Onecor Services
Heidi Johnson, CPA, is the Controller at OneCor Services, overseeing all financial aspects of the company. Prior to joining OneCor in 2018, she had worked in public accounting for 8 years. Heidi earned a bachelor’s degree in accounting from Minot State University. She is a member of the Williston Housing Authority board of directors and the Teton Booster Club.
Onecor Services
OneCor is the region’s leading provider of environmental services, weed control, as well as hydrochloric acid procurement and delivery.