Construction Specification Institute (CSI) is a national association of commercial-level construction professionals dedicated ... to improving construction communication through: Developing standards & formats, including MasterFormat 2004 and GreenFormat - Certifying professionals who work with construction documentation - Offering continuing education for professionals affected by construction documentation CSI is unique in the industry in that its members are a cross section of architects, engineers, designers, specifiers, contractors, owners, facility managers, building materials suppliers, and others who are touched by construction documentation. read more