About us. Motor Supply Inc is a small business in Columbia, SC and our goal is to change the trucking industry through the development and utilization of new technologies. Job Opening: Fleet Operations Manager. Location. Columbia, SC or Charlotte, NC (candidate’s choice). Type. Full-time, W-2. Salary Range. $75,000-$100,000. Company Overview. Join a dynamic and growing transportation and technology company with a fleet of 30 trucks. Established i...