Aviation companies in Seattle
Aviation businesses listed in Seattle: charter, maintenance, training, parts and more.
11 companies across 13 categoriesUpdated
Companies in Seattle
Showing 1–11 of 11 companiesFeatured firstFeatured listings appear first. About featured listings · 3 featured spots open in Seattle
View companyAviation Partners, Inc.
SeattleManufacturers
Aviation Partners designs, produces and sells winglets for business jets and airliners from Seattle, Washington, USA.
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View companyCusco Aviation
SeattleAircraft Financing
Cusco Aviation is an aircraft and engine leasing company offering leasing, trading, financing and asset management to airlines and lessors.
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View companyDiamond Machine Works Inc
SeattleManufacturers
Diamond Machine Works is a Seattle precision machine shop making CNC machined parts for aircraft, medical and high tech customers since 1959.
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View companyDiamondStream Partners
SeattleAircraft Financing
DiamondStream Partners is a Seattle investment firm that backs electric, autonomous and aerial mobility companies such as Elroy Air and Ampaire.
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View companyES3AERO
SeattleAviation Consulting
ES3AERO is a Seattle engineering consultancy that designs, tests and certifies aircraft systems for manufacturers, airlines and corporate fleet owners.
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View companyHorizonX
SeattleAviation Startups
Boeing venture investment in aviation startups, based in Seattle, Washington
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View companyJet Parts Engineering
SeattleAircraft Maintenance
FAA-approved PMA parts, DER repairs and component MRO from Seattle
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View companyNational Precision Bearing
SeattleAircraft Parts Suppliers
National Precision Bearing supplies precision ball, roller and specialty bearings, including aerospace airframe control bearings.
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View companyNimbus Aerospace
SeattleAirlines
Nimbus Aerospace is a Seattle, Washington company with affiliated airlines for body aircraft wet lease services, and it is developing the N1000 hybrid electric aircraft.
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View companySafeair Media
SeattleAircraft Interiors
Safeair Media prints FAA, TC and EASA compliant passenger safety briefing cards for airlines and business aircraft from Seattle, Washington.
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View companyTLG Aerospace
SeattleAircraft Design
TLG Aerospace is an aerospace engineering firm in Seattle that handles design, analysis and certification for new and modified aircraft.
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Aviation in Seattle: Pacific Northwest Aerospace Innovation Hub
11 companies across 13 categories. Updated 22 October 2026.
Seattle serves as a leading aerospace innovation center in the Pacific Northwest, with operations spanning advanced aviation technology development and aerospace venture initiatives. The city's aviation ecosystem supports cutting-edge aerospace innovation through venture investment, technology incubation, and strategic partnerships advancing next-generation aviation solutions.
Aviation Startups and Venture Innovation
HorizonX operates as an aerospace venture and innovation accelerator supporting emerging aviation technologies and startup companies. The organization provides venture investment, strategic partnerships, and technology development support for aviation startups pursuing innovative solutions in urban air mobility, autonomous systems, electrification, and advanced aerospace technologies.
Aerospace venture initiatives in Seattle focus on identifying and nurturing disruptive aviation technologies that address future mobility challenges, sustainable aviation solutions, and operational efficiency improvements. Investment and partnership programs support startups developing breakthrough technologies with potential applications across commercial aviation, defense, and emerging aerospace sectors.
Connect with Seattle's Aviation Network
The Flying Engineer platform connects aviation professionals with Seattle service providers in aerospace innovation and venture development. Explore Seattle's aviation ecosystem and connect with organizations supporting aviation startups, technology advancement, and aerospace innovation throughout the Pacific Northwest region.