The Sheffield based health insurance company brings good news to the club and will sponsor the 2,000 capacity stand until 2009.
"I am delighted Westfield Health has given their support by sponsoring the new corner stand. Said Andy Daykin, Sheffield United's commercial manager
"Westfield is a leading national company, which has won countless awards for its services to the public and it is a great honour for Sheffield United to develop our partnership with such a prestigious and respected organisation."
Westfield Chairman Graham Moore added: "It is excellent news for the city to have one of Sheffield's football clubs returning to the Premiership. We are therefore very pleased to support the Blades in their new Premiership season."
Westfield now join Hallam FM, Golbal Windows, Gordon Lamb, Streetwise and HFs Loans in sponsoring the stands at Bramall Lane with Capital One taking over as shirt sponsors after buying out Macclesfield finance company HFs Loans.