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.
Facilities366 FACILITIES
Listing 366 of 758: the facilities with a website, a size band or two sources on record. The rest are in site search.
| Facility | City | Industry | NAICS | Employees | Status |
|---|---|---|---|---|---|
| Menehune Green LLC | Seattle | Chemical Manufacturing | 325315 | — | ACTIVE |
| Mid Mountain Materials, INC. | Seattle | Textile Mills | 313320 | — | ACTIVE |
| Misty Mountain Manufacturing CO | Seattle | Apparel Manufacturing | 315250 | — | ACTIVE |
| Northwest Marine Services LLC | Seattle | Transportation Equipment Manufacturing | 336611 | — | ACTIVE |
| Overland Ai INC | Seattle | Transportation Equipment Manufacturing | 336999 | — | ACTIVE |
| Palmflex INC | Seattle | Miscellaneous Manufacturing | 339113 | — | ACTIVE |
| Part Works INC | Seattle | Fabricated Metal Product Manufacturing | 332913 | — | ACTIVE |
| Pfhn Ventures LLC | Seattle | Furniture and Related Product Manufacturing | 337214 | — | ACTIVE |
| Pluristyx INC | Seattle | Chemical Manufacturing | 325414 | — | ACTIVE |
| Progressiverc, LLC | Seattle | Transportation Equipment Manufacturing | 336411 | — | ACTIVE |
| Quickparts Acquisition, INC. | Seattle | Plastics and Rubber Products Manufacturing | 326199 | — | ACTIVE |
| Radical INC. | Seattle | Transportation Equipment Manufacturing | 336411 | — | ACTIVE |
| Seattle Scone Co., LLC | Seattle | Food Manufacturing | 311811 | — | ACTIVE |
| Sleek Aerodyne Automotive LLC | Seattle | Transportation Equipment Manufacturing | 336992 | — | ACTIVE |
| Spin Flight LLC | Seattle | Transportation Equipment Manufacturing | 336411 | — | ACTIVE |
| Stabbert Marine & Industrial, LLC | Seattle | Transportation Equipment Manufacturing | 336611 | — | ACTIVE |
| Structured Light Group LLC | Seattle | Computer and Electronic Product Manufacturing | 334118 | — | ACTIVE |
| Subsea 20/20, INC. | Seattle | Computer and Electronic Product Manufacturing | 334511 | — | ACTIVE |
| Technical & Assembly Services Corporation | Seattle | Computer and Electronic Product Manufacturing | 334418 | — | ACTIVE |
| Thallios INC. | Seattle | Computer and Electronic Product Manufacturing | 334511 | — | ACTIVE |
| The Lighthouse for the Blind, Incorporated | Seattle | Fabricated Metal Product Manufacturing | 332999 | — | ACTIVE |
| The Lumber Manufactory INC. | Seattle | Wood Product Manufacturing | 321113 | — | ACTIVE |
| Tir Medical INC. | Seattle | Miscellaneous Manufacturing | 339112 | — | ACTIVE |
| Tobutech LLC | Seattle | Computer and Electronic Product Manufacturing | 334112 | — | ACTIVE |
| Tram Thi Nguyen | Seattle | Apparel Manufacturing | 315210 | — | ACTIVE |
| Ultropia CORP | Seattle | Miscellaneous Manufacturing | 339999 | — | ACTIVE |
| United States Seafoods, LLC | Seattle | Food Manufacturing | 311710 | — | ACTIVE |
| Wave Motion Launch Corporation | Seattle | Transportation Equipment Manufacturing | 336414 | — | ACTIVE |
| Weartranscend LLC | Seattle | Apparel Manufacturing | 315250 | — | ACTIVE |
| Wide-i LLC | Seattle | Miscellaneous Manufacturing | 339999 | — | ACTIVE |
| Zonar Systems, INC. | Seattle | Computer and Electronic Product Manufacturing | 334511 | — | ACTIVE |
| Dyno Battery CO | Seattle | Electrical Equipment, Appliance & Component Manufacturing | 335910 | 20–99 | LIKELY ACTIVE |
| North Star Casteel Products | Seattle | Primary Metal Manufacturing | 331513 | 20–99 | LIKELY ACTIVE |
| Young Corporation | Seattle | Fabricated Metal Product Manufacturing | 332999 | 100–499 | LIKELY ACTIVE |
| Chemithon CORP | Seattle | Machinery Manufacturing | 333248 | 20–99 | LIKELY ACTIVE |
| Daniel Smith INC | Seattle | Miscellaneous Manufacturing | 339940 | 20–99 | LIKELY ACTIVE |
| Gear Works Seattle INC | Seattle | Machinery Manufacturing | 333612 | 1–19 | LIKELY ACTIVE |
| Geo Heiser Body CO. LLC | Seattle | Transportation Equipment Manufacturing | 336211 | 1–19 | LIKELY ACTIVE |
| Standard Steel Fabricating CO INC | Seattle | Fabricated Metal Product Manufacturing | 332312 | 1–19 | LIKELY ACTIVE |
| Rudd CO INC Seattle | Seattle | Chemical Manufacturing | 325510 | 20–99 | UNVERIFIED |
| Ace Galvanizing INC 96th | Seattle | Fabricated Metal Product Manufacturing | 332812 | — | LIKELY ACTIVE |
| Boeing North Boeing Field | Seattle | Chemical Manufacturing | 325120 | — | LIKELY ACTIVE |
| Certainteed Gypsum Manufacturing | Seattle | Nonmetallic Mineral Product Manufacturing | 327420 | — | LIKELY ACTIVE |
| Lafarge Cement CO - Seattle Facility | Seattle | Nonmetallic Mineral Product Manufacturing | 327310 | — | LIKELY ACTIVE |
| Mochii, INC. | Seattle | Computer and Electronic Product Manufacturing | 334516 | 20–99 | LIKELY ACTIVE |
| North Star Casteel Products | Seattle | Primary Metal Manufacturing | 331513 | 20–99 | LIKELY ACTIVE |
| Nucor Steel Seattle INC | Seattle | Primary Metal Manufacturing | 331110 | — | LIKELY ACTIVE |
| Process Heating Company, INC. | Seattle | Machinery Manufacturing | 333414 | 1–19 | LIKELY ACTIVE |
| Scougal Rubber CORP | Seattle | Plastics and Rubber Products Manufacturing | 326291 | 20–99 | LIKELY ACTIVE |
| Seacast Seattle | Seattle | Primary Metal Manufacturing | 331512 | — | LIKELY ACTIVE |
