| # | Company | Employees |
|---|---|---|
| 1 |
Pratt & Whitneyrtx.com
Design and manufacture advanced propulsion systems for aircraft, enabling global connectivity, economic growth, and national defense. |
30,378 |
| 2 |
General Dynamics Electric Boatgdeb.com
Design and build nuclear-powered submarines for the U.S. Navy, including Virginia-class and Columbia-class ballistic missile submarines. |
9,481 |
| 3 | 9,330 | |
| 4 |
Sikorskylockheedmartin.com
A global leader in helicopter technology, providing innovative and safe flight solutions for commercial and military markets worldwide since 1939 |
5,753 |
| 5 |
Crane Companycraneco.com
Long-standing ethical business focused on innovation, disciplined management, strategic acquisitions, and creating value for customers, suppliers, and shareholders. |
4,696 |
| 6 |
Hexcel Corporationhexcel.com
Production of carbon fiber reinforcements, resin systems, and honeycomb materials focused on lightweight solutions for commercial aerospace industry. |
3,357 |
| 7 |
United Technologiesrtx.com
Merger of aerospace and defense companies combining advanced technology and innovation to provide integrated solutions for global security and aviation. |
2,724 |
| 8 |
Barnesbarnesaero.com
A company known for persistent ingenuity, pushing boundaries to help customers make valuable impacts in global markets |
2,125 |
| 9 |
Hamilton Sundstrandhamiltonsundstrand.com
A global supplier of aerospace and industrial products, designing and manufacturing systems for aircraft and international space programs |
1,918 |
| 10 |
Barnes Aerospacebarnesaero.com
Global manufacturer of precision components and assemblies for turbine engines, airframes, and industrial gas turbines Also provides MRO services and aerospace aftermarket spare parts |
1,645 |
| 11 |
RBC Bearingsrbcbearings.com
International manufacturer of precision bearings, specializing in highly technical and regulated products for industrial, aerospace, and defense markets Offers unique design solutions and exceptional quality |
1,106 |
| 12 |
Pursuit Aerospacepursuitaero.com
Global manufacturer of complex aircraft engine components with highly integrated processes and lean-focused production systems, committed to continuous improvement in quality |
1,072 |
| 13 |
United States Department of the Air Forceaf.mil
This company is one of the three Military Departments in the US Department of Defense, encompassing the USAF and USSF |
840 |
| 14 |
Ensign-Bickford Aerospace & Defense Company (EBAD)ebad.com
Global leader in precision energetics systems and explosive solutions, offering customized hardware and systems solutions for aerospace and defense missions worldwide |
734 |
| 15 |
UPCmaagkit.com
This company produces innovative products to simplify tasks and improve efficiency, such as advanced kitting systems and adjustable length position sensors |
713 |
| 16 |
The Lee Companytheleeco.com
A pioneer in miniature precision fluid control components for various industries, specializing in miniaturization and engineering expertise for cutting-edge fluid flow technology |
588 |
| 17 |
Precision Resource, Inc.precisionresource.com
A dynamic company specializing in fineblanking and finishing quality components for various industries, offering competitive salaries, benefits, and career opportunities |
482 |
| 18 |
Paradigm Precision
Precision manufacturer of gas turbine components for aerospace, marine, and power generation Core capabilities include laser services, precision machining, and innovative manufacturing methods |
430 |
| 19 |
Kaman Corporationkaman.com
A leading innovator in the aerospace industry, providing solutions to commercial and military customers worldwide, and serving as an industrial distributor and system consultant |
407 |
| 20 |
Hanwha Aerospace USAhanwhaaerospaceusa.com
Innovative aerospace and defense manufacturing company with a focus on continuous improvement, advanced engineering, and precision manufacturing for commercial and military applications |
406 |
| 21 |
Connecticut Spring & Stampingctspring.com
Engineering-driven manufacturer of springs, stampings, wire forms, and more for various industries worldwide with a strong focus on quality and customer satisfaction |
267 |
| 22 |
Kamaticskamatics.com
Designing, testing, and manufacturing high-performing bearings, drive systems, and critical parts for various industries under demanding conditions Visit wwwkamancom/engineered for more information |
264 |
| 23 |
Mott Corporationmottcorp.com
Engineers and manufactures high-reliability filters and fluid flow products for medicine, computing, energy, and space exploration, offering custom designs. |
238 |
| 24 |
O.F. Mossberg & Sons, Inc.mossberg.com
Established in 1919, this family-owned firearms manufacturer is known for its innovative designs and as the largest pump-action shotgun manufacturer worldwide |
206 |
| 25 |
EDAC Technologieshanwhaaerospaceusa.com
Global leader in developing and producing complex aircraft components, offering welding services, precision mold design, and machine tool manufacturing Operates in 6 facilities |
181 |
| 26 |
Franklinfranklinproductsinc.com
A leading manufacturer providing innovative engineering solutions and products for the airline industry, focusing on aesthetics, ergonomics, and technology |
172 |
| 27 |
Altek Electronics, Inc. (a Cyient DLM Company)altekelectronics.com
A trusted electronic manufacturing services provider since 1972, offering PCB layout, assembly, chassis, control panels, and cable & harness assembly with certified quality standards |
110 |
| 28 |
HORST Engineeringhorstengineering.com
Contract manufacturer specializing in precision machined components for aerospace and high technology industries, offering services such as Swiss screw machining, turning, milling, and assembly |
95 |
| 29 |
Straton Industriesstraton.com
Certified contract manufacturer of molds, tools, dies & stampings with CNC machining, turning, grinding, EDM, welding, molding, stamping, serving various industries |
66 |
| 30 |
Thinklogicalthinklogical.com
Manufacturing high-performance signal extension and switching products for secure video distribution systems and KVM matrix switches within defense and intelligence command centers. |
65 |
| 31 |
Microbest, Inc.microbest.com
Precision machining company specializing in components for Firearms/Defense, Aerospace, Medical, Automotive, Business Machine, and Electronic Component markets with state-of-the-art equipment and skilled employees |
64 |
| 32 |
Projects, Inc.projectsinc.com
A precision machining company founded in 1959, providing parts for aerospace, industrial, and commercial applications, with expertise in instrumentation and Parts Manufacturer Approval |
60 |
| 33 |
Turbine Technologies, DBA Burke Aerospaceburkeaerospace.com
High-tech manufacturing company providing precision components and engineering services to Aerospace and Industrial Gas Turbine industries since 1963 |
37 |
| 34 |
Component Engineers Incceiprecision.com
A second-generation family-owned company providing critical component design, development, and production for various industries with expertise in stamping, CNC machining, and assemblies |
32 |
| 35 |
Frank Roth Co., Inc.frankroth.com
This engineering and manufacturing firm offers process engineering, parts engineering, machining, welding, project management, inventory management, and quality control services |
18 |
| 36 |
Senior Aerospace Connecticutsenioraeroct.com
A leading manufacturer of complex flight safety critical aerospace components for aircraft engines, serving rotorcraft, turbine engine, and airframe segments |
17 |
| 37 |
Marion Manufacturing Company, Inc.marionmfg.net
A leader in metal stamping and precision components since 1946, delivering high-quality American-made products through innovation and customer-focused solutions |
16 |
| 38 |
Stellar Jetstellaraircraft.com
Innovative aerospace company developing first Hydrogen Powered Business Jet with VTOL capabilities, focusing on sustainability, safety, and cost-effective operations |
11 |
| 39 |
Frasal Tool Co., Inc.frasaltool.com
Global supplier of precision components, aerospace tooling, complex assemblies, and fixtures, offering cost-effective engineering, project management, and manufacturing services for various industries |
10 |
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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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