MEMPHIS — Concord EFS Inc. has won a contract from Wal-Mart Stores Inc. to process online debit transactions for Wal-Mart and Sam’s Club stores nationwide, the electronic funds transfer company announced Monday.

Concord, which already processes Wal-Mart payments made with electronic benefits transfer cards, said it will route a portion of Wal-Mart’s online debit volume to its networks for authorization. Concord owns the MAC network and is acquiring Star Systems Inc. of Maitland, Fla., the nation’s largest regional network.

Subscribe Now

Access to authoritative analysis and perspective and our data-driven report series.

14-Day Free Trial

No credit card required. Complete access to articles, breaking news and industry data.