Nielsen Holdings Is Said to Seek Buyers for Trade-Show Business

Nielsen Holdings NV, the biggest provider of U.S. television ratings, plans to sell its conferences unit, according to people familiar with the situation.

The company is working with Credit Suisse Group AG to seek buyers for Nielsen Expositions, which organizes trade shows in industries including sports and health care, to focus on its core audience measurement business, said the people, who sought anonymity because the deliberations are private.