Union County: An Automotive Powerhouse

Honda of America Mfg., Inc., the third largest employer in Central Ohio with 9,344 employed across the region, maintains major manufacturing, headquarters, and R&D operations in Union County. As a result, our community is also home to a number of automotive suppliers, including many Japanese-owned firms.

Honda celebrates its 34th year of domestic automobile production in 2016, and recently exported its 1-millionth vehicle. The company has recently completed several major projects including the construction of the Honda Heritage Center, and expansion to construct the Acura NSX Supercar and a hybrid version of the Honda Accord.

Honda Operations in Union County:
Honda Marysville Auto Plant – Marysville
•  Honda North America, Inc. – Marysville
•  Honda North America Services, LLC – Marysville
•  Honda Engineering North America, Inc. – Marysville
•  Honda Lock Research & Development – Marysville
•  Honda Trading America Corp. – Marysville
•  Honda R&D Americas, Inc. – Raymond
•  Honda Access America, Inc. – Raymond

Marysville Auto Plant
Marysville is where it all started. In November 1982, the very first Honda Accord rolled off the line. Over the next 30 years, the plant and its iconic flagship vehicle, the Accord, would lay the foundation for an unprecedented success story. Today, the 3.9 million square feet Marysville plant represents the largest of our Ohio operations, producing the Honda Accord Sedan & Coupe, the Accord Hybrid and the Acura TL for customers in more than 100 countries around the world.

Honda Heritage Center
The Honda Heritage Center highlights the company’s successes in North America over the last half century with an array of historical, current and future products – each with its own story. For more information about the HHC, including tour availability, please click here.

Honda North America, Inc.
Honda NA provides the leadership function of Honda’s North American regional operations and is the coordinating entity for such operations. They are also responsible for overseeing Honda’s North American sales, manufacturing and R&D for the company’s product lines.

Honda North America Services, LLC
Honda North America Services provides many of Honda’s common support functions in North America. They streamline coordination of Honda’s R&D, manufacturing, purchasing and sales functions related to the introduction of new products.

Honda Engineering North America​
Established in 1988, this facility designs, develops and manufactures stamping dies, specialized production equipment and technologies for Honda plants across North America.

Honda Lock Research & Development
Honda Lock R&D conducts research and market analysis on key cylinders, door mirrors, glove boxes and door handles.

Honda R & D Americas, Inc.
More than 1,300 associates at this expansive facility perform engineering design, prototype fabrication and testing, local parts procurement and support for the start of mass production. Engineers also create cutting edge technologies that support the company in developing fuel efficiency and product safety.

Honda Access America
Honda Access America researches and designs many of the accessories used on Honda and Acura vehicles produced in North America. In addition to product development and testing, they also confirm installation methods and ensure accessory parts quality after installation.

Honda Operations in Close Proximity to Union County:
•  Anna Engine Plant – Anna
•  East Liberty Auto Plant – East Liberty
•  Honda Transmission Mfg. of America – Russells Point
•  Transportation Research Center – East Liberty
•  Midwest Express – East Liberty

To learn more about Honda of America Mfg., Inc., please visit their website.

A Special Relationship With Japan

With 21 companies employing approximately 6,615 people, Japanese companies provide numerous jobs and opportunities to Marysville and Union County. These 6,615 jobs account for 24.4% of the total jobs (27,087) in Union County. Over the past 35 years, these companies collectively have invested nearly $5 billion dollars (Honda has invested $4.4 billion alone) into Union County.

Major Japanese Firms Operating in Union County:

Advanced Technology Products
Denyo North America
Harmony Agricultural Products
HL-A Company
Honda Engineering North America
Honda Marysville and Honda Marysville Motor Sports
Honda of America Mfg., Inc.
Honda North America
Honda R&D Americas
Honda Trading of America Corp.
KNB Tools of America, Inc.
KTH Parts Industries
Midwest Express, Inc.
Moriroku Technology North America
Neaton Auto Products Manufacturing, Inc.
Nissin International Transport USA, Inc.
NKC of America, Inc.
Precision Tools (Toyo)
Sanko Gosei Technologies USA, Inc.
Sumitomo Electric Wiring Systems, Inc.
Yaskawa Electric America, Inc.


To solidify our special relationship with Japan, in December 2013, the City of Marysville signed a “Friendship Agreement” with the Town of Yorii, Japan. This agreement will eventually pave the way for the official declaration of a Sister City partnership.