Do you mean the “Masons”? It looks as though the Masonic Lodge in Mexico has closed. Try some Google links. I found it a little confusing. My father was a Mason and very secretive about it. He asked to be buried in his Masonic apron, which he was.

Here’s one; http://en.wikipedia.org/wiki/Masonic_Lodge

“Masonry” is generally the craft of stonework.