| # | Company | Employees |
|---|---|---|
| 1 |
City of Seattleseattle.gov
Providing diverse public services across multiple departments to support community well-being, infrastructure, and inclusive city development. |
10,924 |
| 2 |
State of Washingtonwa.gov
Support public employees fostering education, innovation, job creation, environmental care, and health to build a thriving Washington community. |
9,128 |
| 3 |
King County, WAkingcounty.gov
A leading Washington employer, transforming government operations to provide essential services to over 2 million residents #GoPublic |
8,009 |
| 4 |
Washington State Department of Social and Health Servicesdshs.wa.gov
Transforming lives of Washington State's vulnerable residents through innovative social services, partnerships, and government relationships Services include healthcare, support, and assistance |
6,674 |
| 5 |
Washington State Department of Transportationwsdot.wa.gov
The company improves Washington's transportation system by maintaining highways, ferries, and more, while focusing on strategic investments, sustainability, and efficiency |
3,609 |
| 6 |
Pierce Countypiercecountywa.gov
Pierce County is a vibrant community in Washington state, home to diverse residents, top universities, iconic landmarks, and thriving businesses |
2,823 |
| 7 |
Washington State Department of Healthdoh.wa.gov
A government agency in Washington State promotes health, safety, and preparedness through various programs, services, and initiatives for employees' well-being and inclusivity |
2,249 |
| 8 |
Port of Seattleportseattle.org
Ownership and operation of airport, fishing terminal, marinas, cruise and cargo terminals, real estate, supporting regional jobs and economic growth. |
2,074 |
| 9 |
City of Tacomatacoma.gov
Mid-sized urban port city offering diverse cultural attractions, affordable housing, and a vibrant community of artists and entrepreneurs. |
2,037 |
| 10 |
Snohomish County, WAsnohomishcountywa.gov
A county in Washington state with 2800 employees dedicated to enhancing the community by providing various services and creating a desirable living environment |
2,019 |
| 11 |
Washington State Department of Labor & Industrieslni.wa.gov
A comprehensive range of programs aimed at promoting safety, protection, and economic opportunity across the state of Washington |
1,411 |
| 12 |
WA Department of Children, Youth, and Familiesdcyf.wa.gov
DCYF oversees services for at-risk children and youth previously managed by different departments, aiming to improve outcomes for Washington communities |
1,315 |
| 13 |
Washington State Department of Natural Resourcesdnr.wa.gov
This company manages state-owned land in Washington, generating revenue for public services, protecting wildlife and water, preventing wildfires, and promoting sustainability |
1,121 |
| 14 |
Employment Security Departmentesd.wa.gov
ESD partners with various organizations to connect employers with job seekers, administers unemployment insurance, and collects job-related data for Washington |
1,111 |
| 15 |
Washington State Health Care Authoritygovernmentjobs.com
A mission-driven organization in Washington State that purchases health care for residents through various programs, prioritizing access, quality, and affordability |
1,062 |
| 16 |
City of Spokanespokanecity.org
Operating under a strong mayor system, this organization provides essential public services and administrative oversight for 210,000 residents across twenty-nine unique neighborhoods. |
1,041 |
| 17 |
The Tulalip Tribesemployment.tulaliptribes-nsn.gov
A sovereign tribal entity providing a variety of government services to its community, funded mostly internally, with a population of over 4,800 |
805 |
| 18 |
Washington State Department of Licensingdol.wa.gov
Providing equal access to identification and licensing services in Washington, using community input, clear information, and prioritizing data safety |
785 |
| 19 |
Washington State Department of Revenuedor.wa.gov
Washington state's primary tax agency administering 60 categories of taxes to fund essential services like education, healthcare, and public safety |
774 |
| 20 |
Kitsap Countykitsap.gov
Kitsap County government provides vital services to residents of the Kitsap Peninsula while promoting work/life balance, employee growth, and community engagement |
755 |
| 21 |
Hanford Mission Integration Solutionshmis.hanford.gov
HMIS team provides integration solutions for the Hanford mission, focusing on safety, efficiency, cost savings, collaboration, and community value |
689 |
| 22 |
City of Vancouver, Washingtoncityofvancouver.us
Managing municipal operations and community services on the north bank of the Columbia River while providing recreational opportunities within a metropolitan setting. |
684 |
| 23 |
Washington State Department of Commercecommerce.wa.gov
The company promotes economic growth in Washington state by supporting businesses, local governments, and community organizations through various programs and initiatives |
648 |
| 24 |
City of Everett, WAeverettwa.gov
The City of Everett provides diverse public services to its community, offering a variety of job opportunities and a vibrant cultural scene |
631 |
| 25 |
Seattle Public Utilitiesseattle.gov
The company partners with the community to manage water and waste resources equitably, promoting a healthy environment and economy for future generations |
625 |
| 26 |
Seattle Housing Authorityseattlehousing.org
This organization provides long-term rental housing and rental assistance to over 29,000 low-income individuals in Seattle, managing buildings across 400 sites |
624 |
| 27 |
City of Kirklandkirklandwa.gov
Waterfront destination in Kirkland with outdoor recreation, art, dining, and shopping City in Washington with a population of over 83,000 |
617 |
| 28 |
City of Kent, Washingtonjobs.kentwa.gov
A diverse and innovative employer in Kent, Washington, offering competitive salaries, benefits, and a range of career opportunities in a vibrant community |
610 |
| 29 |
Seattle Parks and Recreationseattle.gov
This organization manages a large park system in Seattle, providing recreational facilities, community centers, swimming pools, and environmental education programs |
573 |
| 30 |
Clark County WAclark.wa.gov
Clark County, Washington offers a picturesque setting for residents and employees, with the county government being a major employer providing various services |
572 |
| 31 |
City of Redmond, WAredmond.gov
Progressive suburban community on the Eastside of Lake Washington, with a strong economic base, high quality of life, and abundant recreational opportunities |
571 |
| 32 |
City of Rentonrentonwa.gov
Renton City promotes business development, supports quality of life, and fosters partnerships to create a thriving community and diverse employment opportunities in Washington |
547 |
| 33 |
Washington State Department of Enterprise Servicesdes.wa.gov
Provider of support services and policy/governance to state government and public entities, enabling them to focus on core missions Offers centralized administrative services and employee benefits |
539 |
| 34 |
WHATCOM COUNTYwhatcomcounty.us
Government administration company in Washington, serving Whatcom County Located in Bellingham |
535 |
| 35 |
Washington State Parks and Recreation Commissionparks.wa.gov
This company is dedicated to caring for Washington's natural and cultural treasures, providing recreational and educational experiences for all citizens to enjoy and support |
531 |
| 36 |
City of Bellinghamcob.org
A municipality in the northwest corner of the US providing quality public services, promoting sustainability, equity, and community engagement in Bellingham |
530 |
| 37 |
Grant County Public Utility Districtgrantpud.org
A long-standing public power provider in the Pacific Northwest, offering renewable energy at competitive rates to millions of customers |
520 |
| 38 |
Office of Superintendent of Public Instructionospi.k12.wa.us
Oversees K-12 public education, administers basic education programs, implements reforms, collaborates with 295 school districts in Washington state. |
512 |
| 39 |
Muckleshoot Indian Tribemuckleshoot.nsn.us
The company is a tribal organization representing the Muckleshoot Indian Tribe, comprising descendants of Duwamish and Upper Puyallup ancestors |
485 |
| 40 |
Confederated Tribes of the Colville Reservationcolvilletribes.com
Official page representing the Tribal government of the Colville Reservation in Washington State, serving a diverse group of tribal members |
472 |
| 41 |
City of Rockinghamrockingham.wa.gov.au
The company represents the City of Rockingham, a rapidly growing area in Western Australia with various suburbs and a growing population |
444 |
| 42 |
Seattle Police Departmentseattle.gov
A large metropolitan public safety agency in Washington state with over 1,100 officers, specializing in various units to prevent crime and ensure public safety |
432 |
| 43 |
Washington State Auditor's Officesao.wa.gov
The company conducts independent audits to ensure efficient use of public funds by local governments and state agencies, striving to improve transparency and accountability |
411 |
| 44 |
City of Olympiaolympiawa.gov
Municipal government in Olympia, Washington, managing city operations with a Council-Manager structure and oversight from a seven-member City Council |
367 |
| 45 |
DSHS - Division of Vocational Rehabilitationdshs.wa.gov
This organization in Washington State partners with businesses and community organizations to increase employment opportunities and provide vocational rehabilitation services for individuals with disabilities |
357 |
| 46 |
Seattle Department of Transportationseattle.gov
A leading municipal transportation agency in Seattle, dedicated to creating an equitable, sustainable, and vibrant city through maintenance, operations, and expansion of transportation networks |
348 |
| 47 |
City of Auburn (Washington)auburnwa.gov
The company promotes Auburn, WA as a thriving business and educational hub, with access to outdoor activities, parks, schools, and community events |
342 |
| 48 |
City of Lynnwoodlynnwoodwa.gov
A municipality nestled between the Olympic and Cascade Mountains, offering diverse activities, park land, trails, a recreation center, and preparing for transportation expansion |
338 |
| 49 |
Aging and Disability Servicesagingkingcounty.org
Aging and Disability Services in Washington state coordinates comprehensive service delivery systems for older adults, caregivers, and people with disabilities |
326 |
| 50 |
City of Richlandrichlandwa.gov
The City of Richland in Washington offers full-service amenities including police, fire, utilities, planning, parks, recreation, streets, and library services |
323 |
| 51 |
City of Tukwilatukwilawa.gov
The City of Tukwila is a diverse and dynamic community near Seattle with its own full-service departments and a commitment to professionalism and service |
267 |
| 52 |
City of Pascopasco-wa.gov
A company located in Pasco, Washington, promoting the city's rapid growth, strong economy, diverse culture, and excellent public facilities for families and businesses |
205 |
| 53 |
Snohomish County Health Departmentsnohd.org
The organization focuses on preventing injury and disease, providing public health programs and services in Snohomish County through community partnerships |
180 |
| 54 |
City of Mercer Islandmercerisland.gov
This residential community on Mercer Island offers high-quality living with preserved parks, open spaces, and stunning views of Seattle and the Cascade Mountains |
177 |
| 55 |
City Of Walla Wallawallawallawa.gov
This municipal government in Walla Walla provides a wide range of services including police, fire, public works, parks, library, and more |
174 |
| 56 |
Cowlitz County, WAco.cowlitz.wa.us
We prioritize the health, safety, and well-being of Cowlitz County residents while promoting economic stability, social opportunities, and environmental stewardship |
165 |
| 57 |
City of Tumwaterci.tumwater.wa.us
A full-service city located near Puget Sound, offering general government services including law enforcement, fire services, utilities, planning, parks, and recreation |
161 |
| 58 |
Washington Secretary of Statesos.wa.gov
This company oversees state elections, registers corporations and charities, manages state archives and library, and promotes civic knowledge and participation |
161 |
| 59 |
Stillaguamish Tribe of Indiansstillaguamish.com
Preserving culture, serving members, and stewarding native lands as a sovereign, federally recognized Native tribe with rich history and traditions |
155 |
| 60 |
City of Bainbridge Islandbainbridgewa.gov
A city government on Bainbridge Island, incorporated in 1947 and adopting a Council/Manager form of government in 2009 |
150 |
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Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Oct 24, 2026.
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