Construction Green Book (CGB) is a well respected nationwide green building and green construction directory. CGB provides resources and information about all aspects of green building and construction, sustainable development and renewable energy. From the planning and design process, through construction and post-construction phases, this green building directory is a valuable resource aimed at helping consumers make greener building choices.

The CGB green building directory includes information related to construction professionals, service providers, and building material suppliers that are dedicated to environmentally friendly building practices. Companies that offer green building products and services are invited to include a listing about their business in the CGB green building directory. The goal of Construction Green Book is to help build a greener tomorrow by focusing on environmentally responsible building