employees, families and friends participate in Duluth’s dragon boat race each summer
people filter
back to company directory

William Mullinix

Vice President, Senior Mechanical Engineer

Profile Picture

For nearly two decades, William Mullinix has provided mechanical engineering services to power, oil sands, municipal, and university clients. As a project mechanical engineer, he completes preliminary and detailed designs, assists with procuring equipment, evaluates vendor proposals, calculates equipment sizing, determines code compliance, prepares equipment specifications, develops construction drawings, and performs system calculations. He also manages mechanical engineering projects ranging in size from small and straightforward to large and complex.


(734) 922-4423


Professional Engineer (AK, CO, IL, MI, MN, MT, ND, SD, WY)

service area lead

mechanical engineering
mechanical engineering


BS, Mechanical Engineering, Western Michigan University


Barr Engineering Co.
3005 Boardwalk Drive
Ann Arbor, MI 48108

Phone: 734-922-4400
Fax: 734-922-4401
Toll free: 800-632-2277