| # | Company | Employees |
|---|---|---|
| 1 |
Cummins Inc.cummins.com
empowering diverse professionals through career growth, innovation, and development in engineering, manufacturing, marketing, and supply chain roles worldwide |
60,000 |
| 2 |
OPENLANEcorporate.openlane.com
Innovative team redefining the used car industry through digital marketplaces, making wholesale easy for OEMs, dealers, and financial institutions |
5,320 |
| 3 | 4,005 | |
| 4 |
Forest River, Inc.ยฎforestriverinc.com
American manufacturer of recreational vehicles, cargo trailers, utility trailers, pontoon boats, and buses |
3,342 |
| 5 |
Allison Transmissionallisontransmission.com
A global leader in designing and manufacturing vehicle propulsion solutions for commercial and defense vehicles, as well as electrified propulsion systems worldwide |
3,022 |
| 6 |
Kimball Electronicskimballelectronics.com
Contract manufacturing of durable electronics products with engineering, supply chain, design, testing, and regulatory support for multiple industries worldwide. |
2,593 |
| 7 |
Subaru of Indiana Automotivesubaru-sia.com
Manufacturing Subaru Ascent, Crosstrek, and Forester models in North America with focus on quality, safety, and environmental care. |
2,244 |
| 8 |
Koch Enterpriseskochenterprises.com
A family-owned conglomerate with seven subsidiary businesses operating in manufacturing, distribution, construction, and IT sectors, focusing on team member development and community involvement |
1,136 |
| 9 |
AM General LLCamgeneral.com
Specialized vehicle design, engineering, manufacturing, and support for commercial and military clients Also produces diesel engines and automatic transmissions Strong focus on workforce diversity and equal opportunity |
1,104 |
| 10 |
Jayco, Inc.jaycofamily.com
A family-owned company founded in 1968 that designs and manufactures recreational vehicles, prioritizing exemplary products and exceptional customer service |
1,076 |
| 11 |
NTN Driveshaft, Inc.ntnamericas.com
This company manufactures halfshafts specifically designed for light-duty vehicles, ensuring high-quality and reliable components for vehicle performance |
1,033 |
| 12 |
IMMIimminet.com
A global leader in designing and manufacturing advanced safety systems for various sectors, dedicated to bringing safety innovations worldwide |
994 |
| 13 |
Thor Motor Coachthormotorcoach.com
A leading motorhome brand manufacturer in North America, offering cutting-edge innovations and diverse options to fit every customer's lifestyle and budget |
973 |
| 14 |
Jasper Engines & Transmissionsjasperengines.com
A leading remanufacturer of gas and diesel engines, transmissions, and other drive train components with a focus on quality and teamwork |
922 |
| 15 |
Jhonson Control Inc
Global technology and industrial leader with 170,000 employees, offering energy and operational efficiency solutions for buildings, automotive batteries, and interior systems for automobiles |
884 |
| 16 |
Allison Off-Highway Drive & Motion Systemsdana.com
Mobile drivetrain and motion solutions for construction, agriculture, mining, forestry, and industrial equipment with conventional and electrified power sources. |
844 |
| 17 |
Ryobi Die Casting, Inc.ryobidiecasting.com
Manufacturer of die casting components with facilities in USA, Japan, China, Northern Ireland, and Mexico Offering competitive wages, benefits, and career development opportunities |
779 |
| 18 |
BraunAbilitybraunability.com
The world's leading manufacturer of mobility transportation solutions, providing wheelchair accessible vehicles, lifts, seating, storage, and securement products for individuals with disabilities |
699 |
| 19 |
Honda Manufacturing of Indiana, LLCmanufacturing.honda.com
Manufacturer of Civic Sedan and Civic GX models Committed to quality, efficiency, environmental stewardship, and community engagement |
665 |
| 20 | 657 | |
| 21 |
Utilimasterutilimaster.com
A North American leader in walk-in van and truck body manufacturing, cargo van upfitting, and after-market services Check out our events |
615 |
| 22 |
Grote Industriesgrote.com
A leading manufacturer supplying lighting products and safety systems for heavy duty vehicles, industries, and military applications worldwide |
612 |
| 23 |
Toyota Motor Manufacturing, Indiana, Inc.tourtoyotaindiana.com
An automotive company located in Indiana, manufacturing vehicles with a focus on quality and innovation in the automotive industry |
590 |
| 24 |
Aisin U.S.A. Mfg., Inc.aisinusa.com
A leading manufacturer of high-quality automotive components and systems, committed to excellence, employee satisfaction, and fostering a strong team spirit |
569 |
| 25 |
MPPmppinnovation.com
Custom engineered components through powder metallurgy and metal injection molding for automotive, industrial, and medical applications using advanced materials and scalable manufacturing. |
518 |
| 26 |
Creative Liquid Coatingscreativeliquidcoatings.com
A company specializing in plastic injection molding and automated paint finishing, offering a wide range of capabilities for various sized parts |
502 |
| 27 |
Diversity Vuteq, LLC
The company specializes in internal logistics, just-in-time supply, small parts sequencing, and plastic injection molding parts manufacturing for Toyota Motor Manufacturing |
340 |
| 28 |
Keihin North Americakeihin-na.com
Manufacturer of high-quality automotive components used in vehicles worldwide |
330 |
| 29 |
StarPlus Energystarplusenergyus.com
A startup venture backed by Samsung SDI and Stellantis building their first electric vehicle battery manufacturing plant in Kokomo, Indiana |
316 |
| 30 |
Vanguard National Trailervanguardtrailer.com
Innovative trailer manufacturer specializing in producing high-quality dry van and composite plate trailers with a focus on efficiency and technological integration |
303 |
| 31 |
GECOM Corporationgecomcorp.com
The company supplies automotive components to manufacturers and businesses in the automotive industry |
283 |
| 32 |
Batesville Tool & Die, Inc.btdinc.com
Global supplier of precision metal stamping components for various industries, offering metal stamping, tooling, welding, and assembly services across multiple facilities |
274 |
| 33 |
CHIYODA USA CORPORATIONchiyoda-usa.com
A tier 1 supplier specializing in automotive plastic parts using injection molding, blow molding, paint, and assembly operations to drive innovation and growth |
196 |
| 34 |
Futaba Indiana of Americafutabanorthamerica.com
An automotive supplier dedicated to providing high quality parts to Toyota, utilizing advanced technology and a commitment to continuous improvement |
169 |
| 35 |
Mursix Corporationmursix.com
A technology-driven company specializing in production of value-added product solutions with capabilities in tool design, stamping, machining, molding, plating, and assembly |
114 |
| 36 |
ELSA LLCelsallc.com
Specializing in exhaust systems, fuel tanks, and plastic injection molding, the company produces structural components for OEM customers such as air ducts and air cleaners |
112 |
| 37 |
BCI Solutions, Inc.bcisolutions.com
A global manufacturing concierge offering end-to-end solutions from engineering to final product shipment, guided by core values and ISO certifications |
111 |
| 38 |
Tsuda USA Corporationtsuda-usa.com
A Japanese manufacturer of key automotive components, focusing on quality, integrated production, technological development, human resource development, and societal contributions |
105 |
| 39 |
ACTIA Corporationactiaus.com
An international group specializing in innovative electronics and diagnostics solutions for vehicle markets, known for reliability and quality across OEMs |
87 |
| 40 |
Intertech Products, Inc.
A dynamic growth company specializing in compression molding, die cutting, assembly, and extrusion coating/laminating for automotive/transportation and industrial packaging industries |
62 |
| 41 |
Fleece Performance Engineeringfleeceperformance.com
A leading manufacturer of aftermarket automotive and diesel performance products known for innovation, quality, and service, pushing the limits of diesel performance |
47 |
| 42 |
MPI Engineered Technologiesmpiproducts.com
Specializes in providing innovative engineered technologies for various industries, offering solutions and services for complex engineering challenges and projects |
47 |
| 43 |
Clean Seal, Inccleanseal.com
A trusted provider of diverse industry solutions, offering rubber seals, trim moldings, hose protection, EMI shielding, and customizable parts with top-notch quality assurance |
31 |
| 44 |
CCT Enterprises - Your Integrated Manufacturing Solutioncct-ent.com
A total manufacturing solution provider with decades of experience, offering design, tooling, machining, stamping, molding, assembly, and more for various industries |
21 |
| 45 |
Connor Corporationconnorcorp.com
An engineered products company manufacturing components and sub-assemblies for various industries, with global manufacturing capabilities and engineering support services Ship worldwide |
18 |
| 46 |
GENY TECHnexgenindustryz.com
Advanced manufacturing serving Automotive, RV, Marine, and Aerospace industries with high-tech solutions and innovation |
5 |
| 47 |
Lucas TVS North Americalucastvs.us
An India based manufacturing company providing high quality electrical, electronic, and mechatronic components to North American automotive, commercial vehicle, and sport vehicle markets |
2 |
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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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