Central

Health care improvement network Premier Inc., in Charlotte, N.C., announced Friday it has awarded Somerville-based Ethicon Inc., a subsidiary of Johnson & Johnson, an agreement to provide anti-infection wound dressings to its network of hospitals, health systems and care providers.

Equity firm Littlejohn & Co. LLC, in Greenwich, Conn., announced Friday it has invested in hardware supplier Howard Berger Co., in Cranbury, to help it extend existing product lines and add new distribution channels.

South

Truckload services provider New Century Transportation Inc., in Westampton, announced Friday it closed on a long-term $104 million debt refinancing with Capital One Leverage Finance Corp. and Prospect Capital Corp. to expand its fleet upgrade program.