From Muppet Wiki

Macy's is a chain of American department stores, founded in 1858. The flagship store is located in Herald Square, New York City, billed as the "world's largest store." In addition to two other flagship stores in San Francisco and Chicago, the company has recently used its name on a number of smaller retail stores across the country.

Macy's is particularly known for its annual Thanksgiving Day Parade, whose route begins at the flagship store in Herald Square. Over the decades, the Muppets have been among the many pop-culture figures to be depicted in balloon form or to appear atop floats.

The Herald Square store itself has also featured a variety of decorative themed window displays over the years, including several muppet displays. The flagship store was also the exclusive retailer for Nanco Muppets' Wizard of Oz Plush.

In 2002 coinciding with the unveiling of the new Kermit balloon in the Thanksgiving Day Parade, Macy's stores sold exclusive Kermit snowglobes, Christmas ornaments and a special talking Kermit the Frog doll with working Muppet camera. [1]

For Earth Day 2008, Macy's and Sesame Workshop announced there were supporting GreeNYC, with a line of products and meet and greet with Oscar the Grouch and Caroll Spinney.