USA, Inc. BELLEVUE69,772
Nordstrom, Inc. SEATTLE62,002
Board of Trustees, Sound Health & Wellness Trust BOTHELL35,506
Board of Trustees, Seiu Healthcare Nw Health SEATTLE28,256
Multicare Health System TACOMA22,314
St. Joseph Health System RENTON22,119
Board of Trustees, Washington Teamsters Welfare Trust SEATTLE20,828
Board of Trustees, Northwest Carpenters Vacation Plan SEATTLE20,242
Alaska Airlines, Inc. SEATTLE19,597
Medical Management International, Inc. VANCOUVER19,170
Business Health Trust MUKILTEO16,967
Mba Group Insurance Trust BELLEVUE16,812
Washington State Council of Fire Fighters OLYMPIA15,518
Recreational Equipment, Inc. SUMNER15,247
Board of Trustees, Northwest Carpenters Health And SEATTLE14,033
Retiree's Welfare Trust Board of Trustees SEATTLE13,361
Blue Origin Manufacturing, LLC KENT13,227
Barrett Business Services, Inc. VANCOUVER12,750
Blue Origin, LLC KENT12,551
Swedish Health Services RENTON12,525
Paccar Inc BELLEVUE12,514
Biaw Health and Welfare Trust BELLEVUE12,407
Tvi, Inc. dba Savers BELLEVUE11,037
International Union of Operating Engineers Local 302 BOTHELL10,777
Seattle Children's Healthcare System SEATTLE10,230
Fortive Corporation EVERETT9,967
Slalom, Inc. SEATTLE9,665
Seattle Children's Hospital SEATTLE9,235
Board of Trustees, Lo 302 & 612 Intl Union of Oper SEATTLE9,074
Weyerhaeuser Company SEATTLE9,042
Board of Trustees, Western Healthcare Insurance Trust MUKILTEO8,936
Northwest Laborers-Employers Health & Se Board of Trustees BOTHELL8,352
Expedia, Inc. SEATTLE8,247
Timber Products Manufacturers, Inc. SPOKANE7,136
The Trustees of the Employee Benefits Trust OLYMPIA6,387
Zillow Group, Inc. SEATTLE6,383
Covenant Health System RENTON6,377
Zillow Group, Inc. SEATTLE6,248
Expeditors International of Washington, Inc. SEATTLE6,191
Expeditors International of Wa, Inc SEATTLE6,191
Bot, Northwest Sheet Metal Workers Health & Welfare Plan SPOKANE6,169
Electrical Workers' Veba Trust SPOKANE6,061
Fred Hutchinson Cancer Center SEATTLE5,769
Board of Trustees Puget Sound Electrical Workers SEATTLE5,697
Board of Trustees, Employee Painters' Trust Health and Welfare Plan TUKWILA5,447
Prestige Care, Inc. VANCOUVER5,217
Virginia Mason Medical Center SEATTLE5,096
Schweitzer Engineering Laboratories, Inc. PULLMAN5,008
Sanmar Corporation ISSAQUAH4,963
Teamsters Local Union No. 856 H. & W. Fund SEATTLE4,950
Washington Technology Industry Association Employee Benefit Trust MUKILTEO4,794
Board of Trustees, Washington Technology Industry MUKILTEO4,649
Moss Adams LLP SEATTLE4,518
AVENUE5 Residential LLC SEATTLE4,451
Omnitrade Health Trust MUKILTEO4,411
Sound Inpatient Physicians, Inc TACOMA4,298
Northwest Financial Assns Employee Benefit Trust TACOMA4,295
Board of Trustee, Northwest Fire Fighters MUKILTEO4,271
Saltchuk Resources, Inc. SEATTLE4,263
Kadlec Regional Medical Center RENTON4,224
Hospitality Industry Health Insurance Trust MUKILTEO4,195
Northwest Fire Fighters Benefits Trust MUKILTEO4,137
Hewt Administrative Committee RICHLAND4,002
Health Alliance for Technology Health Trust SPOKANE3,977
Trueblue, Inc. TACOMA3,958
Health Alliance for Technology Health Tr SPOKANE3,813
Carrix, Inc. SEATTLE3,679
Board of Trustees, San Diego County Public Safety SEATTLE3,647
F5, Inc. SEATTLE3,567
Washington Commercial Construction Health Trust SPOKANE3,543
Muckleshoot Indian Tribe AUBURN3,529
Milliman, Inc. SEATTLE3,481
Central Washington Health Services Association WENATCHEE3,462
Colliers International USA, LLC SEATTLE3,455
The Tulalip Tribes of Washington TULALIP3,447
McGee Air Services, Inc. RENTON3,437
Premera Blue Cross SEATTLE3,425
Puget Sound Energy, Inc. BELLEVUE3,400
Premera SEATTLE3,383
Symetra Life Insurance Company BELLEVUE3,346
Board of Trustees, Service Employees Health and Welfare Trust SEATTLE3,302
Puyallup Tribal Gaming Enterprises, Inc. FIFE3,263
Overlake Hospital Medical Center BELLEVUE3,238
Redfin Corporation SEATTLE3,204
Merrill Gardens, LLC SEATTLE3,132
Urm Stores, Inc. SPOKANE3,103
Trident Seafoods, LLC SEATTLE3,089
Boeing Employees Credit Union TUKWILA3,078
Horizon Air Industries, Inc. SEATAC3,074
Clearwater Paper Corporation SPOKANE3,033
Northwest Ironworkers Health and Security Board of Trustees MERCER ISLAND3,021
Source: DOL Form 5500 Schedule A filings, plan year 2025. National views: brokers by pay, carriers by premiums.