Please call the main phone line for specific e-mail addresses and desk extensions.


Name Position
Doug Northup CEO
Ginny Northup Accounting and Office Manager
Sarah Northup Accounts Payable
Josh Northup Executive V.P. / Operations Manager
Steve Harden V.P. - Project Engineer / CAD Dept Head
Tom Rice V.P. - Product Engineer
Mark Thompson Purchasing / Quality Manager
Chad Coffinger Shop Foreman
Matt Wheelright CNC Dept. Head
Bob Stamper CAD / CAM Engineer
Ron Schmuhl CAD / CAM Engineer
Rob Peterson CAD Engineer


Questions pertaining to ongoing projects in the shop should be directed to your Project Engineer. Design related questions or project emergencies should be directed to Steve Harden. After normal business hours (8am to 5pm), please call 269-649-0113 to reach the shop floor.

In Memory

Our business operates in memory of our President, Adam Northup, and our Vice President, John McQueen who left to be with our Lord Jesus on August 28th, 2002.

Email Us »

Please email us with general inquiries.
PLEASE NOTE: We do not source work outside the United States, please DO NOT email such requests.

A&O Mold &
Engineering Inc

301 N 4th St, Vicksburg, MI 49097

P (269) 649-0600
F (269) 649-0625

Normal Business Hours
M-F 8:00 am to 5 pm