One of Honda’s largest North American suppliers is expanding its Central Ohio operations. Jefferson Industries Corp., JobsOhio and One Columbus (known until recently as Columbus 2020) Wednesday announced a $10.8 million expansion expected to add 150 new jobs to the 600 workers already employed at Jefferson Industries. The more than 1.1-million-square-foot manufacturing facility, which makes auto body components for Honda and others, will get a 77,000-square-foot addition, bringing it to nearly 1.2 million square feet.