Local business owners interested into government and educational sector opportunities mark your calendars. Cobb County Government and Cobb School District are collaborating to present a seminar designed to demystify the process of becoming a vendor with local government and schools. According to an announcement on Cobb County’s official website, the “How to do Business with Cobb” seminar will take place next Thursday from 5:30 to 7:30 p.m. at the Senior Wellness Center located at 1150 Powder Springs Street, Marietta.