National Insulation Association
The National Insulation Association is a trade association that works with people in the insulation industry. Their website has a number of helpful resources including their Techs & Specs section.
International Firestop Council
The International Firestop Council is an association of manufacturers, distributors, and installers of passive fire protection products like firestopping and fireblocking. Their website, firestop.org has a number of general articles, webinars, and technical information. We suggest you start with their technical library.
Firestop Contractors International Association
The Firestop Contractors International Association (FCIA) is an association of organizations that work to improve the design, installation, inspection, and maintenance of firestopping products and systems. Their website provides some helpful technical resources as well as suggested 07 84 00 specifications.