The Columbia Business Exchange offers three unique membership packages for its members. Giving you the ability to experience CBX has never been easier. Join us today to see the best that Howard County Businesses have to offer!. Please note that our sponsorships are designated to specific individuals. If you have a partner in your business, you can decide which person would be designated as the member/sponsor with the sponsor benefits for that year. You could also both join or opt for the Corporate Sponsorship which would allow anyone in the company to attend with benefits.