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Manufacturing in King County, Washington

The register lists 2,107 facilities in King County, Washington. According to the Bureau of Labor Statistics, 2,469 establishments were counted in King County in 2025. Transportation Equipment Manufacturing is an industry with 42,060 employees in King County, according to the Bureau of Labor Statistics.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, cities and benchmark

Biggest cities

Federal labor statistics counted at least 2,469 manufacturing establishments in King County in 2025, employing about 91,035 people, counting only the industry subsectors the Bureau of Labor Statistics discloses at this level. This registry lists 2,107, about 85% of that figure.

Facilities1,034 FACILITIES

Listing 1,034 of 2,107: the facilities with a website, a size band or two sources on record. The rest are in site search.

FacilityCityIndustryNAICSEmployeesStatus
Northwest Marine Services LLCSeattleTransportation Equipment Manufacturing336611— ACTIVE
Northwest Motion, INCIssaquahMachinery Manufacturing333248— ACTIVE
Nova Dental LLCBellevueMiscellaneous Manufacturing339116— ACTIVE
Ocean Instruments of Washington, LLCFall CityComputer and Electronic Product Manufacturing334516— ACTIVE
Oldfield Cellars, LLCBellevueBeverage and Tobacco Product Manufacturing312130— ACTIVE
Oplet CorporationRedmondComputer and Electronic Product Manufacturing334511— ACTIVE
Otb Boots INCIssaquahLeather and Allied Product Manufacturing316210— ACTIVE
Overland Ai INCSeattleTransportation Equipment Manufacturing336999— ACTIVE
Pacific Power Group, LLCKentTransportation Equipment Manufacturing336611— ACTIVE
Pacific Valley Foods, INC.BellevueFood Manufacturing311411— ACTIVE
Palmflex INCSeattleMiscellaneous Manufacturing339113— ACTIVE
Part Works INCSeattleFabricated Metal Product Manufacturing332913— ACTIVE
Pen-ent, INC.RentonFabricated Metal Product Manufacturing332710— ACTIVE
Pfhn Ventures LLCSeattleFurniture and Related Product Manufacturing337214— ACTIVE
Phase 4 Design, INC.BothellComputer and Electronic Product Manufacturing334220— ACTIVE
Plumb Precision Products LLCIssaquahFabricated Metal Product Manufacturing332994— ACTIVE
Pluristyx INCSeattleChemical Manufacturing325414— ACTIVE
Polybiomics INC.KirklandComputer and Electronic Product Manufacturing334516— ACTIVE
Powell Industries, INC.KentComputer and Electronic Product Manufacturing334418— ACTIVE
Power Conversion, INCWoodinvilleComputer and Electronic Product Manufacturing334416— ACTIVE
Ppi Technical Services LLCAuburnTransportation Equipment Manufacturing336413— ACTIVE
Professional Plastics, INCAuburnPlastics and Rubber Products Manufacturing326199— ACTIVE
Progressiverc, LLCSeattleTransportation Equipment Manufacturing336411— ACTIVE
Protect Construction Supply INC.KentPlastics and Rubber Products Manufacturing326199— ACTIVE
Quickparts Acquisition, INC.SeattlePlastics and Rubber Products Manufacturing326199— ACTIVE
Radical INC.SeattleTransportation Equipment Manufacturing336411— ACTIVE
Rainier Defense, LLCAuburnFabricated Metal Product Manufacturing332994— ACTIVE
Raisbeck Engineering, INC.TukwilaTransportation Equipment Manufacturing336413— ACTIVE
Red Rescue LLCRentonFabricated Metal Product Manufacturing332999— ACTIVE
Reliant Group, INC.SeatacFurniture and Related Product Manufacturing337211— ACTIVE
Rice Lake Weighing Systems, INCKentMachinery Manufacturing333998— ACTIVE
Rocket Propulsion Systems LLCKentTransportation Equipment Manufacturing336415— ACTIVE
Sagemax Bioceramic, Inc.Federal WayMiscellaneous Manufacturing33911420–99 ACTIVE
S & B, INC.BellevueComputer and Electronic Product Manufacturing334513— ACTIVE
Schuyler Rubber Company, INC.WoodinvillePlastics and Rubber Products Manufacturing326299— ACTIVE
Seattle Commercial Signs LLCRentonMiscellaneous Manufacturing339950— ACTIVE
Seattle Gummy CompanyRentonChemical Manufacturing325411— ACTIVE
Seattle Metrics INCKentComputer and Electronic Product Manufacturing334514— ACTIVE
Seattle Scone Co., LLCSeattleFood Manufacturing311811— ACTIVE
Sequoia Scientific, INCBellevueComputer and Electronic Product Manufacturing334513— ACTIVE
Skyband SystemsKirklandComputer and Electronic Product Manufacturing334511— ACTIVE
Sleek Aerodyne Automotive LLCSeattleTransportation Equipment Manufacturing336992— ACTIVE
Sound Plastics, LLCWoodinvillePlastics and Rubber Products Manufacturing326199— ACTIVE
Space Valves, INC.TukwilaTransportation Equipment Manufacturing336411— ACTIVE
Spin Flight LLCSeattleTransportation Equipment Manufacturing336411— ACTIVE
Stabbert Marine & Industrial, LLCSeattleTransportation Equipment Manufacturing336611— ACTIVE
Structured Light Group LLCSeattleComputer and Electronic Product Manufacturing334118— ACTIVE
Subsea 20/20, INC.SeattleComputer and Electronic Product Manufacturing334511— ACTIVE
Tanada CorporationNorth BendChemical Manufacturing325320— ACTIVE
Tanita Corporation of America, INC.IssaquahComputer and Electronic Product Manufacturing334510— ACTIVE

Search all 8,399 Washington facilities