Info in included at bottom but I wanted you to know that
I actually wrote an article about how to file a successful complaint with Walmart. Ill include that link too. Walmart sent me a 50 buck gift card to smooth over my issue when I followed these guidelines listed in the article. Hope this helps you out and good luck with your complaint and getting it resolved.
Tips and Suggestions for Filing a Successful Complaint with Walmart
http://www.associatedcontent.com/article/394091/tips_and_suggestions_for_filing_a_successful.html
Contact info for Walmart:
To reach the Contact Center of Wal-Mart Stores, call 1-800-WALMART (1-800-925-6278), from 7 a.m. to 9 p.m. (CT) Monday - Friday, from 9 a.m. to 9 p.m. (CT) Saturday or from 12 p.m. to 6 p.m. (CT) Sunday.
or the mailing address is...
Wal-Mart Stores, Inc.
Attn: Customer Service
702 S.W. 8th Street
Bentonville, AR 72716
Or email your complaint as I did. Use this link,
http://walmartstores.com/GlobalWMStoresWeb/navigate.do?catg=221