In first place with 12 commercials:
Walmart
702 SW 8th Street
Bentonville, AR 72716-8611
http://walmartstores.com/7663.aspx

In second place with 10 commercials:
Ford Motor Company
Customer Relationship Center
PO Box 6248
Dearborn, MI 48126
http://www.ford.com/about-ford/company-information/contact-ford

In third place with 7 commercials:
Lincoln Motor Company
PO Box 6218
Dearborn, MI 48121
http://www.lincoln.com/help/contact_us.asp

In fourth place with 6 commercials:
Macy's Corporate Marketing
151 West 34th St
New York, NY 10001
http://www.macysinc.com/contact/general.aspx

In fifth place:
Toyota
19001 South Western Ave
Dept. WC11
Torrance, CA 90501
http://toyota.custhelp.com/cgi-bin/toyota.cfg/php/enduser/ask_intercept.php

In sixth place:
JCPenney
PO Box 10001
Dallas, TX 75301-7311
http://www3.jcpenney.com/jcp/EmailUs.aspx?VID=&Email=

In seventh place:
Victoria's Secret
North American Office
PO Box 16589
Columbus, OH
43216-6589
http://www2.victoriassecret.com/html/custsrvc/contact/comments/?rfnbr=8678