dedicated to quality


Marion Manufacturing is a privately held  company that offers high quality machining and manufacturing components. Founded in Terre Haute, Indiana, our management team has over 25 years experience in the machining and manufacturing field. Marion Manufacturing is committed to delivering the highest quality components at the lowest possible cost. We ensure that we set proper procedures and processes in place so we can make that possible.



Marion Manufacturing was founded in August 1996 in Terre Haute, Indiana by the Marion family-Babe, Carole, Tim, Leonard, and Tammy. Marion Manufacturing has been a women-owned business since its inception.


In 2008, Marion Manufacturing expanded their Terre Haute distribution center with a 24,000-square-foot addition to house a new automated robotic work cell and computer-controlled lathes and mills.


After years of expansion and growth, Marion Manufacturing merged with Morton Machining in 2015, employing approximately 80 people.

Marion Today

Today, Marion Manufacturing employs over 130 people between their two locations and is an industry leader in high-precision CNC machining operations for Heavy Equipment, Fluid Systems, Energy, Agriculture, Department of Defense, and Aerospace Industries.

Tamara “Tammy” Marion serves as President and co-owner of Marion Manufacturing.

Marion Manufacturing was started by Babe, Carole, Tim, Leonard, and Tammy Marion in 1996 in a 22’ x 22’ garage. Marion Manufacturing is a high-precision CNC machining operation, providing components to the Heavy Equipment, Fluid Systems, Energy, Agriculture, Department of Defense, and Aerospace Industries. 

Tammy Marion began her career at Marion Manufacturing as the company’s General Manager in 2001. In 2007, Tammy became the company’s Six Sigma Deployment Champion-successfully deploying Six Sigma practices throughout the company.  Tammy acquired 34% of the company and assumed the role of President in 2008. Tammy has led the company through both ISO 9000 Certification, as well as AS9100 Aerospace Certification.  During her time at Marion Manufacturing, Tammy has led her team to successfully increasing sales from $150,000 annually to nearly $20 million.

Tammy is originally from Spencer, Indiana. She earned her Bachelor of Science Degree in Business Administration at Indiana State University and a Master’s in Organizational Leadership from St. Mary-of-the-Woods College. Tammy is a member of the American Society for Quality, National Association of Professional Women, and has served on the Indiana Advanced Aerospace Manufacturing Alliance. She is active in the community as a 4-H Leader, Member of Indiana Farm Bureau, as well as Parliamentarian Coach for the Local FFA Chapter.



Tammy Marion


Tim Marion

VP of Innovation and Technology

Leonard Marion

VP of Sales

Edward Ludlow

WTH Plant Manager

Kelsey Fulford

Director of Quality

Start typing and press Enter to search