American Fire Sprinkler Association - This site is an industry leader when it comes to education and training. This link goes to the Facts and Figures page. Click on the logo, top left, to go to their main home page.
Fire Suppression Systems - according to Wikipedia. This site offers lots of info on Fire Suppression, Sprinkler Systems. Definitions, Types of Systems, Codes and More.
National Fire Protection Association - News and Reasearch, Codes and Standards, Public Education, Training and Certifications, Solutions, including industrial hazards, building and life safety, emergency responders, electrical workplace safety.
IRC International Residential Codes - The International Residential Code is a comprehensive, stand-alone residential code that establishes minimum regulations for one and two-family dwellings and townhouses using prescriptive provisions.
First Response Fire Protection And Prevention Services recommends these product suppliers:
Rockford Chimney Supply - Chimney liners, stove pipes, caps and covers, fireplaces and stoves.
Paragon Supply - residential and commercial masonry products for firebrick, refractory cement.