Hawthorne Business Expo is South bays BIGGEST Business to Business Trade Show & Conference Event for Small Business Owners, Entrepreneurs, Start-Ups and anyone that has a business in Hawthorne or the South bay or who is inspired to start their own Business. It’s a FREE one-day event hosted by the City of Hawthorne where Local Business Owners will connect, network with vendors in various industries, and learn from the best in business about how to solve their most pressing business issues.