WSIA's membership is comprised of three groups - our employers, who operate their own self-insured workers' compensation programs; our associate members, who provide professional services to employers of both self-insurance and the state fund; and our service companies, who provide third party claims administration services to self-insured and other employers and groups. The following directory lists our members, with links to their own websites, as available.
Catholic Health Initiatives Chelan County Chelan County PUD #1 Chevron Corporation City of Bellevue City of Bellingham
City of Everett
City of Kent City of Longview City of Olympia City of Puyallup City of Renton City of Seattle City of Spokane City of Tacoma City of Vancouver
City of Walla Walla City of Yakima Clallam County Clark County PUD #1 Clark County Risk Management Columbia Distributing Comcast Cable Communications Community Transit Continental Mills, Inc. Corp. of Catholic Archbishop of Seattle Costco Wholesale Corp. Cowlitz County
Schnitzer Steel Industries, Inc.
Schweitzer Engineering Laboratories
SDS Lumber Company
Seattle Children's Healthcare System
Seattle School District #1
Seattle Seahawks, Inc.
Sellen Construction Co., Inc.
Sierra Pacific Industries
Skanska USA Building, Inc.
Snohomish County PUD #1
Spokane Transit Authority
Starbucks Coffee Co.
Amplifon Hearing Health Care
Associated General Contractors of WA
Associated Industries Association of Washington Cities Assurance Case Management
Hall & Miller, P.S.
Holmes, Weddle & Barcott PC
MacColl Busch & Sato, P.C.
MACHAON Medical Evaluations, Inc Marsh USA, Inc. Maureen Larson Consulting
McDonald and Associates Investigations
Medcor, Inc MEDPlus Health Solutions Inc. MES Solutions Midwest Employers Casualty Company
Miles Investigations, Inc.
Northwest Injury Management
SCA Pacific Case Management
Single Handed Consulting, Inc. Solutions Northwest
Sound Vocational Services, Inc. Staffmark Strategic Consulting Services, Inc. Summit Rehabilitation Sunrise Medical Consultants
Service Company Members