The following product sources and environmentally-focused services are provided by alumni of one or both of IBE's certification programs. Their products and services are however their own responsibilities, and are in no way provided, sold, endorsed, or guaranteed by the Institute for Bau-biologie® & Ecology.

All of the Environmental Consultants listed herein are graduates of our Building Biology Environmental Consultant certification program; all of the providers listed under Architects and Builders and/or Products and Stores are certified graduates of either our Building Biology Environmental Consultant program or our Building Biology Practitioner program.