The only Group for the stone restoration guy

The Allied Stone Industries is made up of quarriers, fabricators, suppliers of natural building materials and related machinery & tools.

The American Geological Institute is a nonprofit federation of 44 geoscientific and professional associations

The AIA is the voice of the architectural profession and the resource for its members in service to society.

Granite, the earth's most plentiful and durable stone, finds new and surprising applications in a modern world millions of years

Founded in 1951, the Elberton Granite Association, Inc. is the largest trade association of granite quarriers and manufacturers

As the trade association which represents quarriers and fabricators of Indiana Limestone,

The International Masonry Institute offers quality training for craftworkers, professional education for masonry contractors

The Mason Contractors Association of America is the national trade association representing masonry contractors and suppliers in national legislative

This website is the best source for obtaining publications relating to masonry. Browse our Bookstore to see what's in stock.

Granite is one of the oldest, most durable and most respected of building materials. Traditionally, it is the material chosen

Organized and chartered in 1947, the National Tile Contractors Association (NTCA) is a non-profit trade association serving every segment of the indus

The Precast/Prestressed Concrete Institute is a unique organization of producers, suppliers and professionals.

he TTMAC was founded in 1944. It's mandate was to develop a method of standardizing terrazzo, tile and marble installation techniques

Established in 1945 as the Tile Council of America (TCA), the Tile Council was created with the sole purpose of expanding the ceramic tile

The mission of the Marble Institute of America is to promote the use of natural stone and be the world's most authoritative natural stone information

The SWI is a regional coalition of stone wall enthusiasts

The Preservation Trades Network (PTN) is a non-profit 501(c)3 membership organization incorporated as an education, networking, and outreach organizat

This is an international, non-commercial, information and contact resource for people who work with natural stone.

A story about the significant contribution of dry stone walls in the shaping of Australia’s cultural landscape

The Dry Stone Conservancy's mission is to preserve historic drystone structures, to advance the drystone masonry craft, and to create a center for tra